item: #1 of 222 id: geusb-4218 author: Christiansen, Flemming G. title: Review of Survey activities 2018 date: 2019-08-07 words: 1546 flesch: 44 summary: Our strong focus on climate change and climate adapta- tion is ref lected in several papers. GEUS Bulletin is free to individuals and institutions in electronic form. keywords: data; denmark; geus; greenland; paper cache: geusb-4218.pdf plain text: geusb-4218.txt item: #2 of 222 id: geusb-4220 author: Colgan, William; Box, Jason E.; Ribeiro, Sofia; Kjeldsen, Kristian K. title: Sea-level rise in Denmark: Bridging local reconstructions and global projections date: 2019-07-01 words: 3246 flesch: 59 summary: Here, we highlight the value of combining palaeo recon- structions of sea level, the measured tide gauge record, and projections of future sea level. The dating of raised beach sequences, wind-blown sand deposits, and salt-marsh sediments has permitted sea level to be reconstructed since the last glaciation at Skagen (Hauer- bach 1992; Clemmensen et al. 2001) and Esbjerg (Gehrels et al. 2006; Szkornik et al. 2008). keywords: global; ice; land; level; rise; sea cache: geusb-4220.pdf plain text: geusb-4220.txt item: #3 of 222 id: geusb-4221 author: Knudsen, Christian; Sønderholm, Martin; Heijboer, Tjerk; Kristensen, Jeppe Å.; Bering, Dag title: The North Atlantic Provenance Database: an introduction date: 2019-07-22 words: 2575 flesch: 56 summary: Outlook Compiling the large amount of available provenance data into a regional, cross-border, web-database will make these types of data much more accessible and applicable to indus- try and the research community. It consists of two main packages: • A database for storage of: – Detrital zircon age data and other types of provenance data – Metadata with information about the samples and the analytical procedure used • An analytical module allowing users to compile, compare and analyse the datasets. keywords: age; database; detrital; fig; greenland; provenance; samples cache: geusb-4221.pdf plain text: geusb-4221.txt item: #4 of 222 id: geusb-4224 author: None title: Characterising brines in deep Mesozoic sandstone reservoirs, Denmark date: None words: 2718 flesch: 58 summary: We have classified the brines into brine types, which are shown to be related to their depositional environment, depth, geological formation and geographical domains. 2.  Stratigraphy of reservoirs and location of brine types. keywords: brine; fig; formation; ppm; reservoirs; sandstone; table; type cache: geusb-4224.htm plain text: geusb-4224.txt item: #5 of 222 id: geusb-4276 author: Colgan, William ; Mankoff, Kenneth D. ; Kjeldsen, Kristian K. ; Bjørk, Anders A. ; Box, Jason E. ; Simonsen, Sebastian B. ; Sørensen, Louise S. ; Khan, S. Abbas ; Solgaard, Anne M. ; Forsberg, Rene ; Skourup, Henriette ; Stenseng, Lars ; Kristensen, Steen S. ; Hvidegaard, Sine M. ; Citterio, Michele ; Karlsson, Nanna ; Fettweis, Xavier ; Ahlstrøm, Andreas P. ; Andersen, Signe B. ; van As, Dirk ; Fausto, Robert S. title: Greenland ice sheet mass balance assessed by PROMICE (1995–2015) date: 2019-07-08 words: 3674 flesch: 58 summary: Greenland ice sheet mass balance assessed by PROMICE (1995–2015). Combining our estimate of ice-sheet mass loss with a previous estimate of peripheral glacier mass loss yields a total Greenland ice loss (ice sheet plus peripheral Fig. keywords: balance; greenland; ice; mass; perimeter; promice; sheet; surface cache: geusb-4276.pdf plain text: geusb-4276.txt item: #6 of 222 id: geusb-4295 author: Bennike, Ole ; Nørgaard-Pedersen, Niels ; Jensen, Jørn Bo title: The channels in Storebælt, Denmark: implications of new radiocarbon ages date: 2019-06-24 words: 2544 flesch: 65 summary: Here we report on some new ages of macrofossils from late glacial deposits in the Storebælt channels. Two of the new cores from Storebælt contained remains of plants that are typical of late glacial deposits from Denmark. keywords: channels; denmark; deposits; glacial; sand; storebælt; years cache: geusb-4295.pdf plain text: geusb-4295.txt item: #7 of 222 id: geusb-4296 author: Andersen, Jonas K. ; Fausto, Robert S. ; Hansen, Karina ; Box, Jason E. ; Andersen, Signe B. ; Ahlstrøm, Andreas P. ; van As, Dirk ; Citterio, Michele ; Colgan, William ; Karlsson, Nanna B. ; Kjeldsen, Kristian K. ; Korsgaard, Niels J. ; Larsen, Signe H. ; Mankoff, Kenneth D. ; Pedersen, Allan Ø. ; Shields, Christopher L. ; Solgaard, Anne ; Vandecrux, Baptiste title: Update of annual calving front lines for 47 marine terminating outlet glaciers in Greenland (1999–2018) date: 2019-06-26 words: 4130 flesch: 58 summary: The period 2007–2012 un- derwent a rapid loss of glacier area, compared to 2013–2018, in which glacier area was relatively stable, associated with a small area change. https://doi.org/10.34194/GEUSB-201943-02-02 e2019430202-02 the data set, in which we estimate area changes for this group of glaciers since 1999. keywords: area; calving; change; data; glaciers; greenland; ice; images; line; outlet; sermia cache: geusb-4296.pdf plain text: geusb-4296.txt item: #8 of 222 id: geusb-4302 author: Svennevig, Kristian ; Munck Solgaard, Anne ; Salehi, Sara ; Dahl-Jensen, Trine ; Merryman Boncori, John Peter ; Larsen, Tine B. ; Voss, Peter H. title: A multidisciplinary approach to landslide monitoring in the Arctic: Case study of the March 2018 ML 1.9 seismic event near the Karrat 2017 landslide date: 2019-07-01 words: 3437 flesch: 53 summary: For smaller landslide events (e.g. events without catastrophic failure and rock avalanche activity), the dura- tion will be shorter and the amplitude smaller, and it may be difficult to distinguish them with seismic data alone from other non-tectonic seismic sources, e.g. signals generated by moving sea ice or glaciers. Seismic events The present Greenland Ice Sheet Monitoring Network (GLISN) of seismographs consists of 21 stations, situated about 200 km or more apart (Clinton et al. 2014). keywords: area; event; fig; greenland; images; karrat; landslide; march cache: geusb-4302.pdf plain text: geusb-4302.txt item: #9 of 222 id: geusb-4305 author: Clausen, Rune J. ; Kalvig, Per ; Nedenskov, Jonas title: Characterisation of incinerator bottom ash from a Danish waste-to-energy plant: a step towards closing the material cycle date: 2019-12-20 words: 3135 flesch: 52 summary: But this is neither possible nor meaningful for IBA material for the following reasons: 1. The technical challenge: Homogenisation by means of crushing and milling of IBA material is expensive, if not impossible, due to the content of ductile metal frag- ments. keywords: amager; bakke; fragments; iba; material; metal; non; waste cache: geusb-4305.pdf plain text: geusb-4305.txt item: #10 of 222 id: geusb-4306 author: A. Bojesen-Koefoed, Jørgen title: Colophon, contents, preface date: 2018-12-28 words: 1095 flesch: 40 summary: Geological Survey of Denmark and Greenland Bulletin 42, 2018, 1-5 Petroleum geology of the Upper Jurassic – Lower Cretaceous of East and North-East Greenland: Blokelv-1 borehole, Jameson Land Basin Edited by Jon R. Ineson and Jørgen A. Bojesen-Koefoed GEOLOGIC AL SURVEY OF DENMARK AND GREENLAND MINISTRY OF ENERGY, UTILITIES AND CLIMATE GEOLOGICAL SURVEY OF DENMARK AND GREENLAND BULLETIN 42 • 2018 22 Geological Survey of Denmark and Greenland Bulletin 42 Keywords Jameson Land, central East Greenland, Blokelv-1, borehole, petroleum geolog y Cover Recovery of the excellent Blokelv-1 core, on which this bulletin is based, was thanks to the professional expertise of the drilling team (Faxe Kalk A/S, GEUS), depicted here erecting the drilling rig. 133 Late Jurassic evolution of the Jameson Land Basin, East Greenland – implications of the Blokelv-1 borehole Morten Bjerager, Peter Alsen, Jørgen A. Bojesen-Koefoed, Tove Nielsen, Stefan Piasecki and Anders Pilgaard ............................................................................................................................................. 149 5 Preface This bulletin presents a series of nine papers dealing with the succession of Upper Jurassic – Lower Creta- ceous sedimentary rocks penetrated by the fully cored Blokelv-1 borehole, drilled in western Jameson Land, central East Greenland in August 2008. keywords: blokelv-1; east; greenland; jameson; jurassic cache: geusb-4306.pdf plain text: geusb-4306.txt item: #11 of 222 id: geusb-4317 author: Olivarius, Mette ; Bjerager, Morten ; Keulen, Nynke ; Knudsen, Christian ; Kokfelt, Thomas F. title: Provenance of basinal sandstones in the Upper Jurassic Hareelv Formation, Jameson Land Basin, East Greenland date: 2018-12-28 words: 7506 flesch: 58 summary: The zircon ages of the Archaean and Palaeoprotero- zoic basement complexes in East Greenland correspond largely to two of the oldest age populations recorded in the Hareelv Formation with peak ages of 2.71 and 1.95 Ga (Fig. 7). Geological Survey of Denmark and Greenland Bulletin 42, 2018, 115-126 115 Provenance of basinal sandstones in the Upper Jurassic Hareelv Formation, Jameson Land Basin, East Greenland Mette Olivarius, Morten Bjerager, Nynke Keulen, Christian Knudsen and Thomas F. Kokfelt Zircon U–Pb geochronolog y and heavy mineral CCSEM analysis were used to interpret the provenance of Oxfordian–Volgian sandstones of the Hareelv Formation in East Greenland. keywords: age; ages; basin; east; east greenland; fig; formation; greenland; hareelv; heavy; jameson; jurassic; samples; sediments; zircon cache: geusb-4317.pdf plain text: geusb-4317.txt item: #12 of 222 id: geusb-4323 author: Larsen, Lotte M title: Igneous intrusions in the cored Upper Jurassic succession of the Blokelv-1 borehole, Jameson Land Basin, East Greenland date: 2018-12-28 words: 2949 flesch: 72 summary: Composition and age of Tertiary sills and dykes, Jameson Land Basin, East Greenland: relation to re- gional flood volcanism. N Igtertivâ Fm lavas Skrænterne Fm lavas NE Greenland sills and dykes Jameson Land sills and dykes Blokelv intrusions, Jameson Land 55–51 Ma 49–44 Ma LML 4 Fig. 4. keywords: east; greenland; intrusions; jameson; sills cache: geusb-4323.pdf plain text: geusb-4323.txt item: #13 of 222 id: geusb-4324 author: Green, Paul F. ; Japsen, Peter title: Burial and exhumation history of the Jameson Land Basin, East Greenland, estimated from thermochronological data from the Blokelv-1 core date: 2018-12-28 words: 9146 flesch: 60 summary: Keywords: East Greenland, Jameson Land, Upper Jurassic, apatite fission-track analysis, burial, exhumation ___________________________________________________________________________ P.F.G., Geotrack International, 37 Melville Road, Brunswick West, Victoria 3055, Australia. E-mail: mail@geotrack.com.au P.J., Geological Survey of Denmark and Greenland, Øster Voldgade 10, DK-1350 Copenhagen K, Denmark With sedimentary basins offshore East Greenland yet to be drilled, the onshore Jameson Land Basin (Surlyk 2003) provides a window into the nature of potential Jurassic source-rock sequences in offshore basins. Geological Survey of Denmark and Greenland Bulletin 42, 2018, 133-147 133 Burial and exhumation history of the Jameson Land Basin, East Greenland, estimated from thermo- chronological data from the Blokelv-1 core Paul F. Green and Peter Japsen Apatite fission-track analysis (AFTA) data in two Upper Jurassic core samples from the 231 m deep Blokelv-1 borehole, Jameson Land, East Greenland, combined with vitrinite reflectance data and regional AFTA data, define three palaeo-thermal episodes. keywords: afta; data; east; eocene; et al; greenland; jameson; land cache: geusb-4324.pdf plain text: geusb-4324.txt item: #14 of 222 id: geusb-4329 author: Christiansen, Flemming G. title: Review of Survey activities: Colophon, contents, introduction date: 2018-08-15 words: 2720 flesch: 40 summary: One paper discusses the implications of a new 1:100 000 map from Kilen in North Greenland for the seamless 1:500 000 regional map of Greenland. 1 GEOLOGICAL SURVEY OF DENMARK AND GREENLAND BULLETIN 41 • 2018 Review of Survey activities 2017 Edited by Adam A. Garde, Ole Bennike and W. Stuart Watt GEOLOGICAL SURVEY OF DENMARK AND GREENLAND DANISH MINISTRY OF ENERGY, UTILITIES AND CLIMATE 22 Geological Survey of Denmark and Greenland Bulletin 41 Key words Geological Survey of Denmark and Greenland, survey organisations, current research, Denmark, Greenland. keywords: activities; climate; data; denmark; geus; greenland; ice; mapping; paper; pedersen; survey cache: geusb-4329.pdf plain text: geusb-4329.txt item: #15 of 222 id: geusb-4330 author: Pedersen, Simone ; Weibel, Rikke ; Johannessen, Peter N. ; Schovsbo, Niels H. title: Diagenetic impact on reservoir sandstones of the Heno Formation in the Ravn-3 well, Danish Central Graben date: 2018-08-15 words: 2628 flesch: 57 summary: When microcrystalline quartz does not fully cover detrital quartz, it cannot inhibit precipitation of quartz overgrowth (Aase et al. 1996; Illite fibres alternate with quartz overgrowths, and are at times enclosed in quartz overgrowth (Fig. 3D). keywords: fig; illite; microcrystalline; permeability; porosity; quartz; ravn-3; sandstones cache: geusb-4330.pdf plain text: geusb-4330.txt item: #16 of 222 id: geusb-4331 author: Leth Hjuler, Morten ; Sparre Andersen, Morten ; Møller Nielsen, Carsten ; Mathiesen, Anders ; Kristensen, Lars ; Skaarup, Nina ; Nielsen, Lars Henrik title: Potential for brine storage near the gas storage facility at Lille Torup, northern Jylland, Denmark date: 2018-08-15 words: 2663 flesch: 61 summary: 3. WebGIS-generated maps of potential brine storage formations in the study area. Due to cost considerations, the brine storage should be situated within a radius of 50 km of the gas storage facility and at a depth not exceeding 2000 m. Based on the national geothermal research conducted during the last decade, a number of sandy formations are considered potential storage reservoirs (Fig. 2; e.g. Mathiesen et al. 2009; Vosgerau et al. 2016). keywords: formation; g-1; ho-1; k-1; m-1; potential; reservoir; storage cache: geusb-4331.pdf plain text: geusb-4331.txt item: #17 of 222 id: geusb-4332 author: Henningsen, Lucy Malou ; Høimann Jensen, Christian ; Hemmingsen Schovsbo, Niels ; Thorshøj Nielsen, Arne ; Krarup Pedersen, Gunver title: Shale fabric and organic nanoporosity in lower Palaeozoic shales, Bornholm, Denmark date: 2018-08-15 words: 2656 flesch: 61 summary: Here we present the first description of shale fabric and pore types in the lower Palaeozoic shales on Bornholm, Denmark. A clear relationship between shale fabric and organic nanoporosity has been ob- served in the lower Palaeozoic shales and this indicates that shale composition, depositional environment, and diagenesis have all inf luenced the porosity development. keywords: denmark; fabric; fig; mudstone; pores; porosity; shale cache: geusb-4332.pdf plain text: geusb-4332.txt item: #18 of 222 id: geusb-4334 author: Skovsø Andersen, Cecilie ; Jakobsen, Peter Roll title: Sedimentological and glaciotectonic interpretation of georadar data from the margin of the Vig ice-push ridge, NW Sjælland, Denmark date: 2018-08-15 words: 2539 flesch: 59 summary: In radar facies 4 (Fig. 2) the ref lection pattern can be described as continuous, parallel and diverging with a high density of downlaps and onlaps in the crests between ridges. A: Ridge formed by thrusting, and subsequently smoothened by radar facies 3 and 4. B: Rela- tionship between radar facies 1, 2 and 4. 2828 and bedding indicate a direction of primary deformational stress from the east. keywords: facies; fig; ice; radar; ridges cache: geusb-4334.pdf plain text: geusb-4334.txt item: #19 of 222 id: geusb-4338 author: Rosa, Diogo ; Slack, John F. ; Falck, Hendrik title: Base-metal and REE anomalies in lower Palaeozoic sedimentary rocks of Amundsen Land, central North Greenland: implications for Zn-Pb potential date: 2018-08-15 words: 3128 flesch: 51 summary: In the model of Slack et al. (2015), this deposit formed predominantly by exhalative processes. Field of samples host- ing the Citronen Fjord deposit are included (Slack et al. 2015), for compari- son; note that small positive Eu anomalies for these samples (1.16-1.29) are not evident due to overlapping patterns. keywords: amundsen; greenland; land; mudstone; rocks; samples cache: geusb-4338.pdf plain text: geusb-4338.txt item: #20 of 222 id: geusb-4341 author: Salehi, Sara title: Hyperspectral analysis of lithologies in the Arctic in areas with abundant lichen cover date: 2018-08-15 words: 2330 flesch: 50 summary: Open access: www.geus.dk/bulletin http://www.geus.dk/bulletin 5252 cover effects on mineral absorption features, this study high- lights the importance cautious interpretation in areas char- acterised by abundant, lichen-covered outcrops. These end members are then sorted based on expert knowledge of known spectral features (water, snow, vegetation, lichen and geological materials) followed by a more detailed sorting into individual classes within each category. keywords: absorption; data; features; geological; hyperspectral; lichen; rock cache: geusb-4341.pdf plain text: geusb-4341.txt item: #21 of 222 id: geusb-4346 author: and the PROMICE team*, Robert S. Fausto title: The Greenland ice sheet – snowline elevations at the end of the melt seasons from 2000 to 2017 date: 2018-08-15 words: 2501 flesch: 61 summary: Greenland ice sheet melt area from MODIS (2000–2014). Greenland ice sheet: contribution to the Arctic Report Card 2017. keywords: greenland; ice; melt; modis; promice; sheet; snowline; surface cache: geusb-4346.pdf plain text: geusb-4346.txt item: #22 of 222 id: geusb-4347 author: Colgan, William ; Pedersen, Allan ; Binder, Daniel ; Machguth, Horst ; Abermann, Jakob ; Jayred, Mike title: Initial field activities of the Camp Century Climate Monitoring Programme in Greenland date: 2018-08-15 words: 2388 flesch: 57 summary: Camp Century evolution of concept and history of de- sign, construction and performance. Overview of initial field activities at Camp Century. keywords: camp; century; climate; debris; field; firn; greenland; ice cache: geusb-4347.pdf plain text: geusb-4347.txt item: #23 of 222 id: geusb-4348 author: Sandberg Sørensen, Louise ; Simonsen, Sebastian B. ; Forsberg, René ; Stenseng, Lars ; Skourup, Henriette ; Savstrup Kristensen, Steen ; Colgan, William title: Circum-Greenland, ice-thickness measurements collected during PROMICE airborne surveys in 2007, 2011 and 2015 date: 2018-08-15 words: 2606 flesch: 64 summary: Histograms showing the errors of the BedMachine bed topography grid in all the points where PROMICE bedrock elevation data are avail- able. All three surveys were planned to be carried out in Au- gust, as this timing represents the end of the melt season and ensures that the changes observed in surface elevations are not affected by individual accumulation events. keywords: data; elevation; greenland; ice cache: geusb-4348.pdf plain text: geusb-4348.txt item: #24 of 222 id: geusb-4349 author: Hallé, Danielle A.M. ; Karlsson, Nanna B. ; Munck Solgaard, Anne ; Andresen, Camilla S. title: Observationally constrained reconstruction of 19th to mid-20th century sea-ice extent off eastern Greenland date: 2018-08-15 words: 2949 flesch: 73 summary: This information is a valuable contribution to better understand the history of sea ice. We digitised the maps for the months in those years that con- tained sea ice. keywords: extent; ice; iceland; maps; probability; sea cache: geusb-4349.pdf plain text: geusb-4349.txt item: #25 of 222 id: geusb-4350 author: Kalvig, Per ; Machacek, Erika title: Examining the rare-earth elements (REE) supply– demand balance for future global wind power scenarios date: 2018-08-15 words: 2815 flesch: 63 summary: Tb Dy Pr Nd Tb Dy Pr Nd Tb Dy 2016 2020 2030 Tb Dy Pr Nd Tb Dy Pr Nd Tb Dy 0 0 keywords: global; ree; supply; wind cache: geusb-4350.pdf plain text: geusb-4350.txt item: #26 of 222 id: geusb-4351 author: Serre, Simon Hansen; Ege Nielsen, Kristian ; Fink-Jensen, Peter ; Thomsen, Tonny Bernt ; Hüssy, Karin title: Analysis of cod otolith microchemistry by continuous line transects using LA-ICP-MS date: 2018-08-15 words: 3053 flesch: 56 summary: Molecular structure and composition of fish otoliths. In situ analysis of trace elements and isotope ratios in fish otoliths using laser ablation sector field induc- tively coupled plasma mass spectrometry. keywords: analysis; cod; element; fig; fish; icpms; line; otolith cache: geusb-4351.pdf plain text: geusb-4351.txt item: #27 of 222 id: geusb-4352 author: Tulstrup, Jørgen ; Pedersen, Mikael title: Towards a common geological data infrastructure for Europe date: 2018-08-15 words: 2673 flesch: 49 summary: A number of datasets from past European projects are included and made available through a common web portal (www.europe-geology.eu; Fig. 2), which was to a large extent developed by GEUS. Simultaneously with these raw materials projects, a num- ber of other European data harmonisation projects were carried out within other EGS research areas such as ground- water, energy, geohazards and soil. keywords: data; egdi; egs; european; geoer; geological; projects cache: geusb-4352.pdf plain text: geusb-4352.txt item: #28 of 222 id: geusb-4390 author: Nilsson, Bertel; Lajer Højberg, Anker; Jensen, Per title: Nitrate transport pathways in riparian zones of the Hagens Møllebæk catchment, northern Denmark date: 2017-07-31 words: 2577 flesch: 54 summary: No or limited groundwater–stream interactions were found at stations 2–4, 6 and 15, while some or signifi- cant groundwater–stream interaction is expected to occur at stations 1 and 8–14 between the stream system and an •••••• • • • • • • • • • 2 km 2 km 0–5 10–25 < 0 5–10 Hagens M øllebæ k •••••• • • • • • • • • • 9 8 7 6 5 4 2 1 14 13 12 10 3 15 11 •••••• • • • • • • • • • 9 8 7 6 5 4 2 1 14 13 12 10 3 15 11 2 km • Intensive• Extensive Local Regional 10–25 5–10 0–5 < 0 L/sec/km Stream with moni- toring station Hagens Møllebæk catchment Monitoring station Groundwater aquifers Local and regional aquifersLocal and regional aquifers August 2016 October 2016 January 2017 25 mg/L 0 Nitrate in stream water (mg/L)Specific baseflow in August 2016Specific baseflow in August 2016 Nitrate in stream water (mg/L) Nitrate concentrations in stream water sampled in August and October 2016 and in January 2017. 2020 underlying sandy aquifer of local or regional extent. keywords: fig; groundwater; hagens; nitrate; riparian; stream; water cache: geusb-4390.pdf plain text: geusb-4390.txt item: #29 of 222 id: geusb-4393 author: Vosgerau, Henrik; Gregersen, Ulrik ; Kristensen, Lars; Lindström, Sofie ; Mathiesen, Anders; Nielsen, Carsten M.; Olivarius, Mette; Nielsen, Lars Henrik title: Towards a geothermal exploration well in the Gassum Formation in Copenhagen date: 2017-07-31 words: 2977 flesch: 43 summary: Thereby our knowledge of the Danish subsurface and the reservoir properties of deep geothermal sandstones has considerably increased, and fundamental uncertainties regarding subsurface structures and resources have been re- duced. Furthermore, a new well will make it possible to compare existing core data (including direct porosity and permeability measurements) with petrophysical log data and hydraulic test data from intervals of penetrated reservoir sandstone, and will thus provide a unique pos- sibility to verify to what extent traditional petrophysical log data can be used to estimate the reservoir properties of geothermal sandstones. keywords: areas; data; formation; gassum; geothermal; reservoir; wells cache: geusb-4393.pdf plain text: geusb-4393.txt item: #30 of 222 id: geusb-4394 author: Hjuler, Morten Leth ; Kristensen, Lars title: Pre-drilling geothermal assessment of porosity and permeability of the Bunter Sandstone Formation, onshore Denmark date: 2017-07-31 words: 2827 flesch: 53 summary: Step 4: Local permeability model. Local permeability models (step 4) for the Bunter Sandstone For- mation in the Tønder and Stenlille areas. keywords: formation; model; permeability; porosity; sandstone; step cache: geusb-4394.pdf plain text: geusb-4394.txt item: #31 of 222 id: geusb-4395 author: Hemmingsen Schovsbo, Niels ; Thorshøj Nielsen, Arne title: Generation and origin of natural gas in Lower Palaeozoic shales from southern Sweden date: 2017-07-31 words: 2658 flesch: 63 summary: From shale oil to biogenic shale gas: retracing organic-inorgan- ic interactions in the Alum Shale (Furongian-Lower Ordovician) in southern Sweden. Geological Survey of Denmark and Greenland Bulletin 38, 2017, 37-40 37 The Lower Palaeozoic succession in Scandinavia includes several excellent marine source rocks notably the Alum Shale, the Dicellograptus shale and the Rastrites Shale that have been targets for shale gas exploration since 2008. keywords: alum; fig; gas; isotope; samples; shale; sweden cache: geusb-4395.pdf plain text: geusb-4395.txt item: #32 of 222 id: geusb-4398 author: Christiansen, Flemming G. title: Colophon, contents, preface date: 2016-07-15 words: 2855 flesch: 43 summary: In situ fractionation and inward migration of the solidifi cation front in the Skaergaard intrusion, East Greenland T.F.D. Nielsen 63 Palaeovalleys at the basal unconformity of the Palaeoproterozoic Karrat Group, West Greenland P. Guarnieri, C.A. Partin and D. Rosa 67 Investigations of past climate and sea-ice variability in the fj ord area by Station Nord, eastern North Greenland N. Nørgaard-Pedersen, S. Ribeiro, N. Mikkelsen, A. Limoges and M.-S. Seidenkrantz 71 Placing Greenland ice sheet ablation measurements in a multi-decadal context D. van The last paper on Greenland bedrock geology describes Palaeoproterozoic palaeovalleys underlying the Karrat Group in the Uum- mannaq region of West Greenland, where new field activ- ity has started. Studies and monitoring of the Greenland ice sheet and studies of marine sediments in the fjords around Green- land result in important contributions from GEUS to global climate models. keywords: activities; climate; data; denmark; energy; geus; greenland; paper; projects; studies; survey cache: geusb-4398.pdf plain text: geusb-4398.txt item: #33 of 222 id: geusb-4399 author: Roll Jakobsen, Peter ; Skovbjerg Rasmussen, Erik ; Dybkjær, Karen ; Kidmose, Jacob title: Miocene deposits at Silkeborg, Jylland, and their influence on hydrology date: 2016-07-15 words: 2039 flesch: 62 summary: The floor of the Gudenå valley is covered by c. 15 m thick glacioflu- vial deposits, which rest on Miocene deposits. DGU 87.907 49 m of Miocene deposits belonging to the Vejle Fjord Formation are recorded, consisting primar- ily of marine clay with minor occurrences of sandy deposits. keywords: cross; deposits; fig; miocene; sand; silkeborg cache: geusb-4399.pdf plain text: geusb-4399.txt item: #34 of 222 id: geusb-4400 author: Mielby, Susie ; Martlev Pallesen, Tom ; Sandersen, Peter B.E. title: 3D hydrogeological modelling for urban subsurface management in Odense, Denmark date: 2016-07-15 words: 2138 flesch: 49 summary: Detailed recommen- dations and experience from the current project (Mielby et al. 2015b), urban data modelling tools in GeoScene3D and data storage facilities for geotechnical information in the Jupiter database (Hansen et al. 2015) are available for the benefit of other areas. In order to manage both challenges and opportunities of the ground beneath the cities there is a growing need for 3D hydrogeological models that can en- compass all relevant parts of the physical subsurface system and act as operational tools in its management. keywords: data; model; odense; subsurface cache: geusb-4400.pdf plain text: geusb-4400.txt item: #35 of 222 id: geusb-4408 author: Hjuler, Morten L.; Schovsbo, Niels H.; Pedersen, Gunver K.; Hopper, John R. title: Potential hydrocarbon reservoirs of Albian–Paleocene age in the Nuussuaq Basin, West Greenland date: 2017-07-31 words: 2574 flesch: 57 summary: Geological Survey of Denmark and Greenland Bulletin 38, 2017, 49-52 49 The onshore Nuussuaq Basin in West Greenland is impor- tant for hydrocarbon exploration since many of the key pe- troleum systems components are well exposed and accessible for study. Conclusions The onshore Nuussuaq Basin in West Greenland contains potential hydrocarbon reservoirs within the siliciclastic Atane, Itilli, Kangilia and Agatdal formations, and within the hyaloclastite intervals of the Vaigat Formation. keywords: basin; fig; formation; greenland; nuussuaq; permeability; porosity; reservoir; sandstone; west cache: geusb-4408.pdf plain text: geusb-4408.txt item: #36 of 222 id: geusb-4411 author: Brüsch, Walter ; Rosenbom, Annette E. ; Badawi, Nora ; Olsen, Preben title: Monitoring of pesticide leaching from cultivated fields in Denmark date: 2016-07-15 words: 3780 flesch: 57 summary: Open access: www.geus.dk/publications/bull The Danish Pesticide Leaching Assessment Programme (PLAP) was initiated in 1998 by the Danish Parliament in order to evaluate whether the use of approved pesticides will result in an unacceptable contamination of the ground- water, if applied under field conditions in accordance with current Danish regulation. The Dan- ish Pesticide Leaching Assessment Programme: Monitoring results May 1999 – June 2002, 158 pp. keywords: denmark; fields; groundwater; leaching; monitoring; pesticides; products; programme cache: geusb-4411.pdf plain text: geusb-4411.txt item: #37 of 222 id: geusb-4416 author: Pérez, Lara F.; Nielsen, Tove title: Asynchronous ice-sheet development along the central East Greenland margin: a GLANAM project contribution date: 2017-07-31 words: 2749 flesch: 61 summary: The glacier- inf luenced Scoresby Sund Fan, East Greenland continental margin: evidence from GLORIA and 3.5 kHz records. The ice-sheet extension was largest during latest Pliocene – earliest Pleistocene (2.90–2.33 Ma), revealing a slightly older age for the onset of margin progradation off central East Greenland than observed far- ther north off North-East Greenland (c. 76°N), where the first margin progradation began c. 2.5 Ma (Berger & Jokat 2009). keywords: east; fig; greenland; ice; margin; shelf; sund cache: geusb-4416.pdf plain text: geusb-4416.txt item: #38 of 222 id: geusb-4417 author: Hansen, Marianne M.; Rinds, Nicolai title: The rescue of seismic field data from exploration activities in the Danish North Sea date: 2017-07-31 words: 2736 flesch: 67 summary: In 1962, the Danish company A.P. Møller A/S was granted exclusive rights to explore the Danish sub- soil according to the Sole Concession of 8 July 1962 (North The rescue of seismic field data from exploration activities in the Danish North Sea Marianne M. Hansen and Nicolai Rinds 5°E 3°E 6°E 55°N 56°N Norway Denmark 500 km 50 km Fig. To rescue seismic field data is both a cumbersome and potentially expensive task. keywords: danish; data; field; geus; tapes cache: geusb-4417.pdf plain text: geusb-4417.txt item: #39 of 222 id: geusb-4423 author: Hansen, Martin; Toftemann Thomsen, Charlotte title: An integrated public information system for geology, groundwater and drinking water in Denmark date: 2017-07-31 words: 2390 flesch: 53 summary: The public data model The public data model can handle: • Borehole data, including: localisation and administrative data, construction data, abandon data, geological descrip- tion using common methodology, hydraulic head meas- urements, samples and analyses from soil, water and air; • Surface soil and water sample data; • Water supply data for water plants, agriculture and indus- try, including: extractions wells, well fields, water treat- ment plants, extraction permits, water quality data, water extraction, water use data, exchange of water between wa- ter works, ownership and contact persons; • Soil pollution data: projects; soil, water and air chemis- try data from boreholes, surface samples and remediation plants. This updated system is used by the municipalities to manage their water supply data (e.g. water supply struc- ture, permits, groundwater and drinking water quality data), by state agencies to manage groundwater data from the groundwater mapping and by the regions to maintain their soil pollution data. keywords: access; data; database; public; users; water cache: geusb-4423.pdf plain text: geusb-4423.txt item: #40 of 222 id: geusb-4424 author: Lund Jacobsen, A. Lif title: Arctic geopolitics and the beginning of earthquake monitoring in Denmark and Greenland date: 2017-07-31 words: 2718 flesch: 50 summary: Establishing seismological stations from 1925 to 1927 From early on, it was clear that while the Danish govern- ment was willing to authorise the construction of seismo- logical stations, much of the funds to build stations and buy scientific instruments had to come from private donations. In addition to demonstrat- ing sovereignty over Greenland, he argued that Denmark needed seismological stations because all cultural and refined nations in Europe had a least one. keywords: danish; denmark; geodetic; greenland; instruments; national; stations cache: geusb-4424.pdf plain text: geusb-4424.txt item: #41 of 222 id: geusb-4476 author: Christiansen, F.G. title: Review of Survey activities 2014: Colophon, contents, introduction date: 2015-07-07 words: 2409 flesch: 47 summary: A quartz-wolframite-molybdenite vein and scheelite in amphibolite horizons from Th rudvang peninsula, Skjoldungen, SE Greenland D. Rosa and T. Ulrich 53 Follow-up on Ujarassiorit mineral hunt fi nds and outreach activities, South-East Greenland M.D. Poulsen, H. Paulick, D. Rosa, V.J. van Hinsberg, J. Petersen and L.L. Th omsen 57 Greenland ice sheet melt area from MODIS (2000– 2014) R.S. Fausto, D. van Geological Survey of Denmark and Greenland Bulletin 33, 2015, 1-7 1 GEOLOGICAL SURVEY OF DENMARK AND GREENLAND BULLETIN 33 • 2015 Review of Survey activities 2014 Edited by Ole Bennike, Adam A. Garde and W. Stuart Watt GEOLOGICAL SURVEY OF DENMARK AND GREENLAND MINISTRY OF CLIMATE, ENERGY AND BUILDING 22 Geological Survey of Denmark and Greenland Bulletin 33 Key words Geological Survey of Denmark and Greenland, survey organisations, current research, Denmark, Greenland. keywords: activities; data; denmark; geus; greenland; ice; paper; survey cache: geusb-4476.pdf plain text: geusb-4476.txt item: #42 of 222 id: geusb-4477 author: Schovsbo, Niels H.; Nielsen, Arne T.; Klitten, Kurt title: The Lower Palaeozoic now fully cored and logged on Bornholm, Denmark date: 2015-07-07 words: 2487 flesch: 67 summary: Th e Sommerodde-1 well is also correlated with the fully cored Billegrav-2 well that penetrated the succession from the lower part of the F5 unit and downwards, thereby clos- ing the correlation gap between the Billegrav-1 well and the exposures in the Øle Å water course as presented by Pedersen & Klitten (1990). Th e log stratigraphy permitted correlation of un-cored water wells with fully cored scientifi c wells. keywords: denmark; fig; log; shale; sommerodde-1 cache: geusb-4477.pdf plain text: geusb-4477.txt item: #43 of 222 id: geusb-4478 author: Esbensen, Kim H.; Schovsbo, Niels H.; Kristensen, Lars title: Down-hole permeability prediction – a chemometric wire-line log feasibility study from a North Sea chalk well date: 2015-07-07 words: 2802 flesch: 63 summary: However, such data were not included in this feasibility study. Material and methods Core and log data are from the M-1X well in the Danish part of the North Sea; core data were collected in the mid- 1990s during a multi-disciplinary reservoir study (Dons et al. 1995). A parallel study based on a similar approach using log data and logs + core data also proved successful for prediction of ‘functional rock types’ for other lithologies than chalk, i.e. Alum Shale (Schovsbo et al. 2015). keywords: core; data; fig; formation; log; permeability; pls; prediction cache: geusb-4478.pdf plain text: geusb-4478.txt item: #44 of 222 id: geusb-4479 author: Schack Pedersen, Stig A.; Boldreel, Lars Ole title: Thrust-fault architecture of glaciotectonic complexes in Denmark date: 2015-07-07 words: 2311 flesch: 59 summary: Th e thrust faults are diff erentiated into ramps and fl ats, where a ramp cross-cuts the bedding, whereas the fl at is more or less bedding-parallel. Th e thrust sheets are thinner than in the central domain, which is a consequence of the décolle- ment surface that rises from the deepest level in the trailing end to the topographic surface in the foreland. keywords: complex; domain; glaciotectonic; sheets; thrust cache: geusb-4479.pdf plain text: geusb-4479.txt item: #45 of 222 id: geusb-4480 author: Gregersen, Søren; Voss, Peter H. title: Consistency of postglacial geodynamics for the Kattegat region, southern Scandinavia, based on seismological, geological and geodetic data date: 2015-07-07 words: 2516 flesch: 65 summary: Th e ages in Fig. 2 are the oldest for each location for the Littorina Sea period that lasted several thousands of years. Th e irregularity locations in the middle of Skåne in south- ern Sweden and on Rügen in northern Germany are based on geodetic measurements. keywords: denmark; fig; geological; gregersen; uplift cache: geusb-4480.pdf plain text: geusb-4480.txt item: #46 of 222 id: geusb-4481 author: Voss, Peter H.; Dahl-Jensen, Trine; Larsen, Tine B. title: Acoustic events on a small seismological network – shock waves from thunder and fireballs date: 2015-07-07 words: 2275 flesch: 72 summary: But from time to time other sources than earthquakes generate seismic signals that are detected at the stations. Here we show that both meteoroids and thun- der have generated seismic signals with high signal-to-noise ratios at some of GEUS’ seismic stations (Fig. 1). keywords: signals; station; thunder; wave cache: geusb-4481.pdf plain text: geusb-4481.txt item: #47 of 222 id: geusb-4482 author: Henriksen, Hans Jørgen; Stisen, Simon; He, Xin; Wiese, Marianne B. title: A hydrological early warning system for Denmark based on the national model date: 2015-07-07 words: 2824 flesch: 50 summary: Th e Geological Survey of Denmark and Greenland (GEUS) fi nanced a two year project (2012–2014), in order to determine the requirements for a hydrological system ca- pable of providing real-time and forecast simulations based on a national hydrological model (the DK-model; www. vandmodel.dk; Henriksen et al. 2003; Stisen et al. 2012; Højberg et al. 2013), and how the system can be linked with local early warning systems. Potential measures include early warning systems, risk communication between decision makers and local citizens, sustainable land management, including land use planning as well as ecosystem management and restoration (IPCC 2012). keywords: data; model; national; system; time; warning; water; workshop cache: geusb-4482.pdf plain text: geusb-4482.txt item: #48 of 222 id: geusb-4483 author: Gravesen, Peter; Jakobsen, Rasmus; Nilsson, Bertel title: Relationship between groundwater chemistry and the Precambrian basement rocks on eastern Bornholm, Denmark date: 2015-07-07 words: 2649 flesch: 64 summary: Th e Svaneke granite consists of K-feldspar (36%), plagio- clase (26%) and quartz (25%) with biotite (7%), hornblende (2%) and contains minor amounts of magnetite and titanite, Palaeozoic sandstone Dolerite dyke Svaneke granite Paradisbakke migmatite Bornholm gneiss Fault 2 k m S v a n e ke Ø s t e r l a r s P a r a Th e Svaneke granite can be divided into four types and a border facies bordering the gneiss and migmatite (Platou 1968, 1970). keywords: bornholm; gneiss; granite; groundwater; svaneke; types cache: geusb-4483.pdf plain text: geusb-4483.txt item: #49 of 222 id: geusb-4484 author: Kløve Keiding, Jakob; Kalvig, Per; Ditlefsen, Claus; Lomholt, Steen; Roll Jakobsen, Peter title: Assessment of the mineral raw material potential in Denmark – methods and major findings date: 2015-07-07 words: 3408 flesch: 49 summary: Th e supply of these raw materials is the result of complex value chains, which in turn are based on indicated (see below) and exploited mineral resources from which the raw materials can be processed and turned into commercial materials and products. Exploitation of mineral resources in Denmark takes place at designated sites and the administration is controlled by the Danish Nature Agency for the marine resources and the Danish Regions for the resources on land. keywords: aggregates; areas; denmark; materials; mineral; resources; sand cache: geusb-4484.pdf plain text: geusb-4484.txt item: #50 of 222 id: geusb-4485 author: Marcussen, Christian; Mørk, Finn; Funck, Thomas; Lehmann Weng, Willy; Pedersen, Mikael title: The Continental Shelf Project of the Kingdom of Denmark – status and issues date: 2015-07-07 words: 3036 flesch: 65 summary: Th e Lomonosov Ridge was separated from the Barents and Kara shelves during the Paleocene (55 to 60 Ma), when sea-fl oor spreading started to open the Eurasia Basin. Th e Lomonosov Ridge is morphologically continuous with the Lincoln Shelf north of Greenland and furthermore shares geological characteristics with the land mass of Greenland. keywords: continental; greenland; north; shelf cache: geusb-4485.pdf plain text: geusb-4485.txt item: #51 of 222 id: geusb-4486 author: Kokfelt, Thomas F.; Weatherley, Samuel M.; Keiding, Jakob K.; Árting, Trygvi B. title: Magma mixing, mingling and hybridisation at different crustal levels: snapshots from 1.9 billion years of magmatism in south-eastern Greenland date: 2015-07-07 words: 3189 flesch: 50 summary: Tasiilaq intrusion of the Ammassalik Intrusive Complex – Th e Tasiilaq intrusion, dated to 1886 ± 2 Ma (Hansen & Kalsbeek 1989), is the central part of the Palaeoproterozoic Ammassalik Intrusive Complex that forms a c. 85 × 20 km WNW–ESE-trending array of three large mafi c intrusions (Fig. 1). Th e Tasiilaq intrusion represents a deep crustal end-mem- ber of the study area. keywords: complex; greenland; intrusion; intrusive; mafi; magma; mingling cache: geusb-4486.pdf plain text: geusb-4486.txt item: #52 of 222 id: geusb-4487 author: Rosa, Diogo; Ulrich, Thomas title: A quartz-wolframite-molybdenite vein and scheelite in amphibolite horizons from Thrudvang peninsula, Skjoldungen, SE Greenland date: 2015-07-07 words: 1844 flesch: 58 summary: Th e inclusions vary in size from 5 to 20 mm and are euhe- dral in shape. Th e vein documents a previously unknown tungsten- molybdenum mineralisation occurrence in Greenland. keywords: greenland; inclusions; uid; vein cache: geusb-4487.pdf plain text: geusb-4487.txt item: #53 of 222 id: geusb-4498 author: Fausto, Robert S.; van As, Dirk; Antoft, Jens A.; Box, Jason E.; Colgan, William title: Greenland ice sheet melt area from MODIS (2000–2014) date: 2015-07-07 words: 2419 flesch: 67 summary: Greenland surface melt trends 1973–2007: evidence of a large increase in 2007. In Fig. 4 we have plotted the yearly maximum values of the GST, GSTmax and GSTmin products, as well as the PMP maxi- mum extent of Greenland melt area. keywords: greenland; ice; melt; snow; surface cache: geusb-4498.pdf plain text: geusb-4498.txt item: #54 of 222 id: geusb-4503 author: Charalampidis, Charalampos; van As, Dirk title: Observed melt-season snowpack evolution on the Greenland ice sheet date: 2015-07-07 words: 3222 flesch: 65 summary: Melt resumed on 13 June, aff ecting snow temperatures at 0.7 Th e surface ablated in response to the warm conditions, while the snow tempera- tures revealed the distinct progression of a warming and thus wetting front moving vertically through the snowpack (Fig. 3B). keywords: fig; greenland; ice; melt; snow; surface cache: geusb-4503.pdf plain text: geusb-4503.txt item: #55 of 222 id: geusb-4512 author: Citterio, Michele; van As, Dirk; Ahlstrøm, Andreas P.; Andersen, Morten L.; Andersen, Signe B.; Box, Jason E.; Charalampidis, Charalampos; Colgan, William T.; Fausto, Robert S.; Nielsen, Søren; Veicherts, Martin title: Automatic weather stations for basic and applied glaciological research date: 2015-07-07 words: 3090 flesch: 64 summary: Station requirements Th e GEUS AWS is the fundamental component of a moni- toring network which can include numerous stations, a satel- lite data link, and a receiving database where telemetry data are decoded and validated before further analysis and dis- semination. Th e GEUS AWS can be fi tted with any sensor, but the standard AWS measures air temperature and humidity, wind speed and direction, atmospheric pressure, downward and refl ected solar shortwave radiation, downward and upward longwave radiation, subsurface (ice) temperatures, snow depth, ice ablation, GPS position, as well as diagnos- tic parameters such as battery voltage and ventilator power consumption, and 2-axes station tilt necessary for correct- ing shortwave radiation measurements. keywords: aws; data; denmark; geus; greenland; ice; power; satellite; sensors; stations cache: geusb-4512.pdf plain text: geusb-4512.txt item: #56 of 222 id: geusb-4513 author: Vest Sørensen, Erik; Bjerager, Morten; Citterio, Michele title: Digital models based on images taken with handheld cameras – examples on land, from the sea and on ice date: 2015-07-07 words: 2357 flesch: 63 summary: Th e images were recorded with ste- 55°15´20´´N 55°15´20´´N 12°7´30´´E 200 m 12°7´30´´E Fig. Th e images were collected from a distance of 10–300 m, which translates to pixel sizes in the millimetre to centimetre range. keywords: digital; fig; images; outcrop; point; quarry; surface cache: geusb-4513.pdf plain text: geusb-4513.txt item: #57 of 222 id: geusb-4514 author: Thomsen, Tonny B.; Knudsen, Christian; Hinchey, Alana M. title: Investigations of detrital zircon, rutile and titanite from present-day Labrador drainage basins: fingerprinting the Grenvillean front date: 2015-07-07 words: 3087 flesch: 54 summary: Th e occurrence of titanite ages and lack of rutile ages indicate medium- to high-grade metamorphic conditions, probably upper amphibolite facies. Th e three ar- eas show distinct diff erences in detrital zircon ages. keywords: ages; rutile; sedimentary; titanite; zircon cache: geusb-4514.pdf plain text: geusb-4514.txt item: #58 of 222 id: geusb-4515 author: Knudsen, Christian; Thomsen, Tonny B.; Kalsbeek, Feiko; Kristensen, Jeppe A.; Vital, Helenice; McLimans, Roger K. title: Composition of ilmenite and provenance of zircon in northern Brazil date: 2015-07-07 words: 2648 flesch: 56 summary: Accordingly, it is also important to understand not only the concentration of heavy minerals in the ground but also the abundance and composition of the individual minerals. Heavy minerals in reservoir sandstones contain a wealth of information about their formation that characterises their source. keywords: brazil; fig; ilmenite; minerals; samples; sandstones cache: geusb-4515.pdf plain text: geusb-4515.txt item: #59 of 222 id: geusb-4516 author: Poulsen, Niels; Bocin-Dumitriu, Andrei; Holloway, Sam; Kirk, Karen; Neele, Filip; Smith, Nichola title: Reserves and resources for CO2 storage in Europe: the CO2StoP project date: 2015-07-07 words: 2806 flesch: 53 summary: Th e data necessary to assess potential loca- tions of CO2 storage resources are found in a database set up in the project. Th erefore, most previous studies of CO2 storage resources (e.g. USGS Assessment; DOE Storage Atlases; Norwegian Assessment; IEA Best Practices document) focussed on de- termining the amount of CO2 that can be retained in con- ventional reservoir rocks as a dense fl uid in the fl uid-fi lled pore spaces between the grains that make up the matrix of the rock and in fl uid-fi lled fractures. keywords: capacity; co2; co2stop; data; geological; project; resource; storage cache: geusb-4516.pdf plain text: geusb-4516.txt item: #60 of 222 id: geusb-4629 author: Christiansen, F.G. title: Review of Survey activities 2013 date: 2014-06-25 words: 2621 flesch: 48 summary: 55 Estimating thermal conductivity from lithological descriptions – a new web-based tool for planning of ground-source heating and cooling C. Ditlefsen, I. Sørensen, M. Slott and M. Hansen 59 Six years of petroleum geological activities in North- East Greenland (2008–2013): projects and a view of the future J.A. Bojesen-Koefoed, P. Alsen and F.G. Christiansen 63 Aeromagnetic survey in south-eastern Greenland: project Aeromag 2013 P. Riisager and T.M. Rasmussen 67 Combining exploration and multivariate techniques to detect the Bjørnesund West gold occurrence, southern West Greenland D.M. Schlatter and B. Møller Stensgaard 71 Integrating 3D photogeology with aeromagnetic data as a tool for base-metal exploration in East Greenland A. Brethes, P. Guarnieri and T.M. Rasmussen 75 Earthquake swarms in Greenland T.B. Larsen, P.H. Voss, T. Dahl-Jensen and H.P. Rasmussen 79 Outlet glacier dynamics and bathymetry at Upernavik Isstrøm and Upernavik Isfjord, North- West Greenland C.S. Andresen, K.K. Kjeldsen, B. Harden, N. Nørgaard- Pedersen and K.H. Kjær 83 Katabatic winds and piteraq storms: observations from the Greenland ice sheet D. van As, R.S. Fausto, K. Steffen and the PROMICE project team 87 Mass loss from an ice-sheet drainage basin in West Greenland M.L. Andersen, S.B. Andersen, L. Stenseng, H. Skourup, W. Colgan, S.S. Kristensen, J.P.M. Boncori, A.P. Ahlstrøm, X. Fettweiss, R. Forsberg, M. Citterio, J.E. Box, D. van As and R.S. Jakob Lautrup Frontispiece: facing page In 2012 and 2013 GEUS carried out field work in North Greenland (see paper by Bojesen-Koefoed et al. in this issue). keywords: activities; data; denmark; geus; greenland; ice; paper; sheet; survey cache: geusb-4629.pdf plain text: geusb-4629.txt item: #61 of 222 id: geusb-4633 author: Vosgerau, Henrik ; Mathiesen, Anders ; Sparre Andersen, Morten ; Boldreel, Lars Ole ; Hjuler, Morten Leth ; Kamla, Elina ; Kristensen, Lars ; Brogaard Pedersen, Christian ; Pjetursson, Bjarni ; Nielsen, Lars Henrik title: A WebGIS portal for exploration of deep geothermal energy based on geological and geophysical data date: 2016-07-15 words: 2143 flesch: 49 summary: Deep geothermal energy has the advantage of being a sustainable and environmentally friendly energy source which is furthermore independ- ent of climate and seasonal variations, in contrast to wind and solar energy. A com- prehensive map from the portal showing onshore and near- offshore locations where the geological conditions are po- tentially suitable for extraction of deep geothermal energy in Denmark is shown in Fig. keywords: data; depth; energy; fig; log; maps; quality; reservoir cache: geusb-4633.pdf plain text: geusb-4633.txt item: #62 of 222 id: geusb-4637 author: Gravesen, Peter; Nilsson, Bertel; Rasmussen, Per; Schack Pedersen, Stig A. title: Borehole logs from the Precambrian basement on Bornholm, eastern Denmark: geology and groundwater flow date: 2014-06-25 words: 2367 flesch: 66 summary: Horizontal fracture systems seen over a large area are found at 10–12 m a.s.l. The yield of boreholes in basement rocks on Bornholm is commonly low, but boreholes supplying Østermarie waterworks show high yields because of fracture systems in the rocks in this area. keywords: borehole; denmark; flow; fractures; groundwater; rocks cache: geusb-4637.pdf plain text: geusb-4637.txt item: #63 of 222 id: geusb-4640 author: Schovsbo, Niels H.; Nielsen, Arne T.; Gautier, Donald L. title: The Lower Palaeozoic shale gas play in Denmark date: 2014-06-25 words: 2485 flesch: 55 summary: Shale gas exploration in Denmark is in its early stages. These black shales are thinner and less TOC-rich than the Alum Shale, but may still be interesting for shale gas exploration. keywords: alum; denmark; fig; gas; palaeozoic; shale; sweet cache: geusb-4640.pdf plain text: geusb-4640.txt item: #64 of 222 id: geusb-4641 author: Ineson, Jon R. ; Surlyk, Finn title: Colophon, Contents, Dedication, Referees, Preface date: 2003-10-28 words: 3010 flesch: 33 summary: Available from Geological Survey of Denmark and Greenland (GEUS) Øster Voldgade 10, DK-1350 Copenhagen K, Denmark Phone: +45 38 14 20 00, fax: +45 38 14 20 50, e-mail: geus@geus.dk or Geografforlaget ApS Fruerhøjvej 43, DK-5464 Brenderup, Denmark Phone: +45 63 44 16 83, fax: +45 63 44 16 97, e-mail: go@geografforlaget.dk  Danmarks og Grønlands Geologiske Undersøgelse (GEUS), 2003 5 6 7 9 23 61 75 115 147 217 233 247 265 301 349 367 403 Contents Dedication Referees Preface The Jurassic of Denmark and Greenland: key elements in the reconstruction of the North Atlantic Jurassic rift system F. Surlyk and J.R. Ineson Stratigraphy The Lower Jurassic of Europe: its subdivision and correlation K.N. Page The Middle Jurassic of western and northern Europe: its subdivisions, geochronology and correlations J.H. Callomon The Upper Jurassic of Europe: its subdivision and correlation A. Zeiss The Jurassic dinoflagellate cyst zonation of Subboreal Northwest Europe N.E. Poulsen and J.B. Riding Denmark, southern Sweden and the Netherlands Jurassic lithostratigraphy and stratigraphic development onshore and offshore Denmark O. Michelsen, L.H. Nielsen, P.N. Johannessen, J. Andsbjerg and F. Surlyk The Jurassic of the Netherlands G.F.W. Herngreen, W.F.P. Kouwe and Th.E. Wong Danish Central Graben Upper Jurassic – Lower Cretaceous of the Danish Central Graben: structural framework and nomenclature P. Japsen, P. Britze and C. Andersen Middle Jurassic – Early Cretaceous rifting of the Danish Central Graben J.J. Møller and E.S. Rasmussen Sequence stratigraphy of the Jurassic of the Danish Central Graben J. Andsbjerg and K. Dybkjær Sedimentology and sequence stratigraphy of the Bryne and Lulu Formations, Middle Jurassic, northern Danish Central Graben J. Andsbjerg The use of spectral natural gamma-ray analysis in reservoir evaluation of siliciclastic sediments: a case study from the Middle Jurassic of the Harald Field, Danish Central Graben I.L. Fabricius, L. Dahlerup Fazladic, A. Steinholm and U. Korsbech Sedimentology and sequence stratigraphy of paralic and shallow marine Upper Jurassic sandstones in the northern Danish Central Graben P.N. Johannessen Volgian–Ryazanian ‘hot shales’ of the Bo Member (Farsund Formation) in the Danish Central Graben, North Sea: stratigraphy, facies and geochemistry J.R. Ineson, J.A. Bojesen-Koefoed, K. Dybkjær and L.H. Nielsen 3 439 459 527 543 555 585 611 631 659 723 777 813 865 893 931 Danish Basin and Fennoscandian Border Zone Triassic and Jurassic transtension along part of the Sorgenfrei–Tornquist Zone in the Danish Kattegat T.E. Mogensen and J.A. Korstgård Late Triassic – Jurassic development of the Danish Basin and the Fennoscandian Border Zone, southern Scandinavia L.H. Nielsen The Jurassic of Skåne, southern Sweden A. Ahlberg, U. Sivhed and M. Erlström Jurassic stratigraphic research in Denmark over the last two decades has benefited immensely from the interaction between these two contrasting yet comple- mentary approaches. keywords: book; danish; denmark; east; geological; greenland; jurassic; research; stratigraphic; surlyk; survey; university cache: geusb-4641.pdf plain text: geusb-4641.txt item: #65 of 222 id: geusb-4642 author: Larsen, Connie; Ineson, Jon; Boldreel, Lars Ole title: Seismic stratigraphy and sedimentary architecture of the Chalk Group in south-west Denmark date: 2014-06-25 words: 2315 flesch: 55 summary: Seismic units 1–3 show parallel, continuous or discontinuous reflector patterns with low amplitude. Seismic units 4–6 display discontinuous, semi-parallel inter- nal reflector patterns which are locally chaotic. keywords: chalk; denmark; group; high; seismic; study; unit cache: geusb-4642.pdf plain text: geusb-4642.txt item: #66 of 222 id: geusb-4643 author: Kjøller, Claus; Zuta, John title: A novel technique for obtaining representative water samples during CO2 core-flooding experiments on chalk at reservoir conditions date: 2014-06-25 words: 2789 flesch: 49 summary: The experiments were per- formed by injecting CO2-saturated seawater at supercritical CO2 conditions, at a pressure of 17.24 MPa (2500 psig; pounds per square inch of gauge pressure) and a temperature of 75°C. The objective of this study was to develop and test a new technique for obtaining water samples during CO2-brine– rock interactions in reservoir chalk under representative reservoir conditions and gain a better understanding of the chemical interactions which occur during the injection of CO2. keywords: co2; conditions; reservoir; sample; seawater cache: geusb-4643.pdf plain text: geusb-4643.txt item: #67 of 222 id: geusb-4644 author: Surlyk, Finn ; Ineson, Jon R. title: The Jurassic of Denmark and Greenland: key elements in the reconstruction of the North Atlantic Jurassic rift system date: 2003-10-28 words: 7620 flesch: 55 summary: Jurassic sequence stratigra- phy of East Greenland. Major events such as late Early – Middle Jurassic uplift, followed by onset of rifting, basin reorganisation and rift climax were delayed in East Greenland relative to the Danish region. keywords: basin; central; danish; denmark; east; east greenland; eds; geological; greenland; j.r; jurassic; middle; north; rift; sea; stratigraphic; surlyk; volume cache: geusb-4644.pdf plain text: geusb-4644.txt item: #68 of 222 id: geusb-4646 author: Page, Kevin N. title: The Lower Jurassic of Europe: its subdivision and correlation date: 2003-10-28 words: 20862 flesch: 54 summary: Levisoni ‘Semicelatum’ (Il) Mirabile Semipolitum Bifrons Apertum Lusitanicum Tethysi Sublevisoni Striatus Paltarpites Bifrons Sublevisoni Falciferum Elegantulum ‘Semicelatum’ (ll) Paltum Semipolitum Bifrons Apertum Lusitanicum Tethysi Sublevisoni Douvillei Pseudoserpentinum Strangewaysi Elegantulum ‘Semicelatum’ Tenuicostatum Crosbeyi Paltum Chronozone Subchronozone Biohorizon Zonule Subchronozone Chronozone Chronozone Subchronozone Zonule Subboreal Province Submediterranean Province Mediterranean Province Fig. 6. 42 Hawskerense Lotti Solare Transiens Salebrosum ? Ruthense Algovianum Bertrandi (Il) Kurrianus Ugdulenai Macrum Ragazzonii Boscense Depressum Celebratum Nitescens Monestieri Occidentale Elisa Emaciatum Imitator Solare Levidorsatum Meneghinii ? Accuratum Canavarii Ugdulenai Bertrandi (l) Ragazzonii Cornacaldense Celebratum Marianii Isseli/ Brevispiratum Lavinianum/ Portisi Elisa Solare Levidorsatum Meneghenii Accuratum Bertrandi Ragazzonii Cornacaldense Emaciatum Algovianum Lavinianum Hawskerense Elaboratum Solare Transiens Salebrosum (unnamed interval) Algovianum (unnamed interval) Normanianum Celebratum Nitescens Monestieri Occidentale Hawskerense Apyrenum Gibbosus Subnodosus Stokesi Spinatum Margaritatus Chronozone Subchronozone Zonule Zonule Zonule (Austria–Italy–Spain) Subchronozone(Spain) Chronozone (Spain) Mediterranean Province Submediterranean Province Subboreal Province Isseli Brevispiratum Lavinianum Portisi Fig. keywords: ammonites; areas; author; base; bed; biohorizons; bloos; britain; buckman; corna; correlating; des; dommergues; dommergues et; elmi; elmi et; england; et al; european; fauna; france; gabilly; geological; grp; howarth; index; jurassic; lias; mediterranean; northern; northwest; oppel; page; pliensbachian; province; sinemurian; stage; subboreal; subchronozone; subchronozone index; subdivisions; subzone; toarcian; zonule cache: geusb-4646.pdf plain text: geusb-4646.txt item: #69 of 222 id: geusb-4647 author: Sheldon, Emma; Morigi, Caterina; Møller, Sarah D. title: Calcareous nannofossil and foraminifer biostratigraphy of the Campanian–Maastrichtian chalk of the Femern Bælt (Denmark–Germany) date: 2014-06-25 words: 2810 flesch: 65 summary: In the absence of certain established FCS marker foraminif- era for the North Sea chalk, new zonal markers, e.g. Hagen- owella paleocenica, Pseudouvigerina cristata, Globotruncana arca, Gavelinella monterelensis and Globorotalites micheliana are used here in addition to conventional taxa for the Cam- panian–Maastrichtian chalk of Denmark, perhaps allowing correlation with the North Sea area, and further afield. The boreholes penetrated glacial till, Pale- ocene–Eocene clay and chalk (Sheldon et al. 2012). keywords: area; campanian; chalk; danish; denmark; maastrichtian; nannofossil; study cache: geusb-4647.pdf plain text: geusb-4647.txt item: #70 of 222 id: geusb-4648 author: Callomon, John H. title: The Middle Jurassic of western and northern Europe: its subdivisions, geochronology and correlations date: 2003-10-28 words: 8744 flesch: 56 summary: Taking the most optimistic estimate (see, for example, discussion by Hallam 1988) of, say, + 200 m for the Jurassic as a whole, this would suggest a mean value in the region of 50–100 m for thicknesses of epicontinental marine Middle Jurassic sediments that could be ascribed to eustatically-created accommodation space. In: Rocha, R.B. & Soares, A.F. (eds): 2nd International Symposium on Jurassic stratigraphy (Lisbon 1987) 1, 359–376. keywords: ammonites; arctic; bathonian; boreal; callomon; callovian; central; east; european; greenland; jurassic; marine; middle; middle jurassic; north; northern; sea; seas; standard; submediterranean; t t; time; zone cache: geusb-4648.pdf plain text: geusb-4648.txt item: #71 of 222 id: geusb-4649 author: Zeiss, Arnold title: The Upper Jurassic of Europe: its subdivision and correlation date: 2003-10-28 words: 27939 flesch: 55 summary: (Prob- lems of Upper Jurassic stratigraphy. As the former is of particular significance for Upper Jurassic subdivision and correlation, it will be treated here in some detail (see below). keywords: ammonite; atrops; base; bauhini; boreal; boundary; callomon; cariou; central; correlation; cretaceous; der; des; east; eds; enay; et al; europe; fig; france; geological; germany; group; hantzpergue; horizon; international; jurassic; jurassic stratigraphy; jurassique; kimmeridgian; malinowska; meléndez; middle; mémoire; north; northern; oxfordian; poland; schweigert; southern; species; stage; stratigraphy; subboreal; subdivision; submediterranean; subzone; symposium; tithonian; upper; volgian; wierzbowski; zeiss; zone cache: geusb-4649.pdf plain text: geusb-4649.txt item: #72 of 222 id: geusb-4650 author: Poulsen, Niels E. ; Riding, James B. title: The Jurassic dinoflagellate cyst zonation of Subboreal Northwest Europe: With an appendix by Bjørn Buchardt: Oxygen isotope palaeotemperatures from the Jurassic in Northwest Europe date: 2003-10-28 words: 18240 flesch: 56 summary: Knowledge of the major factors controlling the dis- tribution patterns of Jurassic dinoflagellate cysts cannot be obtained by analogy to modern taxa. Hancock, N.J. & Fisher, M.J. 1981: Middle Jurassic North Sea deltas with particular reference to Yorkshire. keywords: ammonite; bathonian; boreal; callovian; central; cretaceous; cyst; danish; denmark; dinoflagellate; dinoflagellate cyst; europe; fig; geological; greenland; jurassic; kingdom; level; marine; middle; north; oxfordian; palaeotemperature; poulsen; range; riding; sea; species; subzone; tethyan; thomas; united; volgian; woollam; zonation; zone cache: geusb-4650.pdf plain text: geusb-4650.txt item: #73 of 222 id: geusb-4652 author: Herngreen, G.F. Waldemar ; Kouwe, Wim F.P. ; Wong, Theo E. title: The Jurassic of the Netherlands date: 2003-10-28 words: 13989 flesch: 66 summary: 4. Litho-chronostratigraphic scheme of the Rhaetian–Ryazanian succession of the five main Jurassic basin systems in the Netherlands: (1) Roer Valley Graben – West Netherlands Basin, (2) Off-Holland Low – Broad Fourteens Basin, (3) Central Netherlands Basin, (4) Ems Low – Lower Saxony Basin and (5) Vlieland Basin, Terschelling Basin and Dutch Central Graben. The latter flooding event is associated with onlap onto exposed Triassic and Permian rocks in the Terschelling Basin (Oyster Ground Member in block F15) and the Vlieland Basin – Central Netherlands Basin area (continental Zurich Formation). keywords: basin; central; deposition; dutch; e n; f m; formation; graben; jurassic; late; lower; m o; marine; middle; netherlands; north; o n; sea cache: geusb-4652.pdf plain text: geusb-4652.txt item: #74 of 222 id: geusb-4655 author: Richardt, Patrick Alexander; Sheldon, Emma title: Palynological and microfossil biostratigraphy and palaeoecology over the Paleocene–Eocene transition, Femern Bælt, northern Germany date: 2014-06-25 words: 2901 flesch: 69 summary: A high-resolution North Sea Eocene dinocyst zonation. Abundant (15–49) Dominant (>50) C hr on os tr at ig ra ph y Ea rl y Eo ce ne La te P al eo ce ne Li th os tr at ig ra ph y Ø lst F or m at io n H ol m eh us F or m at io n Ø st er re nd e C lay D an ish V ib or g di no cy st z on at io n V7 E1 b V5 V4 P5 a P5 b N or th S ea m ic ro fo ss il zo ne s M ud ge & B uj ak 1 99 4, B uj ak & M ud ge 1 99 6 N SP 4 / N SA 2 N SP 3 / N SA 1b Ac ho m os ph ae ra s pp . keywords: bælt; clausen; denmark; eocene; femern; sea cache: geusb-4655.pdf plain text: geusb-4655.txt item: #75 of 222 id: geusb-4656 author: Lerche, Hans; Roll Jakobsen, Peter; Schack Pedersen, Stig A. title: Ribbed moraines formed during the retreat of the Scandinavian ice sheet from eastern Himmerland, NE Jylland, Denmark date: 2014-06-25 words: 2327 flesch: 66 summary: The area with moraine ridges is indicated by a rectangle. Conceptual model showing the formation of moraine ridges in north-eastern Himmerland. keywords: denmark; fig; ice; pedersen; ridges; skov cache: geusb-4656.pdf plain text: geusb-4656.txt item: #76 of 222 id: geusb-4657 author: Bennike, Ole; Leth, Jørgen O. ; Jensen, Jørn Bo; Nørgaard-Pedersen, Niels; Lomholt, Steen title: Arctic plant remains of Weichselian age from the Danish North Sea date: 2014-06-25 words: 2740 flesch: 71 summary: Pre-Holocene radiocarbon ages from the Danish North Sea c. 56°30´ c. 7° K-3726 Odobenus rosmarus 31 578–36 9401110 ‡ c. 57°12´ c. 8°28´ K-5746 Odobenus rosmarus 27 616–33 475a * From the Roar 41 core, she reported on Eemian deposits overlain by Weichselian marine deposits with an Arctic or Boreo- Arctic foraminiferal fauna. keywords: age; denmark; deposits; marine; north; sand; sea; weichselian cache: geusb-4657.pdf plain text: geusb-4657.txt item: #77 of 222 id: geusb-4658 author: Bockhorn, Britta; Bergen Jensen, Marina; Klint, Knud Erik S. title: Stormwater management: methods for measuring near-surface infiltration capacity in clayey till date: 2014-06-25 words: 2100 flesch: 52 summary: Data from infiltration holes give more realistic values. 2. suggest relevant scales and strategies for infiltration tests in future experiments. keywords: guelph; hydraulic; infiltration; permeameter; till cache: geusb-4658.pdf plain text: geusb-4658.txt item: #78 of 222 id: geusb-4659 author: Leth Hjuler, Morten; v, Henrik; Møller Nielsen, Carsten; Frykman, Peter; Kristensen, Lars; Anders Mathiesen, Anders ; Bidstrup, Torben; Nielsen, Lars Henrik title: A multidisciplinary study of a geothermal reservoir below Thisted, Denmark date: 2015-07-07 words: 2507 flesch: 49 summary: For nearly 30 years the plant has successfully produced c. 43°C hot water (surface temperature) from a highly permeable sandstone reservoir in the Late Triassic to Early Jurassic Gassum Formation and used the heat from the geothermal water for district heating. In order to establish a robust geological reservoir model that covers all reservoir-qualify- ing aspects it was decided to conduct the evaluation as a mul- tidisciplinary study that included: (1) seismic interpretation and mapping, (2) determination of reservoir temperature, (3) petrophysical interpretation of well logs and (4) sedimento- logical description of well cores. keywords: depth; fig; formation; gassum; reservoir; temperature cache: geusb-4659.pdf plain text: geusb-4659.txt item: #79 of 222 id: geusb-4660 author: Ditlefsen, Claus; Sørensen, Inga; Slott, Morten; Hansen, Martin title: Estimating thermal conductivity from lithological descriptions – a new web-based tool for planning of ground-source heating and cooling date: 2014-06-25 words: 2481 flesch: 55 summary: Estimating thermal conductivity values from sediment descriptions As described above, it has been possible to establish a rela- tionship between lithology and thermal conductivity for a number of common Danish sediment types. Geological Survey of Denmark and Greenland Bulletin 31, 2014, 55-58 55 Estimating thermal conductivity from lithological descriptions – a new web-based tool for planning of ground-source heating and cooling Claus Ditlefsen, Inga Sørensen, Morten Slott and Martin Hansen keywords: boreholes; conductivity; denmark; sand; sediment; table; water cache: geusb-4660.pdf plain text: geusb-4660.txt item: #80 of 222 id: geusb-4661 author: Bojesen-Koefoed, Jørgen A.; Alsen, Peter; Christiansen, Flemming G. title: Six years of petroleum geological activities in North-East Greenland (2008–2013): projects and a view of the future date: 2014-06-25 words: 2733 flesch: 48 summary: Palynostratigraphy of the Cretaceous – lower Palaeogene sedimentary succession in the Kangerlussuaq Basin, south- ern East Greenland. It also offers an opportu- nity to summarise petroleum-directed activities in North- East Greenland since 2008, through which the Geological Survey of Denmark and Greenland (GEUS) has provided crucial knowledge to both the industry and the Greenland Bureau of Minerals and Petroleum (BMP) in their prepara- tions for the licence rounds. keywords: basin; core; cretaceous; east; field; greenland; north; petroleum; sea cache: geusb-4661.pdf plain text: geusb-4661.txt item: #81 of 222 id: geusb-4663 author: Schlatter, Denis Martin; Stensgaard, Bo Møller title: Combining exploration and multivariate techniques to detect the Bjørnesund West gold occurrence, southern West Greenland date: 2014-06-25 words: 2762 flesch: 54 summary: These areas can be regarded as potential to host gold occurrences. This led to the identification of portions of the western and east- ern parts of the Bjørnesund supracrustal belt as the most fa- vourable for gold occurrences. keywords: areas; basalt; bjørnesund; fig; gold; network; west cache: geusb-4663.pdf plain text: geusb-4663.txt item: #82 of 222 id: geusb-4664 author: Brethes, Anaïs; Guarnieri, Pierpaolo; Rasmussen, Thorkild M. title: Integrating 3D photogeology with aeromagnetic data as a tool for base-metal exploration in East Greenland date: 2014-06-25 words: 2396 flesch: 55 summary: Vosgerau H., Guarnieri P., Weibel R., Larsen M., Dennehy, C., Søren- sen, E.V. & Knudsen, C. 2010: Study of a Palaeogene intrabasaltic sedimentary unit in southern East Greenland: from 3-D photo- geolog y to micropetrography. The mineral occurrences of central East Greenland. keywords: data; east; faults; fig; greenland; permian cache: geusb-4664.pdf plain text: geusb-4664.txt item: #83 of 222 id: geusb-4665 author: Larsen, Tine B.; Voss, Peter H.; Dahl-Jensen, Trine; Rasmussen, Hans Peter title: Earthquake swarms in Greenland date: 2014-06-25 words: 3071 flesch: 71 summary: Earthquake swarms have previously been detected in North and North-East Greenland (Gregersen 1979) at a time when the seismograph coverage was very sparse. Two new localities with earthquake swarms were uncov- ered in this study (Fig. 1). keywords: disko; earthquake; fig; greenland; swarm cache: geusb-4665.pdf plain text: geusb-4665.txt item: #84 of 222 id: geusb-4668 author: Andresen, Camilla S.; Kjeldsen, Kristian K.; Harden, Benjamin; Nørgaard-Pedersen, Niels; Kjær, Kurt H. title: Outlet glacier dynamics and bathymetry at Upernavik Isstrøm and Upernavik Isfjord, North-West Greenland date: 2014-06-25 words: 2676 flesch: 60 summary: Three subsequent episodes of increased retreat rates are seen: (1) between 1966 and 1985 (glaciers 1, 2 and 4), (2) late 1990s (glaciers 1, 2 and 4) and (3) 2005–2009 (all glaciers). The onset of increased retreat rates in the 1930s of glaciers 1 + 2 and 3 + 4 as well as the increased retreat rates of glaciers 1 + 2 around 1966 may have been initiated by their decoupling from the merged glacier and glaciers 1 + 2 at this time. keywords: glacier; greenland; rates; retreat; upernavik; water cache: geusb-4668.pdf plain text: geusb-4668.txt item: #85 of 222 id: geusb-4671 author: Colgan, William; Box, Jason E.; Fausto, Robert S.; van As, Dirk; Barletta, Valentina R.; Forsberg, Rene title: Surface albedo as a proxy for the mass balance of Greenland’s terrestrial ice date: 2014-06-25 words: 2828 flesch: 55 summary: Greenland ice monthly mass balance derived from satellite gravimetry (Barletta et al. 2013) versus monthly average albedo derived from satellite imagery (Box et al. 2012), during May to September over the period from 2003 to 2012. We take this ave- rage value as representative of the uncertainty in GR ACE- derived monthly mass balance. keywords: albedo; balance; greenland; ice; mass; monthly; surface cache: geusb-4671.pdf plain text: geusb-4671.txt item: #86 of 222 id: geusb-4672 author: Kalvig, Per; Clausen, Rune J.; Fold, Niels; Hanghøj, Karen title: To what extent is Denmark vulnerable to mineral supply shortage? date: 2014-06-25 words: 2391 flesch: 43 summary: Mankind has always de- pended on access to mineral raw materials, which have been a key factor for wealth, culture and development. Generally, the availability of mineral raw materials has not, until recently, been consid- ered an issue by the average consumer or by companies in the downstream end of the value chains, and mineral resources have not been part of the political agenda. keywords: demand; denmark; materials; mineral; risk; supply; vulnerability cache: geusb-4672.pdf plain text: geusb-4672.txt item: #87 of 222 id: geusb-4675 author: Andsbjerg, Jan ; Dybkjær, Karen title: Sequence stratigraphy of the Jurassic of the Danish Central Graben date: 2003-10-28 words: 22362 flesch: 63 summary: Lower Jurassic sequences (Hett-1 – Pliens-1) in the Deep Gorm-1 and Edna-1 wells. Maximum flooding surfaces (MFS) are con- sidered the most reliable correlation surfaces in suc- cessions dominated by marine mudstones, whereas sequence boundaries (SB), and occasionally flooding surfaces (FS), are of primary importance in silty and sandy units. keywords: basin; boundary; central; danish; early; end; fig; graben; heno; jurassic; kimmeridgian; km ■; late; level; marine; middle; mudstones; north; plateau; rift; sandstones; sea; sed289 ■; sequence; sequence boundary; sonic; tail; volgian; wells; ■ ■ cache: geusb-4675.pdf plain text: geusb-4675.txt item: #88 of 222 id: geusb-4677 author: Fabricius, Ida L. ; Dahlerup Fazladic, Louise ; Steinholm, Armgard ; Korsbech, Uffe title: The use of spectral natural gamma-ray analysis in reservoir evaluation of siliciclastic sediments: a case study from the Middle Jurassic of the Harald Field, Danish Central Graben date: 2003-10-28 words: 10121 flesch: 62 summary: Sandstones of lithofacies II have an intermedi- ate K content, with K-feldspar, mica, and illite as the main sources. Su lp hu r qu ar tz ( + a lb it e) K -f el ds pa r m us co vi te ill it e ka o lin it e do lo m it e si de ri te py ri te co al ba ri te he av y m in er al s gl au co ni te ka o lin it e ill it e m us co vi te fe ld sp ar gl au co ni teSample* Geochemical data (wt%) Interpreted mineral content (%; based on XRD, BSEM and petrography) Interpreted contribution to K content (%) Depth metre b. MSL Litho- facies * keywords: clay; content; data; feldspar; fig; gamma; iii; k content; kaolinite; laboratory; lithofacies; log; minerals; quartz; ray; samples cache: geusb-4677.pdf plain text: geusb-4677.txt item: #89 of 222 id: geusb-4679 author: Ineson, Jon R. ; Bojesen-Koefoed, Jørgen A. ; Dybkjær, Karen ; Nielsen, Lars H. title: Volgian–Ryazanian ‘hot shales’ of the Bo Member (Farsund Formation) in the Danish Central Graben, North Sea: stratigraphy, facies and geochemistry date: 2003-10-28 words: 19249 flesch: 55 summary: Bo Member At ‘bulk level’, the mudstones of the Bo Member are characterised by high or even very high organic carbon contents, generally in the range 4–8 wt% TOC, occa- sionally exceeding 15 wt% TOC. spinosum 5 Rotosphaeropsis thula 4 Amphorula expirata 3 Egmontodinium polyplacophorum 2 Dichadogonyaulax pannea/Glossodinium dimorphum 1 Senoniasphaera jurassica Base Cromer Knoll Group Bo Member Base Ryaz-1 sequence boundary Base Volg-4 sequence boundary Fig. 6. Variation in the development of the Bo Member in the Danish Central Graben, illustrated by gamma logs (datum: top Bo Member). keywords: base; bo member; central; core; cretaceous; danish; data; et al; facies; farsund; fig; formation; gamma; geological; graben; high; jeppe-1; jurassic; late; middle; mudstones; north; organic; petroleum; ryazanian; sandstone; sea; sediment; shales; upper; volgian; wells cache: geusb-4679.pdf plain text: geusb-4679.txt item: #90 of 222 id: geusb-4682 author: Ahlberg, Anders ; Sivhed, Ulf ; Erlström, Mikael title: The Jurassic of Skåne, southern Sweden date: 2003-10-28 words: 8747 flesch: 57 summary: The present distribution of Jurassic deposits in Skåne represents remnants of a once more extensive cover (Norling et al. 1993). The Jurassic succes- sions in Skåne comprise sediments that accumulated in coastal plain to shallow shelf environments. keywords: area; clay; deposits; erlström; et al; formation; geologiska; helsingborg; jurassic; marine; member; norling; sand; sediments; sivhed; skåne; sweden; trough; zone cache: geusb-4682.pdf plain text: geusb-4682.txt item: #91 of 222 id: geusb-4683 author: Frandsen, Nils ; Surlyk, Finn title: An offshore transgressive–regressive mudstone-dominated succession from the Sinemurian of Skåne, Sweden date: 2003-10-28 words: 7195 flesch: 58 summary: Comparison with published European and British Jurassic sea-level curves show similar over- all trends, but exhibit differences in the precise ages of sequence boundaries and maximum flood- ing surfaces. Similar facies of the same age are widespread in the Danish Basin where they constitute the F-Ib unit (F-I member) of the Fjerritslev Formation. keywords: boundary; facies; fig; gantofta; isp; jurassic; level; lower; member; mudstones; sea; sequence; sinemurian; succession cache: geusb-4683.pdf plain text: geusb-4683.txt item: #92 of 222 id: geusb-4685 author: Nielsen, Ole B. ; Seidenkrantz, Marit-Solveig ; Abrahamsen, Niels ; Schmidt, Birthe J. ; Koppelhus, Eva B. ; Ravn-Sørensen, Helle ; Korsbech, Uffe ; Nielsen, K. Gynther title: The Lower–Middle Jurassic of the Anholt borehole: implications for the geological evolution of the eastern margin of the Danish Basin date: 2003-10-28 words: 14602 flesch: 60 summary: 596 reported in Middle Jurassic sediments elsewhere in the North Sea Basin (Nielsen & Friis 1985), but were not observed in this borehole. Only the latter two extended into Jurassic sediments. keywords: anholt; basin; borehole; clay; danish; denmark; depth; fig; fjerritslev; formation; haldager; jurassic; kaolinite; layers; middle; minerals; reflectance; samples; sand; section; sediments; uplift; values; zone cache: geusb-4685.pdf plain text: geusb-4685.txt item: #93 of 222 id: geusb-4686 author: Petersen, Henrik I. ; Nielsen, Lars H. ; Bidstrup, Torben ; Thomsen, Erik title: Burial depth and post-Early Cretaceous uplift of Lower–Middle Jurassic strata in the Fennoscandian Border Zone based on organic maturity date: 2003-10-28 words: 11803 flesch: 59 summary: This relationship can then be used to estimate the maximum burial depths and later uplift of Jurassic coal seams in the Fennoscandian Border Zone. Reflectance retardation (sup- pression) and source rock properties related to hydrogen- enriched vitrinite in Middle Jurassic coals, Danish North Sea. Journal of Petroleum Geology 21, 247–263. Petersen, H.I., Bojesen-Koefoed, J.A. & Nytoft, H.P. 1996: keywords: basin; burial; coal; coalification; cretaceous; data; denmark; fault; fig; formation; japsen; jurassic; nielsen; reflectance; rønne; uplift; values; zone cache: geusb-4686.pdf plain text: geusb-4686.txt item: #94 of 222 id: geusb-4687 author: Petersen, Henrik I. ; Nielsen, Lars H. ; Koppelhus, Eva B. ; Sørensen, Henning S. title: Early and Middle Jurassic mires of Bornholm and the Fennoscandian Border Zone: a comparison of depositional environments and vegetation date: 2003-10-28 words: 15401 flesch: 53 summary: Organic facies development within Middle Jurassic coal seams, Danish Central Graben, and evidence for relative sea-level control on peat accumu- lation in a coastal plain environment. The spore and pollen assemblages from coal seams and interbedded siliciclastic deposits indicate that the dominant plant groups in both the Early and Middle Jurassic mires were ferns and gym- nosperms. keywords: accumulation; area; bagå; basin; bornholm; clay; coal; coal coal; coal seams; denmark; fig; formation; freshwater; high; jurassic; lake; level; middle; mires; nielsen; peat; peat formation; petersen; pollen; pyrite; seam; upper; zone cache: geusb-4687.pdf plain text: geusb-4687.txt item: #95 of 222 id: geusb-4695 author: Larsen, Michael ; Surlyk, Finn title: Shelf-edge delta and slope deposition in the Upper Callovian – Middle Oxfordian Olympen Formation, East Greenland date: 2003-10-28 words: 9101 flesch: 60 summary: Massive sandstone bed (facies 4), 12 m thick, forming the top of the Athene Member. Isolated outcrops suggest, however, that the coarse- grained cross-bedded sandstone facies continues to the top of the formation. keywords: base; callovian; cross; delta; east; facies; fig; formation; greenland; jurassic; late; member; middle; mudstones; olympen; oxfordian; sandstones; slope; surlyk cache: geusb-4695.pdf plain text: geusb-4695.txt item: #96 of 222 id: geusb-4707 author: Christiansen, Flemming G. title: Review of Survey activities 2012: Colophon, contents, introduction date: 2013-07-10 words: 2189 flesch: 50 summary: The norite belt in the Mesoarchaean Maniitsoq structure, southern West Greenland: conduit-type Ni-Cu mineralisation in impact-triggered, mantle- derived intrusions? A.A. Garde, J. Pattison, T.F. Kokfelt, I. McDonald and K. Secher 49 Geochemistry and petrology of gold-bearing hydrothermal alteration zones on Qilanngaarsuit, southern West Greenland M. Koppelberg, A. Dziggel, D.M. Schlatter, J. Kolb and F.M. Meyer 53 Fingerprinting of corundum (ruby) from Fiskenæsset, West Greenland N. Keulen and P. Kalvig 57 Lineament mapping and geological history of the Kangerlussuaq region, southern West Greenland K.E.S. Klint, J. Engström, A. Parmenter, T. Ruskeeniemi, L.C. Liljedahl and A. Lehtinen 61 Calibration of spectral gamma-ray logs to deltaic sedimentary facies from the Cretaceous Atane Formation, Nuussuaq Basin, West Greenland G.K. Pedersen, N.H. Schovsbo and H. Nøhr-Hansen 65 A new seamless digital 1:500 000 scale geological map of Greenland M. Pedersen, W.L. Weng, N. Keulen and T.F. Kokfelt 69 Darkening of the Greenland ice sheet due to the melt-albedo feedback observed at PROMICE weather stations D. van As, R.S. Fausto, W.T. Colgan, J.E. Box and the PROMICE project team 73 Titanium minerals in Cameroon C. Knudsen, J. Penaye, M. Mehlsen, R.K. McLimans and F. Kalsbeek 66 7 Review of Survey activities 2012 Flemming G. Christiansen Deputy Director 2012 was a good and stable year for the Geological Survey of Denmark and Greenland (GEUS). Corundum in gem quality (ruby) has been known since the 1960s near Fiskenæsset in southern West Greenland and it is possible that mining will start within a few years. keywords: activities; denmark; geus; greenland; paper; southern; survey; west cache: geusb-4707.pdf plain text: geusb-4707.txt item: #97 of 222 id: geusb-4708 author: Skovbjerg Rasmussen, Erik; Utescher, Torsten; Dybkjær, Karen title: Drowning of the Miocene Billund delta, Jylland: land–sea fluctuations during a global warming event date: 2013-07-10 words: 2564 flesch: 57 summary: During the main f looding, the low-relief delta plain (similar present-day delta systems have gradients of c. 1/20  000) was f looded relatively quickly, and only up to c. 1 m of transgres- sive sediments were deposited, e.g. at Hostrup (Figs 2, 3C). The Billund delta During the Early Miocene, a delta system prograded into the eastern part of the North Sea (Fig. 1), with a sediment source in present-day Norway and central Sweden. keywords: billund; delta; fig; level; sand; sea cache: geusb-4708.pdf plain text: geusb-4708.txt item: #98 of 222 id: geusb-4709 author: Gravesen, Peter; Nilsson, Bertel; Binderup, Merete; Larsen, Tine B.; Schack Pedersen, Stig A. title: Geology, seismic activity and groundwater conditions at six potential disposal sites for radioactive waste from Risø, Denmark date: 2013-07-10 words: 2522 flesch: 56 summary: Location studies for potential disposal areas. Geological Survey of Denmark and Greenland Report 2011/51, 64 pp. Gravesen, P., Binderup, M., Nilsson, B. & Pedersen, S.A.S. 2012a: Geo- logical characterisation of potential disposal areas for radioactive waste from Risø, Denmark. keywords: area; clay; denmark; deposits; geological; groundwater; water cache: geusb-4709.pdf plain text: geusb-4709.txt item: #99 of 222 id: geusb-4710 author: Bennike, Ole; Jensen, Jørn Bo title: A Baltic Ice Lake lowstand of latest Allerød age in the Arkona Basin, southern Baltic Sea date: 2013-07-10 words: 3024 flesch: 72 summary: Geological Survey of Denmark and Greenland Bulletin 28, 2013, 17-20 17 A Baltic Ice Lake lowstand of latest Allerød age in the Arkona Basin, southern Baltic Sea Ole Bennike and Jørn Bo Jensen After the last deglaciation, the Baltic Sea underwent a com- plex salinity history and dynamic shore-level development with several lacustrine and marine stages: the Baltic Ice Lake, the Yoldia Sea, the Ancylus Lake and the Littorina Sea (Björck 1995). Meyniana 50, 155–173. Moros, M., Lemke, W., Kuijpers, A., Endler, R., Jensen, J.B., Bennike, O. & Gingele, F. 2002: Regression and transgressions of the Baltic basin re- f lected by a new high-resolution deglacial and postglacial lithostratigra- phy for Arkona Basin sediments (western Baltic Sea). keywords: baltic; basin; core; ice; jensen; lake; level; sea cache: geusb-4710.pdf plain text: geusb-4710.txt item: #100 of 222 id: geusb-4712 author: Bendixen, Carina; Jensen, Jørn Bo; Bennike, Ole ; Boldreel, Lars Ole title: Late glacial to early Holocene development of southern Kattegat date: 2013-07-10 words: 2076 flesch: 65 summary: LG1 Younger late glacial sediments LG2 Late glacial lowstand sediments Early Holocene sediments H1 Holocene sediments H2 Glacial sediments NW SE 30 40 50 60 Depth (m) Sea floor multiple 30 40 50 60 500 m At around 9.6 ka BP, a large lagoon–estuary environment in southern Kattegat was partly blocked by transgressive, coastal barrier islands and spits (Bennike et al. 2000; Jensen et al. 2002a). keywords: fig; glacial; holocene; kattegat; late; sea; sediments cache: geusb-4712.pdf plain text: geusb-4712.txt item: #101 of 222 id: geusb-4713 author: Roll Jakobsen, Peter; Wegmuller, Urs; Capes, Ren; Schack Pedersen, Stig A. title: Terrain subsidence detected by satellite radar scanning of the Copenhagen area, Denmark, and its relation to the tectonic framework date: 2013-07-10 words: 2137 flesch: 61 summary: Examples of areas with subsidence Based on the geology and records of man-made ground, there are three types of areas with potential risk of subsidence, namely areas underlain by postglacial peat deposits (amount- ing to 70 km2), large areas of man-made ground (53 km2) and small areas of reclaimed land (19.4 km2). The technique we employ is known as persistent scatterer interferometry (PSI); in Denmark, it was previously used to map areas of subsidence susceptible to f looding in the Danish part of the Wadden Sea (Vade- havet) area (Pedersen et al. 2011). keywords: areas; copenhagen; fault; fig; psi; subsidence; zone cache: geusb-4713.pdf plain text: geusb-4713.txt item: #102 of 222 id: geusb-4715 author: Randall, Mark T.; Troldborg, Lars; Refsgaard, Jens Christian; Kidmose, Jacob B. title: Assessing urban groundwater table response to climate change and increased stormwater infiltration date: 2013-07-10 words: 2695 flesch: 50 summary: Summary and conclusions Previous studies have reported groundwater level rise due to either climate change (Scibek & Allen 2006; Woldeamlak et al. 2007) or stormwater infiltration practices (Gobel et al. 2004; Maimone et al. 2011). Stormwater infiltration practices are often regarded as a form of climate change adaptation in the field of stormwater management as they can help to accommodate the higher intensity and larger volume precipitation events expected in the future. keywords: area; climate; groundwater; infiltration; model; motorway; scenarios; stormwater cache: geusb-4715.pdf plain text: geusb-4715.txt item: #103 of 222 id: geusb-4716 author: Lyngby Sørensen, Brian; Rønde Møller, Rasmus title: Evaluation of total groundwater abstraction from public waterworks in Denmark using principal component analysis date: 2013-07-10 words: 2201 flesch: 52 summary: Typical problems associated with registration of water abstraction data No data Other apparent error Unidentified No action taken. Geological Survey of Denmark and Greenland Bulletin 28, 2013, 37-40 37 Evaluation of total groundwater abstraction from public waterworks in Denmark using principal component analysis Brian Lyngby Sørensen and Rasmus Rønde Møller In Denmark water abstraction data have been collected since the late 1970s. keywords: abstraction; data; water; year cache: geusb-4716.pdf plain text: geusb-4716.txt item: #104 of 222 id: geusb-4717 author: Dahl-Jensen, Trine; Voss, Peter H.; Larsen, Tine B.; Gregersen, Søren title: Seismic activity in Denmark: detection level and recent felt earthquakes date: 2013-07-10 words: 2774 flesch: 68 summary: Fig- ure 3 illustrates the distribution of recorded events sorted by of day, and it is clear that the distribution is heavily skewed towards events in daytime hours. Inset: events in the area in the Danish North Sea with many events recorded but no known explosions. Fig. keywords: denmark; earthquakes; events; explosions; magnitude; stations cache: geusb-4717.pdf plain text: geusb-4717.txt item: #105 of 222 id: geusb-4722 author: Garde, Adam A.; Pattison, John; Kokfelt, Thomas F.; McDonald, Iain; Secher, Karsten title: The norite belt in the Mesoarchaean Maniitsoq structure, southern West Greenland: conduit-type Ni-Cu mineralisation in impact-triggered, mantle-derived intrusions? date: 2013-07-10 words: 2454 flesch: 49 summary: The Maniitsoq structure The Maniitsoq structure (Garde et al. 2012) constitutes the deeply eroded, deep-crustal remains of a giant extraterres- trial impact that struck an active magmatic arc 3 Ga ago in the north-central part of the North Atlantic craton (Fig. 1). They were emplaced close to 3.0 Ga ago (see Garde et al. 2012), and their undeformed state and occasional xenoliths of crushed orthogneiss and f luidised microbreccia document that they post-date the impact. keywords: garde; impact; mineralisation; norite cache: geusb-4722.pdf plain text: geusb-4722.txt item: #106 of 222 id: geusb-4723 author: Koppelberg, Martin; Dziggel, Annika; Schlatter, Denis Martin; Kolb, Jochen; Meyer, Franz Michael title: Geochemistry and petrology of gold-bearing hydrothermal alteration zones on Qilanngaarsuit, southern West Greenland date: 2013-07-10 words: 2511 flesch: 56 summary: Two cross sections through hydrothermal alteration zones, that locally contain up to 672 ppb Au, were mapped and sampled in detail. Geological setting Qilanngaarsuit in southern West Greenland (Fig. 1) is situat- ed in the Godthåbsfjord gold province, a c. 20 km by 150 km wide, NE-trending sector along the Ivinnguit fault system. keywords: alteration; amphibolite; fig; gold; greenland; hydrothermal; kolb; ppb; quartz cache: geusb-4723.pdf plain text: geusb-4723.txt item: #107 of 222 id: geusb-4724 author: Keulen, Nynke; Kalvig, Per title: Fingerprinting of corundum (ruby) from Fiskenæsset, West Greenland date: 2013-07-10 words: 2583 flesch: 57 summary: Geological Survey of Denmark and Greenland Bulletin 28, 2013, 53-56 53 Fingerprinting of corundum (ruby) from Fiskenæsset, West Greenland Nynke Keulen and Per Kalvig Since the late 1960s, it has been known that pink and red corundum occur in the area near Fiskenæsset (Qeqertarsuat- siaat) in southern West Greenland. Simplified geological map of the Fiskenæs- set area in southern West Greenland showing the investigated pink and red corundum (ruby) localities in the Fiskenæsset complex. keywords: complex; corundum; fig; fiskenæsset; greenland; keulen; rubies; samples; values cache: geusb-4724.pdf plain text: geusb-4724.txt item: #108 of 222 id: geusb-4725 author: Klint, Knud Erik S.; Engström, Jon; Parmenter, Andrew; Ruskeeniemi, Timo; Claesson Liljedahl, Lillemor; Lehtinen, Anne title: Lineament mapping and geological history of the Kangerlussuaq region, southern West Greenland date: 2013-07-10 words: 2528 flesch: 53 summary: Event succession of the Kangerlussuaq area compared with the general history of central West Greenland* * based on van Gool et al. (2002) and Garde & Hollis (2010) † Kangerlussuaq–Russell fault line >2.5 Ga (Archaean) Formation of ‘banded gneiss’ protoliths F1 folding + multiple healed structures c. 2.04 Lineaments with this orientation near the outer coast of central West Greenland have been related to the rift- ing between Greenland and Canada during the last 100 Ma (Wilson et al. 2006). keywords: area; fault; fig; greenland; kangerlussuaq; lineaments; slip; system cache: geusb-4725.pdf plain text: geusb-4725.txt item: #109 of 222 id: geusb-4726 author: Krarup Pedersen, Gunver; Schovsbo, Niels H.; Nøhr-Hansen, Henrik title: Calibration of spectral gamma-ray logs to deltaic sedimentary facies from the Cretaceous Atane Formation, Nuussuaq Basin, West Greenland date: 2013-07-10 words: 2769 flesch: 63 summary: Spectral gamma ray characterisation of high resolution sequence stratigraphy: examples from Upper Carbon- iferous f luvio-deltaic systems, County Clare, Ireland. Spectral gamma logs from 40 m of the core from borehole 247801. keywords: atane; delta; fig; formation; gamma; log cache: geusb-4726.pdf plain text: geusb-4726.txt item: #110 of 222 id: geusb-4727 author: Pedersen, Mikael; Weng, Willy L.; Keulen, Nynke; Kokfelt, Thomas F. title: A new seamless digital 1:500 000 scale geological map of Greenland date: 2013-07-10 words: 2295 flesch: 60 summary: As a result of the development of the Internet, the publi- cation platform for geological maps has increasingly moved from traditional paper sheets to digital publications for most geological surveys worldwide. Geological map of the Mestersvig area in central East Greenland. keywords: digital; geological; greenland; map; maps; sheets cache: geusb-4727.pdf plain text: geusb-4727.txt item: #111 of 222 id: geusb-4728 author: van As, Dirk; Fausto, Robert S.; Colgan, William T.; Box, Jason E.; PROMICE project team, * title: Darkening of the Greenland ice sheet due to the melt albedo feedback observed at PROMICE weather stations date: 2013-07-10 words: 2963 flesch: 57 summary: Greenland ice sheet albedo feedback: thermodynamics and atmo- spheric drivers. Air temperatures, besides being strongly correlated to surface melt rates, affect surface albedo by controlling the rate of snow-grain metamorphism and the fraction of summer precipitation falling as rain versus snow. keywords: air; albedo; greenland; ice; melt; promice; sheet; surface; temperature cache: geusb-4728.pdf plain text: geusb-4728.txt item: #112 of 222 id: geusb-4729 author: Knudsen, Christian; Penaye, Joseph; Mehlsen, Martin; McLimans, Roger K; Kalsbeek, Feiko title: Titanium minerals in Cameroon date: 2013-07-10 words: 2429 flesch: 54 summary: Open access: www.geus.dk/publications/bull Central African Republic Tchad Nigeria Gulf of Guinea Equatorial Guinea Gabon Congo Yaoundé Tertiary to recent volcanics Phanerozoic sediments Neoproterozoic sediments Neoproterozoic plutonic rocks Neoproterozoic metamorphic volcanics Yaoundé Group Neoproterozoic metasediments Undifferentiated gneiss Palaeoproterozoic gneiss Archaean gneiss Fig. 4 Nyo ng rive r Akonolinga 100 km 4°N National border 10°E Africa http://en.wikipedia.org/wiki/Central_Africa http://en.wikipedia.org/wiki/Mount_Cameroon http://en.wikipedia.org/wiki/French_Language http://en.wikipedia.org/wiki/English_Language 7474 sediments are believed to have been deposited on the passive margin of the Congo Craton (Nzenti et al. 1988), and avail- able isotope data suggest that the sediments that formed the precursor of the Yaoundé Group were deposited during Late Neoproterozoic time. Sediment sampling and analysis A programme combining collection of sediment samples from modern rivers and sampling of older river deposits was initiated in an area in the southern part of Cameroon (Figs 1, 4). keywords: cameroon; fig; group; neoproterozoic; rutile; sediments; yaoundé cache: geusb-4729.pdf plain text: geusb-4729.txt item: #113 of 222 id: geusb-4739 author: Lindgreen, Holger; Jakobsen, Finn title: Nano-quartz in North Sea Danian chalk date: 2012-07-10 words: 2828 flesch: 65 summary: Theories for flint formation The new theory for the formation of f lint and dispersed na- no-quartz in the North Sea by crystallisation of nano-quartz in the marine environment is totally different from the gen- erally accepted theory for f lint formation in chalk based on studies of chalk from onshore outcrops (Bromley & Ekdale 1986; Clayton 1986; Zijlstra 1987; Madsen & Stemmerik 2010). Formation of quartz particles The nano-quartz spheres are anticipated to be of a type that might crystallise in a marine environment which is slightly enriched in silicon (Williams & Crerar 1985). keywords: chalk; formation; lint; nano; north; quartz; sea cache: geusb-4739.pdf plain text: geusb-4739.txt item: #114 of 222 id: geusb-4759 author: Strand Petersen, Kaj title: The Danish Late Quaternary marine molluscs date: 2004-07-15 words: 32422 flesch: 72 summary: From the Bælt Sea, Baltic, North Sea and Vendsyssel regions also recorded from the Eemian. Mysella tumidula (Jeffreys 1867) Distribution. Furthermore, the species has been recorded from the Bælt Sea and North Sea during the Eemian. Mysella dawsoni (Jeffreys 1864) Distribution. keywords: boreal; bottoms; bælt sea; danish; distribution; finds; habitat; holocene; jensen; kattegat; limfjord; lofoten; lusitanian; mediterranean; north sea; norway north; occurrence; regions; sea regions; skagen; skagen regions; south; species; subfossil; vendsyssel regions cache: geusb-4759.pdf plain text: geusb-4759.txt item: #115 of 222 id: geusb-4760 author: Strand Petersen, Kaj title: The Skagen Well date: 2004-07-15 words: 11095 flesch: 66 summary: Also Donax vittatus occurs at 35.90–36.00 m level which must be seen as outside the general occurrence of this species, which is from littoral to around the 20 m depth Donax vittatus is found within the high en- ergy zone. At the following levels to a depth of 133 m b.s., the material is fine silt and clay. keywords: depth; finds; holocene; m b.s; m level; marine; material; sand; sediment; sequence; size; skagen; species; specimens cache: geusb-4760.pdf plain text: geusb-4760.txt item: #116 of 222 id: geusb-4762 author: Strand Petersen, Kaj title: The environmental changes within the seven regions through the Late Quaternary evaluated by the molluscan communities met with in the seven stages date: 2004-07-15 words: 14044 flesch: 56 summary: Portlandia arctica has not been recorded from the Danish Eemian, although it occurs in the beds below the Eemian in the Anholt boring (the Kattegat region), where Seidenkrantz (1993, p. 284) also has demon- strated foraminiferal zones A–D with Arctic species. The North Sea, region 5 Appendix 6 and Fig. 103 The largest amount of mollusc species within the Eemian have been recorded from the North Sea re- gion, or to be more precise from the coastal region of the North Sea. keywords: arctic; atlantic; communities; community; eemian; fig; limfjord; macoma; north; petersen; region; sea; sea region; shallow; skagen; species; subboreal; vendsyssel; water; weichselian cache: geusb-4762.pdf plain text: geusb-4762.txt item: #117 of 222 id: geusb-4764 author: Mikkelsen, Naja; Laier, Troels; Nielsen, Tove; Kuijpers, Antoon; Nørgaard-Pedersen, Niels title: Methane and possible gas hydrates in the Disko Bugt region, central West Greenland date: 2012-07-10 words: 2347 flesch: 61 summary: The cruise was part of a multidisciplinary scientific project Impact on permafrost, gas hydrates and periglacial processes following cli- mate changes in Greenland (Permagas). The worldwide amount of carbon bound in gas hydrates is conservatively estimated to total twice the amount of carbon found in all Fig. keywords: bugt; disko; fig; gas; hydrates; methane; water cache: geusb-4764.pdf plain text: geusb-4764.txt item: #118 of 222 id: geusb-4765 author: Fausto, Robert S.; van As, Dirk title: Ablation observations for 2008–2011 from the Programme for Monitoring of the Greenland Ice Sheet (PROMICE) date: 2012-07-10 words: 3004 flesch: 64 summary: By measuring on a (sub-)daily timescale, the pressure transducer assembly is well suited to monitor ice ablation in remote regions, with clear advantages over other well-estab- lished methods. The geographical distribution and annual net ablation records in Table 2 show that for all station pairs, the lower stations measure larger ablation totals than the upper ones, because the temperature decreases with elevation and the seasonal averaged surface albedo decreases towards the ice margin. keywords: ablation; greenland; ice; stations cache: geusb-4765.pdf plain text: geusb-4765.txt item: #119 of 222 id: geusb-4768 author: Frykman, Peter ; Vejbæk, Ole V. ; Bech, Niels ; Nielsen, Carsten M. title: The history of hydrocarbon filling of Danish chalk fields date: 2004-07-20 words: 2782 flesch: 56 summary: Producing chalk fields are shown, with oil fields green, and gas fields red. The situations are physically distinguishable by the dip of the gas–oil contact. keywords: chalk; fig; flow; north; oil; pressure; reservoir; water cache: geusb-4768.pdf plain text: geusb-4768.txt item: #120 of 222 id: geusb-4771 author: Nielsen, Lars Henrik ; Mathiesen, Anders ; Bidstrup, Torben title: Geothermal energy in Denmark date: 2004-07-20 words: 2647 flesch: 50 summary: However, combining the distribution of the above-described forma- tions with an estimate of where sand thickness of the forma- tions exceeds 25 m at depths of 1000–2500 m provides a useful indication of regional geothermal potential. Background Utilisation of geothermal energy is a well-established techno- logy with more than one hundred plants currently operating in Europe. keywords: basin; danish; denmark; formation; high; jurassic cache: geusb-4771.pdf plain text: geusb-4771.txt item: #121 of 222 id: geusb-4772 author: Kalvig, Per; Fold, Niels; Jønsson, Jesper Bosse; Elisaimon Mshiu, Elisante title: Rock phosphate and lime for small-scale farming in Tanzania, East Africa date: 2012-07-10 words: 2611 flesch: 61 summary: The Songwe valley area holds two potential sources for the pro- duction of local rock phosphate: carbonatite and apatite-rich residuals of carbonatite. They comprise organic fertilisers such as manure, leaf litter and sludge, and rock fertilisers such as marl, rock phosphate, volcanic rock and mica. keywords: carbonatite; geological; lime; mbeya; phosphate; rock; tanzania; van cache: geusb-4772.pdf plain text: geusb-4772.txt item: #122 of 222 id: geusb-4773 author: Rasmussen, Erik S. ; Dybkjær, Karen ; Piasecki, Stefan title: The Billund delta: a possible new giant aquifer in central and western Jutland date: 2004-07-20 words: 2145 flesch: 58 summary: The Billund delta complex is characterised by a pinchout distance of c. 2 km which in recent delta systems is a characteristic feature of wave-dominated deltas (cf. Note that the Billund delta pinches out between the Vandel Mark and the Almstok wells. keywords: billund; delta; fig; jutland; sand; seismic cache: geusb-4773.pdf plain text: geusb-4773.txt item: #123 of 222 id: geusb-4774 author: Nygaard, Erik ; Ernstsen, Vibeke ; Jacobsen, Carsten S. ; Jacobsen, Ole H. ; Juhler, René K. ; van der Keur, Peter ; Olesen, Svend E. ; Rasmussen, Jim ; Rosenberg, Per ; Vosgerau, Henrik title: Pesticide leaching in Danish groundwater: identification of vulnerable areas date: 2004-07-20 words: 2184 flesch: 46 summary: Since mapping is the key to the identification of vulnera- ble areas, emphasis has been placed on generating a set of data based on soil parameters that can be easily and relatively inex- pensively obtained. The number of soil parameters required to obtain this cor- relation vary according to pesticide type. keywords: fig; leaching; parameters; pesticides; soil; sorption cache: geusb-4774.pdf plain text: geusb-4774.txt item: #124 of 222 id: geusb-4775 author: Christiansen, Flemming G. title: Review of Survey activities 2010 date: 2011-07-15 words: 2005 flesch: 47 summary: For the full text of the GEUS copyright clause, please refer to www.geus.dk/publications/bull 3 44 Ghana Uganda Tanzania Mozambique Greenland United Kingdom Norway Faroe Islands Kenya Spain Sweden Denmark Bahrain Belgium Angola Democratic Republic of the Congo Cameroun Ethiopia Nigeria Bolivia Brazil Togo Mauritius Malawi Namibia Botswana Lesotho South Africa Zimbabwe Zambia Yemen Swaziland Seychelles Germany The Netherlands 7 Review of Survey activities 2010 F.G. Christiansen 9 Shale gas investigations in Denmark: Lower Palaozoic shales on Bornholm N.H. Schovsbo, A.T. Nielsen, K. Klitten, A. Mathiesen and P. Rasmussen 13 Mapping porosity anomalies in deep Jurassic sandstones – an example from the Svane-1A area, Danish Central Graben T. Abramovitz 17 Differentiation of Palaeogene sand by glauconitic and geochemical fingerprinting, Siri Canyon, Danish North Sea M. Olivarius, C. Knudsen and J.B. Svendsen 21 Geological characterisation of potential disposal areas for radioactive waste from Risø, Denmark P. Gravesen, M. Binderup, B. Nilsson and S.A.S. Pedersen 25 A digital, spatial, geological model of the Miocene in Jylland, Denmark M. Kristensen, T. Vangkilde-Pedersen and E.S. Rasmussen 29 A new Middle Pleistocene interglacial sequence from Måløv, Sjælland, Denmark O. Bennike, E. Lindgård, H.J. Granat, R.C. Preece and F. Viehberg 33 Mapping of raw materials and habitats in the Danish sector of the North Sea J.B. Jensen, S. Borre, J.O. Leth, Z. Al-Hamdani and L.G. Addington 37 Postglacial, relative shore-level changes in Lillebælt, Denmark O. Bennike and J.B. Jensen 41 Detection of terrain changes in southern Denmark using persistent scatterer interferometry S.A.S. Pedersen, G. Cooksley, M. Gaset and P.R. Jakobsen 45 Does road salt affect groundwater in Denmark? Geological Survey of Denmark and Greenland Bulletin 23, 2011, 1–8 1 GEOLOGICAL SURVEY OF DENMARK AND GREENLAND BULLETIN 23 • 2011 Review of Survey activities 2010 Edited by Ole Bennike, Adam A. Garde and W. Stuart Watt GEOLOGICAL SURVEY OF DENMARK AND GREENLAND MINISTRY OF CLIMATE AND ENERGY 22 Geological Survey of Denmark and Greenland Bulletin 23 Key words Geological Survey of Denmark and Greenland, survey organisations, current research, Denmark, Greenland. keywords: activities; data; denmark; geus; greenland; north; paper; sea; survey cache: geusb-4775.pdf plain text: geusb-4775.txt item: #125 of 222 id: geusb-4776 author: Aamand, Jens ; Bruun, Leif ; Vöge Christensen, Bo title: Immunological analysis of pesticides: a new tool in groundwater testing date: 2004-07-20 words: 2709 flesch: 48 summary: Quantitative microarray pesticide analysis. Development of monoclonal pesticide antibodies is initiated by covalent conjugation of the pesticide to a carrier protein. keywords: aamand; analysis; antibodies; antibody; bruun; pesticide cache: geusb-4776.pdf plain text: geusb-4776.txt item: #126 of 222 id: geusb-4777 author: Jacobsen, Carsten S. ; de Lipthay, Julia R. ; Bender, Mikkel ; Fredslund, Line ; Johnsen, Anders R. ; Johnsen, Kaare title: Direct analysis of microbial populations in soil and freshwater aquifers using nucleic acid based techniques date: 2004-07-20 words: 3084 flesch: 48 summary: This was further demonstrated by greatly increased populations of pesticide degraders inside the pesti- cide plume, both when enumerated by cultivation, and when quantified by the number of pesticide genes (tfdABC) detected by PCR methods (Fig. 4B, treatment 1 and 2). Microbial changes in aquifers contaminated with phenoxyalcanoic acid herbicides This section focuses on specific genes of interest rather than on organisms. keywords: 2,4; acid; dna; fig; genes; mrna; pcr; soil cache: geusb-4777.pdf plain text: geusb-4777.txt item: #127 of 222 id: geusb-4796 author: Kalsbeek, Feiko ; Hermansen, Bjørn ; Knudsen, Christian ; Thorning, Leif ; Thorsen, Marianne title: Co-operation with the Geological Survey Department of Ghana date: 2004-07-20 words: 2742 flesch: 55 summary: GEUS helped train GSD staff in the application of GIS in map production. In this context major parts of GEUS’ efforts under the project have been directed to practical on-the-job training of GSD personnel. keywords: geus; ghana; gsd; hirdes; mapping; project; survey cache: geusb-4796.pdf plain text: geusb-4796.txt item: #128 of 222 id: geusb-4797 author: Nielsen, Lars Henrik ; Abatzis, Ioannis title: Petroleum potential of sedimentary basins in Vietnam: long-term geoscientific co-operation with the Vietnam Petroleum Institute date: 2004-07-20 words: 2510 flesch: 50 summary: Analyses of the seismic facies and geometry of the sequences suggest a variety of sandy depositional environ- ment, such as fluvial channels, shorefaces and basin floor fans that may all form potential reservoirs for hydrocarbons gen- erated from syn-rift lacustrine source rocks. Seismic facies analyses together with investigations of ther- mally immature potential source rocks at localities in the Song Hong Basin where inversion structures expose oil-prone Oligocene lacustrine mudstones and thin coals, led to the identification of areas for future hydrocarbon exploration (Petersen et al. 2001, in press). keywords: basin; fig; nielsen; oil; petroleum; potential; song; vietnam cache: geusb-4797.pdf plain text: geusb-4797.txt item: #129 of 222 id: geusb-4801 author: Therkelsen, Jens ; Surlyk, Finn title: The fluviatile Bristol Elv Formation, a new Middle Jurassic lithostratigraphic unit from Traill Ø, North-East Greenland date: 2004-11-01 words: 4822 flesch: 60 summary: Geological Survey of Denmark and Greenland Bulletin 6, 19-29 19 The fluviatile Bristol Elv Formation, a new Middle Jurassic lithostratigraphic unit from Traill Ø, North-East Greenland Jens Therkelsen and Finn Surlyk A new lithostratigraphic unit, the Bristol Elv Formation, is erected in this paper. Bristol Elv Formation new formation History. keywords: bjerge; bristol; cross; east; elv; fig; formation; greenland; jurassic; sandstones cache: geusb-4801.pdf plain text: geusb-4801.txt item: #130 of 222 id: geusb-4802 author: Olivarius, Mette; Knudsen, Christian; Svendsen, Johan B. title: Differentiation of Palaeogene sand by glauconitic and geochemical fingerprinting, Siri Canyon, Danish North Sea date: 2011-07-15 words: 2606 flesch: 64 summary: The purpose was moreover to evaluate whether cuttings samples can be used for fingerprinting as an alterna- tive to core samples. All sam- ples of the cuttings except four are, on this basis, interpreted as Kolga Member. keywords: cuttings; glauconite; grains; kolga; member; samples; sand; tyr cache: geusb-4802.pdf plain text: geusb-4802.txt item: #131 of 222 id: geusb-4809 author: Piasecki, Stefan ; Stemmerik, Lars title: Jurassic dinoflagellate cysts from Hochstetter Forland, North-East Greenland date: 2004-11-01 words: 4489 flesch: 54 summary: Piasecki, S., Larsen, M., Therkelsen, J. & Vosgerau, H. 2004b: Jurassic dinoflagellate cyst stratigraphy of Hold with Hope, North-East Greenland. Relative sea-level changes recorded by paralic liptinite-enriched coal facies cycles, Mid- dle Jurassic Muslingebjerg Formation, Hochstetter Forland, Northeast Greenland. keywords: assemblage; cysts; dinoflagellate; east; fig; forland; formation; greenland; hochstetter; jurassic; spp cache: geusb-4809.pdf plain text: geusb-4809.txt item: #132 of 222 id: geusb-4810 author: Piasecki, Stefan ; Callomon, John H. ; Stemmerik, Lars title: Jurassic dinoflagellate cyst stratigraphy of Store Koldewey, North-East Greenland date: 2004-11-01 words: 8035 flesch: 59 summary: Piasecki, S., Larsen, M., Therkelsen, J. & Vosgerau, H. 2004: Jurassic dinoflagellate cyst stratigraphy of Hold with Hope, GEUS Bulletin Piasecki, S. 1980: Middle to Late Jurassic dinoflagellate cyst stra- tigraphy from Milne Land (East Greenland) correlated with ammonite stratigraphy, 167 pp. keywords: assemblages; chronozone; cyst; dinoflagellate; east; formation; greenland; jurassic; koldewey; middle; north; piasecki; species; store; succession cache: geusb-4810.pdf plain text: geusb-4810.txt item: #133 of 222 id: geusb-4811 author: Bo Jensen, Jørn ; Borre, Sara; Leth, Jørgen O.; Al-Hamdani, Zyad ; Addington, Laura G. title: Mapping of raw materials and habitats in the Danish sector of the North Sea date: 2011-07-15 words: 2416 flesch: 64 summary: Eemian marine silt and sand Weichselian till Weichselian glaciofluvial sand and gravel Weichselian sandur silt and sand Late glacial marine silt and sand Early Holocene valley fill Border of deep valley Holocene marine sand and gravel 7°E 57°N 56°30´N 20 km 2000600010 00014 000 D e p th ( m ) A close link is also seen between giant sand ridges and the Natura 2000 code 1110 sand bank type. keywords: area; deposits; fig; holocene; phase; sand; sea cache: geusb-4811.pdf plain text: geusb-4811.txt item: #134 of 222 id: geusb-4814 author: Higgins, A.K. title: Colophon, content and preface date: 2004-12-30 words: 846 flesch: 54 summary: Geological Survey of Denmark and Greenland Bulletin 6, 1-4 1 GEOLOGICAL SURVEY OF DENMARK AND GREENLAND BULLETIN 6 · 2004 East Greenland Caledonides: stratigraphy, structure and geochronology Edited by A.K. Higgins and Feiko Kalsbeek GEOLOGICAL SURVEY OF DENMARK AND GREENLAND MINISTRY OF THE ENVIRONMENT GEUS Bulletin 6.pmd 10-02-2005, 09:531 2 Geological Survey of Denmark and Greenland Bulletin 6 Keywords Caledonides, East Greenland, geochronology, stratigraphy, structure. The series Geological Survey of Denmark and Greenland Bulletin replaces Geology of Denmark Survey Bulletin and Geology of Greenland Survey Bulletin. keywords: bulletin; denmark; greenland; survey cache: geusb-4814.pdf plain text: geusb-4814.txt item: #135 of 222 id: geusb-4815 author: Smith, M. Paul ; Rasmussen, Jan Audun ; Robertson, Steve ; Higgins, A.K. ; Leslie, A. Graham title: Lower Palaeozoic stratigraphy of the East Greenland Caledonides date: 2004-12-30 words: 13398 flesch: 60 summary: 2. FS, Fyns Sø Formation (Hagen Fjord Group); KH, Kap Holbæk Formation; M, glacial sediments of the Morænesø Forma- tion; PLF/KCM, quartz arenite sandstone sheet assigned to the Permin Land Formation and the Kap Coppinger Member; RG, Rivieradal Group (see Smith et al. 2004, this volume); TIG, Tavsens Iskappe Group. Above the lower black shale/carbonate unit, the Lauge Koch Land Formation is more typically devel- oped. keywords: bulletin; caledonian; cambrian; east; east greenland; fig; fjord; formation; greenland; group; higgins; holbæk; kap; lower; målebjerg; north; north greenland; ordovician; peel; smith; thrust; unit cache: geusb-4815.pdf plain text: geusb-4815.txt item: #136 of 222 id: geusb-4816 author: Smith, M. Paul ; Higgins, A.K. ; Soper, N.J. ; Sønderholm, Martin title: The Neoproterozoic Rivieradal Group of Kronprins Christian Land, eastern North Greenland date: 2004-12-30 words: 6545 flesch: 60 summary: ESTIMA TED O VERBUR DEN ST VT SPT Spærregletscher thrust Vandredalen thrust Sole thrust RG IF CB HF O–S Ordovician–Silurian Hagen Fjord Group Rivieradal Group Crystalline basement Independence Fjord Group and associated volcanic rocks 5 km 0 10 20 km HF PRESENT DAY RG CB CB IF IF IF IF CB CB HEKLA SUND BASIN Rivieradal Group succession) A B WNW ESE Conglomerate Hekla Sund basin (Rivieradal Group) Sandstone Mudstone and calcareous mudstone GEUS Bulletin 6.pmd 10-02-2005, 09:5432 33 Haller (1961, 1971) erected the Hagen Fjord Group for Proterozoic sediments of the autochthon and allochthon in Kronprins Christian Land, including volcanic rocks now referred to the Zig-Zag Dal Basalt Formation, Hekla Sund Formation and Aage Berthel- sen Gletscher Formation, and Lower Cambrian car- bonates now referred to the Portfjeld Formation. km ST HF IF O–S O–S O– S HF VT VT O–S UPPER ALLOCHTHON– higher thrust sheets comprising Ordovician–Silurian, Hagen Fjord Group, Rivieradal Group (distal part of Hekla Sund basin), Independence Fjord Group and associated volcanic rocks and crystalline basement. keywords: basin; eastern; fig; fjord; formation; greenland; group; higgins; north; rivieradal; sandstones; section; sheet; succession; thrust; vandredalen cache: geusb-4816.pdf plain text: geusb-4816.txt item: #137 of 222 id: geusb-4817 author: Higgins, A.K. ; Soper, N.J. ; Smith, M. Paul ; Rasmussen, Jan A. title: The Caledonian thin-skinned thrust belt of Kronprins Christian Land, eastern North Greenland date: 2004-12-30 words: 9810 flesch: 62 summary: Carboniferous–Cretaceous sediments Devonian – continental sediments Late to post-kinematic granites Neoproterozoic–Ordovician sediments (East Greenland) Neoproterozoic–Silurian sediments (eastern North Greenland) Palaeo-Mesoproterozoic sediments and basalts (eastern North Greenland) Crystalline complexes and sediments (Archaean–Mesoproterozoic) Neoproterozoic–Silurian sediments (North Greenland) Palaeo-Mesoproterozoic sediments and basalts (eastern North Greenland) Mainly crystalline rocks – parautochthonous windows Thrust Fault/shear zone Tectonic zone boundary POST-CALEDONIAN LATE TO POST-CALEDONIAN CALEDONIAN OROGENIC BELT CALEDONIAN FORELAND ▲ ▲ Fig. 2 Hamberg Gletscher foreland Dronning Louise Land Charcot Land window Målebjerg window Gåseland window C A LE D O N IA N SO LE T H R U ST IN LA N D IC E M A R G IN A L T H R U S T B E L T T H IC K S K IN N E D T H R U S T B E L T Eleonore Sø window ▲ ▲ ▲ Fig. 1. In the foot wall of the Vandredalen thrust, as else- where in eastern North Greenland, the Hagen Fjord Group rests directly on Independence Fjord Group lithologies, locally with an intervening basal clastic unit. keywords: belt; caledonian; east; eastern; fig; fjord; formation; greenland; group; kronprins; north; north greenland; section; sheet; thrust; vandredalen; west cache: geusb-4817.pdf plain text: geusb-4817.txt item: #138 of 222 id: geusb-4818 author: Thrane, Kristine title: Palaeoproterozoic age of a basement gneiss complex in the Charcot Land tectonic window, East Greenland Caledonides date: 2004-12-30 words: 6248 flesch: 62 summary: These units are cut by two major granitoid intrusions which crop out widely in central Charcot Land (Fig. 2); one is a horn- blende-biotite quartz diorite to granodiorite body and the other a pegmatitic muscovite granite. The Charcot Land supracrustal sequence of south- ernmost Charcot Land is characterised by greenschist facies metamorphism. keywords: basement; caledonian; charcot; east; east greenland; fig; greenland; higgins; land; north; window cache: geusb-4818.pdf plain text: geusb-4818.txt item: #139 of 222 id: geusb-4819 author: Thrane, Kristine title: Reconnaissance Pb-Pb dating of single mineral phases by the step-leaching method: results from the Caledonides of East Greenland date: 2004-12-30 words: 5652 flesch: 65 summary: In: Frederiksen, K.S. & Thrane, K. (eds): Second symposium on East Greenland geology, mainly Caledonian. The titanite yielded a date of 486 ± 15 Ma which, if interpreted as a true age, is older than the usual range of Caledonian ages in East Greenland. keywords: caledonian; date; east; garnet; greenland; kyanite; step cache: geusb-4819.pdf plain text: geusb-4819.txt item: #140 of 222 id: geusb-4820 author: Higgins, A.K. ; Leslie, A. Graham title: The Eleonore Sø and Målebjerg foreland windows, East Greenland Caledonides, and the demise of the ‘stockwerke’ concept date: 2004-12-30 words: 10937 flesch: 57 summary: The geology of the Cambro- Ordovician rocks of central East Greenland. Late Precambrian glacia- tion of central East Greenland. keywords: caledonian; caledonides; east; east greenland; eleonore; fig; fjord; foreland; geological; greenland; haller; higgins; målebjerg; region; rocks; thrust; window cache: geusb-4820.pdf plain text: geusb-4820.txt item: #141 of 222 id: geusb-4821 author: Sørensen, Kai title: Review of Survey activities 2004 date: 2005-07-29 words: 1548 flesch: 47 summary: The series Geological Survey of Denmark and Greenland Bulletin replaces Geology of Denmark Survey Bulletin and Geology of Greenland Survey Bulletin. The Survey’s activities in Greenland in 2004 were concen- trated in West Greenland. keywords: activities; bulletin; denmark; geus; greenland; north; survey cache: geusb-4821.pdf plain text: geusb-4821.txt item: #142 of 222 id: geusb-4822 author: Petersen, Henrik I. title: Oil generation from coal source rocks: the influence of depositional conditions and stratigraphic age date: 2005-07-29 words: 2931 flesch: 54 summary: The coals were formed on marine-influenced coastal Geological Survey of Denmark and Greenland Bulletin 7, 9–12 (2005) © GEUS, 2005 Oil generation from coal source rocks: the influence of depositional conditions and stratigraphic age Henrik I. Petersen C e n o zo ic Ju ra ss ic P e rm ia n C ar b o n if e ro u s > 1% sulphur (d.a.f.) This enhanced understanding of oil generation from coal source rocks is being directly employed by GEUS in petroleum geological projects that are being car- ried out, for example, in Vietnam (cf. keywords: carboniferous; coals; generation; oil; petroleum; potential; source; window cache: geusb-4822.pdf plain text: geusb-4822.txt item: #143 of 222 id: geusb-4823 author: Japsen, Peter ; Bruun, Anders ; Fabricius, Ida L. ; Mavko, Gary title: Identification of hydrocarbons in chalk reservoirs from surface seismic data: South Arne field, North Sea date: 2005-07-29 words: 2884 flesch: 62 summary: The AVO attributes were calculated from the angle-dependent impedance inver- sions combined with information on the absolute level of chalk velocity which is not contained in the seismic data (Bach et al. 2003). The South Arne field is located in the central North Sea and chalk porosities of up to 45% are found in the reser- voir at almost 3 km depth (Fig. 1). keywords: chalk; data; fig; log; poisson; porosity; properties cache: geusb-4823.pdf plain text: geusb-4823.txt item: #144 of 222 id: geusb-4825 author: Schiøler, Poul ; Andsbjerg, Jan ; Clausen, Ole R. ; Dam, Gregers ; Dybkjær, Karen ; Hamberg, Lars ; Heilmann-Clausen, Claus ; Kristensen, Lars E. ; Prince, Iain ; Rasmussen, Jan A. title: A revised lithostratigraphy for the Palaeogene – lower Neogene of the Danish North Sea date: 2005-07-29 words: 2615 flesch: 58 summary: Diagram showing the correlation between key lithostratigraphic schemes for the Central Graben and eastern North Sea. All of the widespread Palaeogene mudstone units in the North Sea have previously been formally established in Norwegian or British wells, and no reference sections exist in the Danish sector. keywords: danish; denmark; fig; formation; group; north; sandstone; sea; units cache: geusb-4825.pdf plain text: geusb-4825.txt item: #145 of 222 id: geusb-4826 author: Gregersen, Søren ; Glendrup, Martin ; Larsen, Tine B. ; Voss, Peter ; Rasmussen, Hans Peter title: Seismology: neotectonics and structure of the Baltic Shield date: 2005-07-29 words: 2391 flesch: 61 summary: Earthquakes are always related to fault activity, but at- tempts to link recent earthquakes occurring in and around Denmark to geologically known faults have only been partly successful (Gregersen et al. 1996). Recomputation of earthquake locations The computer program hitherto used in Denmark for com- puting earthquake locations (HYPOLG) is a modified ver- sion of the globally distributed location program (HYPO71) from the United States Geological Survey (Lee & Lahr 1972; Gregersen 1979). keywords: denmark; earthquakes; fig; gregersen; shield cache: geusb-4826.pdf plain text: geusb-4826.txt item: #146 of 222 id: geusb-4827 author: Knudsen, Christian ; Frei, Dirk ; Rasmussen, Thomas ; Rasmussen, Erik S. ; McLimans, Roger title: New methods in provenance studies based on heavy minerals: an example from Miocene sands in Jylland, Denmark date: 2005-07-29 words: 2294 flesch: 52 summary: Heavy mineral enrichment has been found in beach sands of what were barrier islands (Odderup Formation and Bastrup sand) and in offshore storm sand deposits (Stauning sand, Figs 1, 2; Knudsen 1998; Fisher 2003). The final separation step is 31 Odderup Fm (Sønder Omme) Odderup Fm (Vorslunde) Stauning sand (Stauning) keywords: denmark; fig; formation; mineral; odderup; sand; stauning cache: geusb-4827.pdf plain text: geusb-4827.txt item: #147 of 222 id: geusb-4828 author: Stockmarr, Jens title: Groundwater quality monitoring in Denmark date: 2005-07-29 words: 2210 flesch: 56 summary: The Danish groundwater monitoring programme com- prises water supply well monitoring, the groundwater moni- toring network and agricultural watershed monitoring (Figs 1, 2) and is described on www.groundwater.dk. Occurrence of pesticides and metabolites in water supply and groundwater monitoring wells versus depth to top of well screen, 1998– 2003 as percentage of number of screens investigated. keywords: fig; groundwater; monitoring; nitrate; wells cache: geusb-4828.pdf plain text: geusb-4828.txt item: #148 of 222 id: geusb-4829 author: Jacobsen, Carsten Suhr ; Elmholt, Susanne ; Bagge Jensen, Carsten ; Bach Jakobsen, Pia ; Bender, Mikkel title: Steam treatment of contaminated groundwater aquifers – development of pathogenic micro-organisms in soil date: 2005-07-29 words: 1947 flesch: 52 summary: Microbial activity in soils following steam treatment. A few results from the literature indicate that the micro- bial activity increases in steam treated soil (Richardson et al. 2002), probably due to microbial degradation of the soil con- taminants in combination with microbial utilisation of heat- killed organisms. keywords: heat; microbial; organisms; soil; steam; treatment cache: geusb-4829.pdf plain text: geusb-4829.txt item: #149 of 222 id: geusb-4831 author: Jensen, Jørn Bo ; Bennike, Ole ; Lemke, Wolfram ; Kuijpers, Antoon title: The Storebælt gateway to the Baltic date: 2005-07-29 words: 2377 flesch: 60 summary: Geological Survey of Denmark and Greenland Bulletin 7, 2004, p 45-48 45 The present-day Storebælt (Great Belt), the waterway be- tween the islands of Fyn and Sjælland (Fig. 1), contains deep- ly incised valleys, locally more than 50 m deep, and is of crucial importance to the water exchange between the fully marine Kattegat and the brackish Baltic Sea. The BALKAT project The late and post-glacial evolution of the south-western Baltic Sea has been studied in detail during the past 15 years as part of the multi-disciplinary BALKAT project, a co-operation between the Geo- logical Survey of Denmark and Green- land (GEUS), the Baltic Sea Research In- stitute in Warnemünde, and other part- ners (Jensen et al. 2002). keywords: area; baltic; lake; sea; storebælt; threshold cache: geusb-4831.pdf plain text: geusb-4831.txt item: #150 of 222 id: geusb-4832 author: Nielsen, Anne Birgitte title: Quantifying the relationship between pollen sedimentation in lakes and land cover using historical maps date: 2005-07-29 words: 2899 flesch: 51 summary: Vegetation structure and pollen source area. A model of pollen source area for an entire lake surface. keywords: area; denmark; model; nielsen; pollen; sites; sugita; vegetation cache: geusb-4832.pdf plain text: geusb-4832.txt item: #151 of 222 id: geusb-4834 author: Bennike, Ole; Jensen, Jørn Bo title: Postglacial, relative shore-level changes in Lillebælt, Denmark date: 2011-07-15 words: 2536 flesch: 72 summary: The Younger Dryas sequence that consists of fine- grained laminated clay and silt is followed by a hiatus which was probably formed during the final drainage of the Baltic Ice Lake, when shore level dropped around 25 m over a few years (Björck 1995). The Baltic Ice Lake may also have extended into southern Lillebælt. keywords: cal; holocene; lake; level; lillebælt; marine; years cache: geusb-4834.pdf plain text: geusb-4834.txt item: #152 of 222 id: geusb-4837 author: Kristiansen, Søren M.; Christensen, Flemming D.; Hansen, Birgitte title: Does road salt affect groundwater in Denmark? date: 2011-07-15 words: 2580 flesch: 55 summary: The aquifer used for water supply may be degraded because of the accumulated impact from several Cl sources such as road salt, residual salt groundwater and recent seawater intrusion. In arid regions near present-day coastlines, where old seawater occurs in deeper sediments and where road salt is frequently used, Cl can be a significant pollutant (European Environmental Agency 2009). keywords: danish; denmark; fig; groundwater; road; salt; sources cache: geusb-4837.pdf plain text: geusb-4837.txt item: #153 of 222 id: geusb-4839 author: Thorning, Leif ; Christensen, Lisbeth Aa. ; Møller Nielsen, Bo ; Schjøth, Frands ; Stendal, Henrik title: On-line presentation of mineral occurrences in Greenland date: 2005-07-29 words: 1640 flesch: 52 summary: GIS interface to on-line Greenland Mineral Occurrence Map The GMOM database is the source of information for the on-line Greenland Mineral Occurrence Map. In 2004, a new source of geoscience infor- mation was developed based on an interactive GIS facility on the Internet, and mineral exploration data and information from a region in central West Greenland are now accessible at the Greenland Mineral Occurrence Map (GMOM) web- site at GEUS (Fig. 1; www.geus.dk/gmom). keywords: data; gmom; greenland; map; mineral cache: geusb-4839.pdf plain text: geusb-4839.txt item: #154 of 222 id: geusb-4840 author: Larsen, Tine B.; Voss, Peter H.; Dahl-Jensen, Trine; Gregersen, Søren title: Comprehensive Nuclear-Test-Ban Treaty – a peace-keeping initiative with scientific impact date: 2011-07-15 words: 2764 flesch: 63 summary: Seismic noise can be reduced significantly in earthquake data recorded by an array by summing the signals recorded at the sensors, thus enabling the detection of smaller events than is possible on a station with just one sensor. Earthquake depth analysed using CTBTO array data For several decades we have supplemented with data from seismic stations in the countries around Denmark and Greenland to help detect and localise earthquakes. keywords: array; data; denmark; depth; earthquake; greenland; seismic cache: geusb-4840.pdf plain text: geusb-4840.txt item: #155 of 222 id: geusb-4863 author: Glassley, William E. title: Mineralogical and thermodynamic constraints on Palaeogene palaeotemperature conditions during low-grade metamorphism of basaltic lavas recovered from the Lopra-1/1A deep hole, Faroe Islands date: 2006-05-31 words: 7350 flesch: 52 summary: no 9 - 7 juli.pmd 07-07-2006, 14:19109 110 complex sequence of zeolite minerals that have increas- ingly smaller amounts of molecular water bound in their structures (Bird et al. 1984; Neuhoff & Bird 2001). The purpose of this paper is to define likely bounds for bottom-hole temperatures and the likely geothermal gra- dient active at the time of mineral development, based on paragenetic relationships and thermodynamic constraints, taking into account the effects of fluid chemistry. keywords: conditions; data; depth; fluid; laumontite; lopra-1/1a; low; mineral; prehnite; range; systems; temperature cache: geusb-4863.pdf plain text: geusb-4863.txt item: #156 of 222 id: geusb-4864 author: Konnerup-Madsen, Jens title: A reconnaissance study of fluid inclusions in fracture-filling quartz and calcite from the Lopra-1/1A well, Faroe Islands date: 2006-05-31 words: 2136 flesch: 49 summary: A reconnaissance study of fluid inclusions in fracture-filling quartz and calcite from the Lopra-1/1A well, Faroe Islands 119© GEUS, 2006. Available at: www.geus.dk/publications/bull A reconnaissance study of fluid inclusions in fracture-filling quartz and calcite from the Lopra-1/1A well, Faroe Islands Jens Konnerup-Madsen Fracture-filling calcite and quartz from the Lopra-1/1A well (at 2380 m and 3543 m depth) contains both aqueous low-salinity fluid inclusions and hydrocarbon-dominated fluid inclusions. keywords: calcite; fluid; inclusions; quartz cache: geusb-4864.pdf plain text: geusb-4864.txt item: #157 of 222 id: geusb-4865 author: Jørgensen, Ole title: The regional distribution of zeolites in the basalts of the Faroe Islands and the significance of zeolites as palaeotemperature indicators date: 2006-05-31 words: 17512 flesch: 83 summary: The variation in relative frequency of minerals reflects the regional shift in the distribution of mineral zones. Stratigraphic position and thickness of mineral zones (see Fig. 4) ME zone† Thickness in metres CH–TH zone Thickness in metres ST-HE zone Thickness in metres * Stratigraphic height within the exposed lava pile of the Faroe Islands. keywords: 0–1; 2–3; basalt; ch zone; distribution; exposure; heulandite; islands; mesolite; minerals; stilbite; vesicles; zeolite; zone; zone st cache: geusb-4865.pdf plain text: geusb-4865.txt item: #158 of 222 id: geusb-4866 author: Garde, Adam A. title: Colophon, Contents, Review of Survey activities date: 2006-11-29 words: 1611 flesch: 54 summary: The series Geological Survey of Denmark and Greenland Bulletin replaces Geology of Denmark Survey Bulletin and Geology of Greenland Survey Bulletin. Archetypal kimberlite from the Maniitsoq region, southern West Greenland and analogy to South Africa T.F.D. Nielsen, M. Jebens, S.M. Jensen and K. Secher 49. keywords: activities; bulletin; denmark; geological; geus; greenland; survey; west cache: geusb-4866.pdf plain text: geusb-4866.txt item: #159 of 222 id: geusb-4868 author: Guarnieri, Pierpaolo title: Analysis of Palaeogene strike-slip tectonics along the southern East Greenland margin (Sødalen area) date: 2011-07-15 words: 2499 flesch: 59 summary: Faults – Two main trends of fault traces, up to 2 km long, can be followed on the vertical aerial photographs (Fig. 2B). The kinematic analysis highlights oblique and left-lateral strike-slip movements along faults oriented 120°. keywords: east; faults; fig; greenland; slip; strike cache: geusb-4868.pdf plain text: geusb-4868.txt item: #160 of 222 id: geusb-4870 author: Ineson, Jon R. ; Buchardt, Bjørn ; Lassen, Susanne ; Rasmussen, Jan A. ; Schiøler, Poul ; Schovsbo, Niels H. ; Sheldon, Emma ; Surlyk, Finn title: Stratigraphy and palaeoceanography of upper Maastrichtian chalks, southern Danish Central Graben date: 2006-11-29 words: 2759 flesch: 46 summary: lower chalks represents an alternation of thin (millimetre- scale) chalk turbidites and hemipelagites; preservation of this primary sedimentary layering is thought to relate to low lev- els of oxygen on the sea floor (Damholt & Surlyk 2004). Breakdown of this rhythmically stratified system accompanied a long-term gradual fall in sea level, perhaps reflecting a depth-related threshold beyond which stratification was no longer favoured. keywords: central; chalks; fig; graben; level; maastrichtian; sea cache: geusb-4870.pdf plain text: geusb-4870.txt item: #161 of 222 id: geusb-4904 author: Schack Pedersen, Stig A.; Gravesen, Peter title: Tectonic control on the formation of Roskilde Fjord, central Sjælland, Denmark date: 2016-07-15 words: 2598 flesch: 62 summary: Open access: www.geus.dk/publications/bull Roskilde Fjord is a characteristic N–S-trending geomor- phological element in north-east Sjælland (Fig. 1). The description is based on several years’ studies of the Roskilde Fjord fault complex and presented here due to the recent interest in neotectonics in Denmark and environmental considerations focused on Roskilde Fjord (Gravesen & Pedersen 2005). keywords: area; east; fault; fig; fjord; formation; ice; roskilde; till cache: geusb-4904.pdf plain text: geusb-4904.txt item: #162 of 222 id: geusb-4909 author: Pedersen, Asger Ken ; Melchior Larsen, Lotte ; Krarup Pedersen, Gunver ; Dueholm, Keld S. title: Five slices through the Nuussuaq Basin, West Greenland date: 2006-11-29 words: 2742 flesch: 56 summary: The Nuussuaq Basin is the only one of these basins that extends into the onshore areas where Late Creta- ceous to Paleocene sediments overlain by volcanic rocks can be studied in detail. The Paleocene sediments are contemporaneous with volcanic rocks in the western part of the basin; the first volcanic unit to reach so far east was the middle part of the Rinks Dal Member of the Maligât Formation. keywords: geological; greenland; nuussuaq; pedersen; volcanic; west cache: geusb-4909.pdf plain text: geusb-4909.txt item: #163 of 222 id: geusb-4910 author: Larsen, Tine B. ; Dahl-Jensen, Trine ; Voss, Peter ; Møller Jørgensen, Thomas ; Gregersen, Søren ; Rasmussen, Hans Peter title: Earthquake seismology in Greenland – improved data with multiple applications date: 2006-11-29 words: 2649 flesch: 55 summary: For location of Greenland stations see Fig. In 2005 Geocenter Copenhagen funded a joint research project on glacial earthquakes involving GEUS and the Institute of Geography, University of Copenhagen. keywords: data; denmark; earthquakes; fig; greenland; project; seismographs cache: geusb-4910.pdf plain text: geusb-4910.txt item: #164 of 222 id: geusb-4911 author: Mikkelsen, Naja ; Nørgaard-Pedersen, Niels ; Kristoffersen, Yngve ; Juul Lassen, Susanne ; Sheldon, Emma title: Radical past climatic changes in the Arctic Ocean and a geophysical signature of the Lomonosov Ridge north of Greenland date: 2006-11-29 words: 1912 flesch: 55 summary: An unexplored area The reduction and thinning of Arctic sea ice in recent decades (e.g. Rothrock et al. 1999; ACIA 2004) has drawn attention to whether these environmental changes are an early reaction to global warming, or whether they are part of a long-term variation of the Arctic environment. N., Mikkelsen, N., Lassen, S.J., Kristoffersen, Y. & Sheldon, E. in press: Arctic Ocean sediment cores off northern Green- land reveal reduced sea-ice concentrations during the last interglacial period. keywords: arctic; cover; ice; ocean; ridge; sea; sediment cache: geusb-4911.pdf plain text: geusb-4911.txt item: #165 of 222 id: geusb-4912 author: Tychsen, John ; Geertz-Hansen, Ole ; Kofoed, Jesper title: KenSea – development of an environmental sensitivity atlas for coastal areas of Kenya date: 2006-11-29 words: 2362 flesch: 53 summary: The mudflats are sen- sitive to oil spills since they are difficult to clean mechanically without mixing the oil into the sediment. Planning the clean-up operation and avoiding post-spill damage The goal of oil spill response is to minimise the overall impacts on natural and economic resources as well as cultural assets, but some aspects will be of greater concern than others. keywords: atlas; coastal; development; kensea; kenya; oil; sensitivity cache: geusb-4912.pdf plain text: geusb-4912.txt item: #166 of 222 id: geusb-4913 author: Garde, Adam A. ; Kalsbeek, Feiko title: Colophon, contents, preface date: 2006-12-05 words: 2656 flesch: 48 summary: 179 Faults and fractures in central West Greenland: onshore expression of continental break-up and sea-floor spreading in the Labrador – Baffin Bay Sea R.W. Wilson, K.E.S. Klint, J.A.M. van Gool, K.J.W. McCaffrey, R.E. Holdsworth and J. A. Chalmers . . . . . . . . . The only previous economic geological study of regional extent in central West Greenland was an airborne recon- naissance study supplemented by local field work, which was carried out in the early 1960s by Kryolitselskabet Øresund A/S. This work resulted in the discovery of a massive sulphide deposit at Naternaq (Lersletten), which was studied again in some detail in 2001 by the Survey (Østergaard et al. 2002) but not reported on in the present volume. keywords: archaean; denmark; geological; greenland; nagssugtoqidian; orogen; rocks; survey; west cache: geusb-4913.pdf plain text: geusb-4913.txt item: #167 of 222 id: geusb-4914 author: Hollis, Julie A. ; Keiding, Marie ; Møller Stensgaard, Bo ; van Gool, Jeroen A.M. ; Garde, Adam A. title: Evolution of Neoarchaean supracrustal belts at the northern margin of the North Atlantic Craton, West Greenland date: 2006-12-05 words: 14454 flesch: 60 summary: The predominant regional lithologies are layered, grey tonalitic to granodioritic orthogneisses interleaved with supracrustal rocks. The north-western boundary of the supracrustal belt on the opposite side of the peninsula, where supracrustal rocks and orthogneiss are interleaved, is less well defined. keywords: age; ages; amphibolite; belt; data; fig; geological; greenland; ikamiut; kangilinaaq; metasedimentary; nagssugtoqidian; orthogneiss; region; rocks; sample; supracrustal; west; zircon cache: geusb-4914.pdf plain text: geusb-4914.txt item: #168 of 222 id: geusb-4915 author: Moyen, Jean-François ; Watt, Gordon R. title: Pre-Nagssugtoqidian crustal evolution in West Greenland: geology, geochemistry and deformation of supracrustal and granitic rocks north-east of Kangaatsiaq date: 2006-12-05 words: 11819 flesch: 67 summary: The area north-east of Kangaatsiaq features polyphase grey orthogneisses, supracrustal rocks and Kan- gaatsiaq granite exposed within a WSW–ENE-trending synform. Keywords: Archaean, deformation, supracrustal rocks, granite, Nagssugtoqidian _______________________________________________________________________________________________________ keywords: amphibolite; archaean; area; basement; biotite; deformation; evolution; fig; geology; gneisses; granite; greenland; kangaatsiaq; nagssugtoqidian; precambrian; quartz; rocks; supracrustal; west cache: geusb-4915.pdf plain text: geusb-4915.txt item: #169 of 222 id: geusb-4916 author: Stendal, Henrik ; Frei, Robert ; Møller Stensgaard, Bo title: A lead isotope study of an Archaean gold prospect in the Attu region, Nagssugtoqidian orogen, West Greenland date: 2006-12-05 words: 4007 flesch: 61 summary: This paper presents a lead isotope investigation of a gold prospect south of the village Attu in the northern part of the Nagssugtoqidian orogen in central West Greenland. The authors would also like to thank the participants in the resource assessment programme Mineral resources of the Precambrian shield of central West Greenland (66°– 70°15′N) for valuable discussions concerning mineralis- ing events in the region. keywords: gold; greenland; magnetite; nagssugtoqidian; orogen; rocks; west; zone cache: geusb-4916.pdf plain text: geusb-4916.txt item: #170 of 222 id: geusb-4917 author: Mayborn, Kyle R. ; Lesher, Charles E. title: Origin and evolution of the Kangâmiut mafic dyke swarm, West Greenland date: 2006-12-05 words: 16546 flesch: 65 summary: Kangâmiut dykes are character- ised by low Ba/La ratios (12 ± 5), and high Nb/La ratios (0.8 ± 0.2), compared to subduction related basalts (Ba/La c. 25; Nb/La c. 0.35). Kangâmiut dyke with angular bridges within the chilled mar- gin (Photo: David Bridgwater). keywords: arc; basalts; clinopyroxene; contact; cpx; data; dykes; emplacement; et al; fig; greenland; hornblende; itilleq; kangâmiut; kangâmiut dyke; mantle; melting; middle; nagssugtoqidian; plagioclase; shear; swarm; west; wt% cache: geusb-4917.pdf plain text: geusb-4917.txt item: #171 of 222 id: geusb-4918 author: Thrane, Kristine ; Connelly, James N. title: Zircon geochronology from the Kangaatsiaq–Qasigiannguit region, the northern part of the 1.9–1.8 Ga Nagssugtoqidian orogen, West Greenland date: 2006-12-05 words: 9039 flesch: 59 summary: These dykes are presumed to be of Palaeoproterozoic age and perhaps related to pre-Nags- sugtoqidian rifting (Árting 2004), and if so would con- strain the deformation and granulite facies metamorphism south of Kangaatsiaq to be Archaean in age, whereas the thermal event recorded by the dykes themselves would be Palaeoproterozoic. There- fore, the age of 2723 ± 15 Ma is interpreted as the emplace- ment age of the granite, and the metasediment must also be of Archaean age. keywords: age; ages; archaean; fig; greenland; nagssugtoqidian; orogen; rocks; sample; zircons cache: geusb-4918.pdf plain text: geusb-4918.txt item: #172 of 222 id: geusb-4919 author: Stendal, Henrik ; Secher, Karsten ; Frei, Robert title: 207Pb-206Pb dating of magnetite, monazite and allanite in the central and northern Nagssugtoqidian orogen, West Greenland date: 2006-12-05 words: 7393 flesch: 63 summary: Geological map of central West Greenland, modified from van Gool et al. (2002). Mineral resources of the Precambrian shield of central West Greenland (66° to 70°15′ N). keywords: amphibolite; fig; greenland; hbr; magnetite; orogen; pegmatite; rocks; west cache: geusb-4919.pdf plain text: geusb-4919.txt item: #173 of 222 id: geusb-4920 author: Sidgren, Ann-Sofie ; Page, Laurence ; Garde, Adam A. title: New hornblende and muscovite 40Ar/39Ar cooling ages in the central Rinkian fold belt, West Greenland date: 2006-12-05 words: 6216 flesch: 58 summary: Four 40Ar/39Ar hornblende ages ranging from 1795 ± 3 to 1782 ± 3 Ma were obtained from amphibolite and hornblendite enclaves in the Archaean orthogneiss, and two from relict dyke frag- ments in the latter that may be of Palaeoproterozoic age. In the Disko Bugt area (Fig. 1), where Connelly et al. (2005) proposed a suture between the two belts, a set of 40Ar/39Ar and K-Ar hornblende age data reported by Rasmussen & Holm (1999) scatter between Archaean ages and a K-Ar age of c. 1765 Ma, revealing that tempera- tures during the Palaeoproterozoic thermal event were not sufficiently high in all parts of this area to reset the K-Ar isotope system (Rasmussen & Holm 1999). keywords: 40ar/39ar; age; ages; belt; fig; greenland; hornblende; muscovite; nagssugtoqidian; rinkian cache: geusb-4920.pdf plain text: geusb-4920.txt item: #174 of 222 id: geusb-4922 author: Sørensen, Kai ; Korstgård, John A. ; Glassley, William E. ; Møller Stensgaard, Bo title: The Nordre Strømfjord shear zone and the Arfersiorfik quartz diorite in Arfersiorfik, the Nagssugtoqidian orogen, West Greenland date: 2006-12-05 words: 9167 flesch: 58 summary: Metasomatism at the AQD mar- gin and minor shear zones within the AQD were descri- bed by Kalsbeek et al. (1987). The c. 1850 Ma Nagssugtoqidian orogen in central West Greenland, originally defined by Ramberg (1949), is built up of both Palaeoproterozoic and reworked Archaean rocks, and contains several prominent shear zones of Nagssugto- qidian age (Bak et al. 1975a; Connelly et al. 2000; van Gool et al. 2002). keywords: aqd; arfersiorfik; diorite; fig; gneisses; greenland; map; quartz; rocks; shear; shear zone; supracrustal; unit; west; zone cache: geusb-4922.pdf plain text: geusb-4922.txt item: #175 of 222 id: geusb-4924 author: Schovsbo, Niels H.; Holmslykke, Hanne D.; Kjøller, Claus; Hedegaard, Kathrine; Kristensen, Lars; Thomsen, Erik; Esbensen, Kim H. title: Types of formation water and produced water in Danish oil- and gasfields: implications for enhanced oil recovery by injection of ‘smart’ water date: 2016-07-15 words: 2681 flesch: 58 summary: Water types are classified according to their groupings in A (water type 4) and C (water type 1, 2, 3). Water types 1–3 have compositional char- acteristics similar to types presented in the comprehensive overview paper by Warren et al. (1994). keywords: fig; formation; injection; reservoirs; seawater; type; tyra; water cache: geusb-4924.pdf plain text: geusb-4924.txt item: #176 of 222 id: geusb-4925 author: Odgaard, Bent V.; Knudsen, Karen L.; Bennike, Ole; Granat, Henrik J. title: Middle Pleistocene interglacial deposits near Herning, Jylland, Denmark date: 2016-07-15 words: 2252 flesch: 58 summary: Middle Pleistocene interglacial deposits near Herning, Jylland, Denmark Bent V. Odgaard, Karen L. Knudsen, Ole Bennike and Henrik J. Granat Fig. (2014), but further development of optically stimulated luminescence (OSL) dating or other absolute dating methods are needed for more exact age es- timates of marine pre-Eemian interglacial records in Den- mark. keywords: core; denmark; dgu; fig; interglacial; kibæk; marine; samples; unit cache: geusb-4925.pdf plain text: geusb-4925.txt item: #177 of 222 id: geusb-4926 author: Knudsen, Christian; Lauridsen, Bodil W. title: Geochemistry of the Maastrichtian Rørdal Member, Jylland, Denmark: Ce anomaly as a palaeo-redox proxy date: 2016-07-15 words: 3119 flesch: 66 summary: The inorganic geochemical evolution in Maastrichtian chalk was investi- gated by Jørgensen (1986) who noted changes in Sr/Ca and Mn/Ca ratios towards the end of the Maastrichtian in the North Sea Central Graben, leading to the conclusion that geochemistry is a “conceivable tool in basin analysis in the lithologically rather monotonous chalk sequence” (p. 267). The chemical composition of chalk and marl reflects the mixture of carbonate particles and clastic input deposited on the seabed together with growth of authigenic minerals and diagenesis. keywords: anomaly; chalk; clay; elements; fig; marl; rørdal cache: geusb-4926.pdf plain text: geusb-4926.txt item: #178 of 222 id: geusb-4930 author: Korstgård, John A. ; Møller Stensgaard, Bo ; Rasmussen, Thorkild M. title: Magnetic anomalies and metamorphic boundaries in the southern Nagssugtoqidian orogen, West Greenland date: 2006-12-05 words: 2880 flesch: 52 summary: Me- tamorphism and deformation north of Itilleq involve both dykes and host gneisses, and the metamor- phic grade is amphibolite facies increasing to granulite facies at the northern boundary of the south- ern Nagssugtoqidian orogen. The meta- morphic grade of host gneisses north and south of Itilleq is granulite facies in western parts and amphibolite facies in eastern parts (Fig. 2A). keywords: dyke; facies; fig; greenland; nagssugtoqidian; orogen; zone cache: geusb-4930.pdf plain text: geusb-4930.txt item: #179 of 222 id: geusb-4932 author: Schiøler, Poul ; Andsbjerg, Jan ; Clausen, Ole R. ; Dam, Gregers ; Dybkjær, Karen ; Hamberg, Lars ; Heilmann-Clausen, Claus ; Johannessen, Erik P. ; Kristensen, Lars E. ; Prince, Iain ; Rasmussen, Jan A. title: Colophon, contents, abstract, introduction, geological setting, previous work and material and methods date: 2007-06-29 words: 5971 flesch: 59 summary: Location maps showing the position of wells used in the study (a) and major structural elements in the greater North Sea area (b) mentioned in the text. It has not been the aim of this work to provide a se- quence stratigraphic model for the Palaeogene sediments in the central and eastern North Sea; for this the reader is referred to Michelsen et al. keywords: basin; central; danish; denmark; fig; formation; geological; group; member; new; north; palaeogene; sandstone; sea; sector; sele; succession; units cache: geusb-4932.pdf plain text: geusb-4932.txt item: #180 of 222 id: geusb-4933 author: Schiøler, Poul ; Andsbjerg, Jan ; Clausen, Ole R. ; Dam, Gregers ; Dybkjær, Karen ; Hamberg, Lars ; Heilmann-Clausen, Claus ; Johannessen, Erik P. ; Kristensen, Lars E. ; Prince, Iain ; Rasmussen, Jan A. title: Offshore and onshore lithostratigraphic nomenclature: Paleocene, Eocene, Oligocene and Miocene date: 2007-06-29 words: 3464 flesch: 58 summary: Instead, most North Sea biostratigraphers recog- nise the Rupelian–Chattian stage boundary at the HO of the benthic foraminifer Rotaliatina bulimoides. Maastrichtian (pars) 57.9 54.5 Sparnacian c b a b c a Planktonic microfossils Benthic microfossils Dinoflagellate cysts Planktonic microfossils Calcareous nannofossils North Sea biozonesStandard biozones Chronostratigraphy (Berggren et al. 1995) StageSeries Berggren & Miller (1988), Berggren et al. (1995) Mudge & Bujak (1996b) keywords: boundary; correlation; dinoflagellate; et al; events; fig; north; planktonic; sea cache: geusb-4933.pdf plain text: geusb-4933.txt item: #181 of 222 id: geusb-4934 author: Schiøler, Poul ; Andsbjerg, Jan ; Clausen, Ole R. ; Dam, Gregers ; Dybkjær, Karen ; Hamberg, Lars ; Heilmann-Clausen, Claus ; Johannessen, Erik P. ; Kristensen, Lars E. ; Prince, Iain ; Rasmussen, Jan A. title: Lithostratigraphy: Rogaland Group, formations: Våle and Lista date: 2007-06-29 words: 9490 flesch: 67 summary: In most wells where the transition has been cored, the boundary is sharp between the light-coloured marlstones of the Våle Formation and the dark-coloured, non-calcareous mudstones of the lower Lista Formation (Vile Member, see below; Fig. 23). E-8 Siri-1 0 10 20 30 40 Thickness (m) Våle Formation 25 km 28 cm 2398 m 2399 m 2400 m Cecilie-1B 2401 m 2402 keywords: danish; fig; formation; lista; lista formation; member; sandstones; vile; våle; våle formation cache: geusb-4934.pdf plain text: geusb-4934.txt item: #182 of 222 id: geusb-4935 author: Schiøler, Poul ; Andsbjerg, Jan ; Clausen, Ole R. ; Dam, Gregers ; Dybkjær, Karen ; Hamberg, Lars ; Heilmann-Clausen, Claus ; Johannessen, Erik P. ; Kristensen, Lars E. ; Prince, Iain ; Rasmussen, Jan A. title: Lithostratigraphy: Rogaland Group, formations: Sele, Fur and Balder date: 2007-06-29 words: 5466 flesch: 67 summary: On the gamma-ray log, the base of the Sele Formation is generally marked by a conspicuous up- ward shift to consistently higher gamma-ray readings than those of the underlying Bue Member (Figs 38, 39). In wells to the north and west of the Danish sector, the stratigraphic distance between the shift to higher gamma-ray readings at the base of the Sele Formation and the gamma-ray peak is considerably greater (e.g. in the Norwegian well 2/7-1; Fig. 25). keywords: balder; danish; fig; formation; gamma; member; sele; sele formation cache: geusb-4935.pdf plain text: geusb-4935.txt item: #183 of 222 id: geusb-4936 author: Schiøler, Poul ; Andsbjerg, Jan ; Clausen, Ole R. ; Dam, Gregers ; Dybkjær, Karen ; Hamberg, Lars ; Heilmann-Clausen, Claus ; Johannessen, Erik P. ; Kristensen, Lars E. ; Prince, Iain ; Rasmussen, Jan A. title: Lithostratigraphy: Stronsay Group, the Horda Formation date: 2007-06-29 words: 3070 flesch: 66 summary: An isochore map of the Horda Formation is shown in Fig. cm 1887 m 1888 m Sofie-1 1901 m 1902 m 0 10 20 30 40 50 60 70 80 90 100 Graben wells contain the downhole succession of the dino- flagellate cyst events HO Areosphaeridium diktyoplokum, HO Areosphaeridium michoudii, HO Heteraulacacysta po- rosa and HO Cerebrocysta bartonensis from the top of the Horda Formation, indicating an age as young as earliest Rupelian (Fig. 5b). keywords: central; danish; fig; formation; horda formation; member; sector cache: geusb-4936.pdf plain text: geusb-4936.txt item: #184 of 222 id: geusb-4937 author: Schiøler, Poul ; Andsbjerg, Jan ; Clausen, Ole R. ; Dam, Gregers ; Dybkjær, Karen ; Hamberg, Lars ; Heilmann-Clausen, Claus ; Johannessen, Erik P. ; Kristensen, Lars E. ; Prince, Iain ; Rasmussen, Jan A. title: Lithostratigraphy: Westray Group, the Lark Formation date: 2007-06-29 words: 4752 flesch: 66 summary: Isochore maps of Lark Formation subunits. The lower Lark Formation (L1–3, see below) is dominated by dark, greenish grey, non-fissile mudstones in most wells; in some wells subordinate intervals of brown- ish grey mudstones are also present. keywords: fig; formation; gamma; lark; lark formation; log; member; mudstones; ray; unit cache: geusb-4937.pdf plain text: geusb-4937.txt item: #185 of 222 id: geusb-4938 author: Schiøler, Poul ; Andsbjerg, Jan; Clausen, Ole R. ; Dam, Gregers; Dybkjær, Karen; Hamberg, Lars; Heilmann-Clausen, Claus ; Johannessen, Erik P. ; Kristensen, Lars E. ; Prince, Iain; Rasmussen, Jan A. title: Acknowledgements and references date: 2007-06-29 words: 3372 flesch: 57 summary: Cainozoic biostratigraphy and palaeobathymetry, northern North Sea and Haltenbanken. Paleogene tuffa- ceous intervals, Grane Field (Block 25/11), Norwegian North Sea: their depositional, petrographical, geochemical character and regional implications. keywords: denmark; eds; eocene; geological; geology; london; north; north sea; paleocene; petroleum; sea; society; stratigraphy cache: geusb-4938.pdf plain text: geusb-4938.txt item: #186 of 222 id: geusb-4939 author: Nielsen, Troels F.D. title: In situ fractionation and inward migration of the solidification front in the Skaergaard intrusion, East Greenland date: 2016-07-15 words: 2290 flesch: 57 summary: The Skaergaard intrusion The Skaergaard intrusion (Wager & Brown 1968) is a com- paratively small but well-preserved and well-exposed lay- ered gabbro intrusion (Fig. 1A). This is, however, in conflict with reactions between liquidus minerals and Fe- rich silicate melts (Holness et al. 2011) and the occurrence of immiscible melt droplets throughout much of the floor cumulates (Jakobsen et al. 2011 and references therein). keywords: greenland; intrusion; melt; mush; nielsen; skaergaard cache: geusb-4939.pdf plain text: geusb-4939.txt item: #187 of 222 id: geusb-4940 author: Guarnieri, Pierpaolo; Partin, Camille A.; Rosa, Diogo title: Palaeovalleys at the basal unconformity of the Palaeoproterozoic Karrat Group, West Greenland date: 2016-07-15 words: 2531 flesch: 46 summary: Qaarsukassak Formation Here we describe a new stratigraphic unit in the Karrat Group, informally named the Qaarsukassak Formation, which occurs locally below the Nûkavsak Formation in the Kangerluarsuk fjord area (Fig. 1). Unit 1 of the Qaarsukassak Formation could represent a fluvial envi- ronment, but outcrops lack the sedimentary structures to confirm this. keywords: fig; formation; mârmorilik; nûkavsak; pulvertaft; qaarsukassak; unit cache: geusb-4940.pdf plain text: geusb-4940.txt item: #188 of 222 id: geusb-4942 author: van As, Dirk ; Fausto, Robert S.; Cappelen, John ; van de Wa, Roderik S.W.l; Braithwaite, Roger J.; Machguth, Horst; PROMICE project team, * title: Placing Greenland ice sheet ablation measurements in a multi-decadal context date: 2016-07-15 words: 2848 flesch: 62 summary: Assessing the accuracy of Greenland ice sheet surface ablation measurements by pressure transducer. Calculated variations of annual ice ablation at the margin of the Greenland ice sheet, West Greenland, 1961–1990. keywords: ablation; greenland; ice; period; promice; sheet; temperature cache: geusb-4942.pdf plain text: geusb-4942.txt item: #189 of 222 id: geusb-4981 author: Henriksen, Hans Jørgen ; Rasmussen, Per ; Bromley, John ; de la Hera Portillo, Africa ; Llamas, M. Ramón title: Bayesian belief networks as a tool for participatory integrated assessment and adaptive groundwater management: the Upper Guadiana Basin, Spain date: 2007-10-12 words: 2359 flesch: 47 summary: Guidelines for the use of Bayesian networks as a par- ticipatory tool for water resource management, 117 pp. Results of testing Bayesian belief networks for adaptive water management The initial step in network design was to establish the space and time boundaries of the system being modelled. keywords: assessment; basin; bns; groundwater; guadiana; management; upper; water cache: geusb-4981.pdf plain text: geusb-4981.txt item: #190 of 222 id: geusb-4982 author: Tukiainen, Tapani; Thomassen, Bjørn title: Application of airborne hyperspectral data to mineral exploration in North-East Greenland date: 2010-07-07 words: 2231 flesch: 46 summary: The ac- cessible part of this anomaly at 1300 m was found to host a significant number of pyrite- and f luorite-bearing trachytic Application of airborne hyperspectral data to mineral exploration in North-East Greenland Tapani Tukiainen and Bjørn Thomassen © GEUS, 2010. Geological map of North-East Greenland showing areas covered by airborne hyperspectral data. keywords: alteration; area; data; greenland; mineralisation; rocks; survey cache: geusb-4982.pdf plain text: geusb-4982.txt item: #191 of 222 id: geusb-4983 author: Fyhn, Michael B.W. ; Nielsen, Lars Henrik ; Boldreel, Lars Ole title: Cenozoic evolution of the Vietnamese coastal margin date: 2007-10-12 words: 2605 flesch: 57 summary: Map showing major Cenozoic basins and oceanic crust and simplified Cenozoic structural features. Geological Survey of Denmark and Greenland Bulletin 13, 2007, 73-76 A series of Cenozoic basins fringes the Vietnamese coastal margin, often characterised by more than 10 km of sedimen- tary infill (Fig. 1). keywords: basins; fig; shear; south; vietnam; zone cache: geusb-4983.pdf plain text: geusb-4983.txt item: #192 of 222 id: geusb-4984 author: Vosgerau, Henrik; Guarnieri, Pierpaolo; Weibel, Rikke; Larsen, Michael; Dennehy, Cliona; Sørensen, Erik V.; Knudsen, Christian title: Study of a Palaeogene intrabasaltic sedimentary unit in southern East Greenland: from 3-D photogeology to micropetrography date: 2010-07-07 words: 2169 flesch: 46 summary: Three-dimensional photoge- ology is also applied on an intermediate scale to map lateral variations of sedimentary units between logged sections. On a small scale, petrography is used to understand diage- netically induced reductions in porosity and permeability to understand the inf luence of provenance, sedimentary facies and surrounding ‘hot’ units on diagenetic processes. keywords: facies; fig; reservoir; scale; sedimentary; shoreface; volcanic cache: geusb-4984.pdf plain text: geusb-4984.txt item: #193 of 222 id: geusb-4986 author: Dawes, Peter R.; van As, Dirk title: An advancing glacier in a recessive ice regime: Berlingske Bræ, North-West Greenland date: 2010-07-07 words: 2617 flesch: 63 summary: Finally in the last decades, satellite images have assured a continual record of the areas covered and uncovered by Greenland glaciers (Weidick 1994). West Greenland outlet glaciers: an inventory of the major iceberg producers. keywords: bræ; fig; glaciers; gletscher; greenland; ice cache: geusb-4986.pdf plain text: geusb-4986.txt item: #194 of 222 id: geusb-4987 author: Snowman Andresen, Camilla; Nørgaard-Pedersen, Niels; Jensen, Jørn Bo; Larsen, Birger title: Bathymetry, shallow seismic profiling and sediment coring in Sermilik near Helheimgletscher, South-East Greenland date: 2010-07-07 words: 2717 flesch: 57 summary: These lithofacies are similar to lithofacies described from sediment cores from Kangerlussuaq (Smith & Andrews 2000) and Scoresby Sund (Dowdeswell et al. 1994; Ó Cofaigh & Dowdeswell 2001). Knowledge of the sediment depositional regime on the fjord bottom from seismic investigations is highly relevant for retrieval of sediment cores suitable for Holocene palaeo- climatic reconstructions. keywords: fig; fjord; greenland; ice; sediment; sermilik cache: geusb-4987.pdf plain text: geusb-4987.txt item: #195 of 222 id: geusb-4988 author: Appel, Peter W.U.; Jønsson, Jesper Bosse title: Borax – an alternative to mercury for gold extraction by small-scale miners: introducing the method in Tanzania date: 2010-07-07 words: 2572 flesch: 65 summary: Environmental Management 30, 764–777. Hinton, J.J. 2006: Communities and small scale mining: an integrated review for development planning, 413 pp. Bose-O’Reilly, S., Drasch, G., Beinhoff, C., Tesha, A., Drasch, K., Roider, G., Taylor, H., Appleton, D. & Siebert, U. 2010: Health assessment of artisanal gold miners in Tanzania. keywords: borax; gold; mercury; method; miners; scale cache: geusb-4988.pdf plain text: geusb-4988.txt item: #196 of 222 id: geusb-4990 author: Fyhn, Michael B.W.; Petersen, Henrik I.; Mathiesen, Anders; Nielsen, Lars H.; Pedersen, Stig A.S.; Lindström, Sofie; Bojesen-Koefoed, Jørgen A.; Abatzis, Ioannis; Boldreel, Lars O. title: Vietnamese sedimentary basins: geological evolution and petroleum potential date: 2010-07-07 words: 3166 flesch: 57 summary: Geochemical charac- teristics of oil seepages from Dam Thi Nai, central Vietnam: implica- tions for hydrocarbon exploration in the offshore Phu Khanh Basin. Fyhn, M.B.W. et al. 2009c: Geological evolution, regional perspectives and hydrocarbon potential of the northwest Phu Khanh Basin, offshore Central Vietnam. keywords: basin; fig; fyhn; malay; petroleum; phu; quoc; south; vietnam cache: geusb-4990.pdf plain text: geusb-4990.txt item: #197 of 222 id: geusb-4991 author: Poulsen, Niels E. title: Potential for permanent geological storage of CO2 in China: the COACH project date: 2010-07-07 words: 2787 flesch: 57 summary: Background and methods Aims of the Carbon Sequestration Leadership Forum The aim of CO2 storage is the permanent removal of CO2 from the atmosphere. Bachu, S., Bonijoly, D., Bradshaw, J., Burruss, R., Christensen, N.P. Hollo- way, S., & Mathiassen, O.M. 2007a: Estimation of CO2 storage capacity in Geological Media – Phase 2. keywords: capacity; china; co2; coach; energ; storage cache: geusb-4991.pdf plain text: geusb-4991.txt item: #198 of 222 id: geusb-4992 author: Schack Pedersen, Stig A.; Boldreel, Lars Ole; Bach Madsen, Emil; Bjerkvig Filtenborg, Mette; Nielsen, Lars Henrik title: Thin-skinned thrust-fault tectonics offshore south-west Vietnam date: 2010-07-07 words: 2635 flesch: 61 summary: In our tectonic model the environment surrounding Phu Quoc island is regarded as located at the transition from the distal to the intermediate part of the tectonic complex. Phu Quoc P ro x im al i m b ri c at e p ar t 104˚00'103˚40' 104˚20'E20 km ■ ■■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ 9˚20' Fig. 3 Fig. 2 9˚00' 8˚40' 10˚00'N ▲ ■■ Distal part Intermediate part Proximal part Thrust fault Footwall syncline Flexure on ramp dip Conventional seismic lines High resolution seismic lines keywords: complex; hanging; quoc; thrust; wall cache: geusb-4992.pdf plain text: geusb-4992.txt item: #199 of 222 id: geusb-4994 author: Riisager, Peter; Keulen, Nynke; Larsen, Uffe; McLimans, Roger K.; Knudsen, Christian; Tulstrup, Jørgen title: Interactive web analysis and presentation of computer-controlled scanning electron microscopy data date: 2010-07-07 words: 1826 flesch: 49 summary: In addition to CCSEM data, Titan contains a global database of titanium deposits and various reports. Entry of sample metadata and uploading of CCSEM data to the database using a desktop programme. keywords: ccsem; data; database; titan; user cache: geusb-4994.pdf plain text: geusb-4994.txt item: #200 of 222 id: geusb-4995 author: Christensen, Flemming G. title: Review of Survey activities 2008 date: 2009-07-08 words: 2171 flesch: 46 summary: For further information on other working areas please refer to our website: www.geus.dk/international ROSA_2008:ROSA-2008 01/07/09 15:47 Side 4 5 41 Geophysical methods and data administra- tion in Danish groundwater mapping I. Møller, V.H. Søndergaard and F. Jørgensen 45 Water budget of Skærsø, a lake in south-east Jylland, Denmark: exchange between groundwater and lake water B. Nilsson, P. Engesgaard, J. Kidmose, S. Karan, M.C. Looms and M.C.S. Frandsen 49 Geological observations in the southern West Greenland basement from Ameralik to Frederikshåb Isblink in 2008 N. Keulen, A. Scherstén, J.C. Schumacher, T. Næraa and B.F. Windley 53 Shallow core drilling and petroleum geol- ogy related field work in East and North- East Greenland 2008 J.A. Bojesen-Koefoed, M. Bjerager and S. Piasecki 57 The bedrock geology under the Inland Ice: the next major challenge for Greenland mapping P.R. Dawes 61 Developing a 3-D model for the Skaergaard intrusion in East Greenland: constraints on structure, mineralisation and petrogenetic models T.F.D. Nielsen, S.D. Olsen and B.M. Stensgaard 65 Diamonds and lithospheric mantle proper- ties in the Neo proterozoic igneous province of southern West Greenland A. Steenfelt, S.M. Jensen, T.F.D. Nielsen, K.K. Sand and K. Secher 69 Using spectral mixture analysis of hyper- spectral remote sensing data to map lithol- ogy of the Sarfartoq carbona tite complex, southern West Greenland E. Bedini and T. Tukiainen 73 Glaciological investigations at the Malmbjerg mining prospect, central East Greenland M. Citterio, R. Mottram, S.H. Larsen and A. Ahlstrøm 77 Holocene climate variability in southern Greenland: results from the Galathea 3 expedition N. Nørgaard-Pedersen, N. Mikkelsen, M.D. Poulsen and A.S. keywords: 01/07/09; data; denmark; geus; greenland; paper; rosa_2008; survey; west cache: geusb-4995.pdf plain text: geusb-4995.txt item: #201 of 222 id: geusb-5002 author: Voss, Peter H.; Larsen, Tine B.; Ottemöller, Lars ; Gregersen, Søren title: Earthquake in southern Sweden wakes up Denmark on 16 December 2008 date: 2009-07-08 words: 2768 flesch: 64 summary: Large earthquakes with epicentres located outside Denmark have also been felt in Denmark, like the earthquakes in Lissabon in 1755, Oslo in 1904 and Kaliningrad in 2004 (Gregersen et al. 2007). They measure fundamentally different parameters in the seismograms, all with the intention to reproduce C.F. Richter’s original mag- nitude measure from 1935 (Richter 1935), which is in wide- spread use for public information and in engineering in earthquake regions. keywords: area; denmark; earthquake; fig; gregersen; magnitude cache: geusb-5002.pdf plain text: geusb-5002.txt item: #202 of 222 id: geusb-5003 author: Frykman, Peter; Nielsen, Lars Henrik; Vangkilde-Pedersen, Thomas; Anthonsen, Karen Lyng title: The potential for large-scale, subsurface geological CO2 storage in Denmark date: 2009-07-08 words: 2515 flesch: 48 summary: The results of the numerous research projects on geological storage are summarised in a comprehensive best practice manual outlining guidelines for storage in saline aquifers (Chadwick et al. 2008). A detailed directive for geological storage is under implementation (European Commission 2009), and the EU has furthermore established a programme for supporting the development of more than ten large-scale demonstration plants throughout Europe. keywords: co2; danish; denmark; site; storage; structure cache: geusb-5003.pdf plain text: geusb-5003.txt item: #203 of 222 id: geusb-5005 author: Lindström, Sofie; Vosgerau, Henrik ; Piasecki, Stefan ; Nielsen, Lars Henrik ; Dybkjær, Karen ; Erlström, Mikael title: Ladinian palynofloras in the Norwegian–Danish Basin: a regional marker reflecting a climate change date: 2009-07-08 words: 2598 flesch: 39 summary: Detailed stratigraphic subdivision and regional correlation of the southern Danish Triassic succession. For instance, Aratrisporites is a common constituent in arid to semi-arid Triassic palynofloras worldwide. keywords: basin; conditions; danish; formation; ladinian; marine; mudstones; norwegian; sequence; triassic cache: geusb-5005.pdf plain text: geusb-5005.txt item: #204 of 222 id: geusb-5006 author: Knudsen, Christian ; Kokfelt, Thomas ; Aagaard, Troels ; Bartholdy, Jesper; Pejrup, Morten title: Fingerprinting sediments along the west coast of Jylland: interpreting provenance data date: 2009-07-08 words: 2810 flesch: 60 summary: It is well known that properties such as grain shape and density are important fac- tors in the processes controlling transport and deposition of mineral grains. Provenance analysis based on modal abundance and com- position of heavy minerals is used to understand the dispersal of sand in ancient siliciclastic systems, with focus on problems relevant to the petroleum industry (e.g. Larsen et al. 2006; Morton et al. 2007). keywords: denmark; husby; mineral; provenance; samples; sand; zircon cache: geusb-5006.pdf plain text: geusb-5006.txt item: #205 of 222 id: geusb-5007 author: Schack Pedersen, Stig A.; Gravesen, Peter title: Structural development of Maglevandsfald: a key to understanding the glaciotectonic architecture of Møns Klint, SE Denmark date: 2009-07-08 words: 2778 flesch: 63 summary: The exhibition fo - cuses on the geology of Denmark with special reference to the chalk cliffs of Møns Klint. Thus the structural details at Maglevandsfald became a key point for the glaciotectonic model of Møns Klint which we present in this paper. keywords: chalk; denmark; fig; glaciotectonic; klint; møns; thrust cache: geusb-5007.pdf plain text: geusb-5007.txt item: #206 of 222 id: geusb-5008 author: Roll Jakobsen, Peter ; chack Pedersen, Stig A. S title: Fracture valleys in central Jylland – a neotectonic feature date: 2009-07-08 words: 2640 flesch: 57 summary: Morphology The parallel alignment of valleys in the Ulstrup–Hammel area suggests that they can be characterised as fracture valleys (Fig. 1). The val- leys cut hills and erosional valleys without any change of direction and are therefore not controlled by the general landscape morphology. keywords: fault; fig; graben; hvorslev; lineaments; system; till; valleys cache: geusb-5008.pdf plain text: geusb-5008.txt item: #207 of 222 id: geusb-5009 author: Rasmussen, Peter ; Olsen, Jesper title: Soil erosion and land-use change during the last six millennia recorded in lake sediments of Gudme Sø, Fyn, Denmark date: 2009-07-08 words: 2999 flesch: 63 summary: Concluding remarks The investigation of the lake sediments from Gudme Sø provides a 6000-year-record of soil erosion rates as well as contemporary pollen-inferred changes in vegetation and land-use. After 2550 BC, low soil erosion rates indicate a long period of relative stability in the catchment area, which lasted until the middle of the Bronze Age at c. 1000 BC. Landscape transformation For c. 150 years, between 1000 and 850 BC, the landscape around Gudme Sø changed drastically and became far more open than previously as suggested by the increase in NAP. keywords: erosion; gudme; lake; pollen; sediment; soil cache: geusb-5009.pdf plain text: geusb-5009.txt item: #208 of 222 id: geusb-5010 author: Møller, Ingelise; Søndergaard, Verner H. ; Jørgensen, Flemming title: Geophysical methods and data administration in Danish groundwater mapping date: 2009-07-08 words: 2535 flesch: 49 summary: The database contains geophysical data of var- ious types such as Wenner profiles, Schlumberger soundings, pulled array continuous electrical soundings, continuous ver- tical electrical soundings and induced polarisation, transient electromagnetic data including the airborne SkyTEM data, 42 ROSA_2008:ROSA-2008 01/07/09 Geophysical data are handled from data processing to ge - ological interpretation in an integrated system formed by the GERDA and the Jupiter databases and two software pack- ages, the Aarhus Workbench and the Geoscene3D in combi- nation with a geological model database hosted at GEUS (Fig. 2; Møller et al. in press). keywords: data; denmark; fig; groundwater; mapping; methods; skytem; survey cache: geusb-5010.pdf plain text: geusb-5010.txt item: #209 of 222 id: geusb-5011 author: Nilsson, Bertel ; Engesgaard, Peter ; Kidmose, Jacob ; Karan, Sachin ; Looms, Majken Caroline ; Schou Frandsen, Mette Cristine title: Water budget of Skærsø, a lake in south-east Jylland, Denmark: exchange between groundwater and lake water date: 2009-07-08 words: 2332 flesch: 55 summary: Nevertheless, we conclude that exchange between groundwater and lake water plays an important role in the water budget of lake Skærsø. Acknowledgement Villum Kann Rasmussen Fonden is gratefully acknowledged for funding the Centre for Lake Restoration (CLEAR), which is a Villum Kann Rasmussen Centre of Excellence. Towards a lake typology The Centre for Lake Restoration is developing a typological classification of Danish lakes using a multidisciplinary ap - proach that integrates interactions between groundwater and lake water. keywords: aquifer; denmark; fig; groundwater; lake; skærsø; water cache: geusb-5011.pdf plain text: geusb-5011.txt item: #210 of 222 id: geusb-5012 author: Keulen, Nynke ; Scherstén, Anders; Schumacher, John C.; Næraa, Tomas; Windley, Brian F. title: Geological observations in the southern West Greenland basement from Ameralik to Frederikshåb Isblink in 2008 date: 2009-07-08 words: 2969 flesch: 56 summary: ROSA_2008:ROSA-2008 01/07/09 15:48 Side 49 (2009) proposed a model in which a series of blocks represent crustal sections that (except for the Sermilik block; Fig. 1) display a systematic metamorphic progression from amphi- bolite facies to granulite facies rocks from south to north. Geological Survey of Denmark and Greenland Bulletin 17, 2009, 49-52 In 2008, the Geological Survey of Denmark and Greenland began a project in collaboration with the Bureau of Minerals and Petroleum of Greenland with the aim to publish a web- based, seamless digital map of the Precambrian bedrock between 61°30´ and 64°N in southern West Greenland. keywords: complex; crustal; facies; fiskenæsset; granulite; greenland; metamorphic; rocks; southern; terrane; west cache: geusb-5012.pdf plain text: geusb-5012.txt item: #211 of 222 id: geusb-5013 author: Bojesen-Koefoed, Jørgen A.; Bjerager, Morten; Piasecki, Stefan title: Shallow core drilling and petroleum geology related field work in East and North-East Greenland 2008 date: 2009-07-08 words: 2574 flesch: 53 summary: Surlyk, F. 2003: The Jurassic of East Greenland: a sedimentary record of thermal subsidence, onset and culmination of rifting. During the Volgian, the coarse- grained sand of the Sjællandselv Member and Raukelv For - mation was deposited in the western and central parts of the Jameson Land Basin at the same time as the Katedralen Member mud was deposited in the easternmost, apparently much deeper basin (Surlyk 2003). keywords: denmark; east; field; fig; greenland; member; north; petroleum cache: geusb-5013.pdf plain text: geusb-5013.txt item: #212 of 222 id: geusb-5014 author: Dawes, Peter R. title: The bedrock geology under the Inland Ice: the next major challenge for Greenland mapping date: 2009-07-08 words: 2489 flesch: 60 summary: Glacial erratics from sub-ice provinces unknown in outcrop. One dire need is for low-altitude and ice-based geophysical surveys to facilitate deductions about spatial relationships of sub-ice provinces. keywords: archaean; erratics; fig; geology; greenland; ice; north; rocks; survey cache: geusb-5014.pdf plain text: geusb-5014.txt item: #213 of 222 id: geusb-5015 author: Nielsen, Troels F.D.; Olsen, Símun D.; Stensgaard, Bo M. title: Developing a 3-D model for the Skaergaard intrusion in East Greenland: constraints on structure, mineralisation and petrogenetic models date: 2009-07-08 words: 2752 flesch: 63 summary: Layered intrusions, 147–180. Geological Survey of Denmark and Greenland Bulletin 17, 2009,61-64 The Skaergaard intrusion (Fig. 1) is probably the most stud- ied layered gabbro intrusion in the world (Wager & Deer 1939; Wager & Brown 1968; McBirney 1996; Nielsen 2004). keywords: fig; intrusion; model; nielsen; skaergaard; zone cache: geusb-5015.pdf plain text: geusb-5015.txt item: #214 of 222 id: geusb-5052 author: Hansen Klünder, Maiken ; Hippler, Dorothee ; Witbaard, Rob ; Frei, Dirk title: Laser ablation analysis of bivalve shells – archives of environmental information date: 2008-07-10 words: 2880 flesch: 58 summary: Shell samples from a four- year old specimen from Limfjorden, Denmark, collected in 2005, have been analysed. Pb content in seawater calculated from shell Pb concentration using the equation of Pitts & Wallace (1994). keywords: bivalve; concentration; edulis; fig; growth; icp; proxy; shell cache: geusb-5052.pdf plain text: geusb-5052.txt item: #215 of 222 id: geusb-5053 author: Keulen, Nynke ; Frei, Dirk ; Bernstein, Stefan ; Hutchison, Mark T. ; Knudsen, Christian ; Jensen, Lucas title: Fully automated analysis of grain chemistry, size and morphology by CCSEM: examples from cement produc tion and diamond exploration date: 2008-07-10 words: 2884 flesch: 57 summary: CCSEM analysis of a wide range of geological or non-geological materials has been intro- duced at the Geological Survey of Denmark and Greenland (GEUS) as a fast and reliable method to determine both the chemistry of individual grains and bulk samples. Thus, the original 2-D grain shape and grain size were completely available for analysis, without the introduction of artefacts by grain erosion and dilation or median filtering. keywords: analysis; ccsem; denmark; electron; elements; fig; grain; measurements; sample; size cache: geusb-5053.pdf plain text: geusb-5053.txt item: #216 of 222 id: geusb-5254 author: Christiansen, Flemming G. title: Review of Survey activities: Colophon, contents, introduction date: 2017-07-31 words: 2413 flesch: 38 summary: Frontispiece: facing page Surface of Qagssimiut ice lobe ablation area, southern Greenland ice sheet, after a period of extended clear sky conditions that enabled a strong dark ice algal bloom registered in satellite imagery presented in Box et al. (2017, this volume). Another paper has focus on the porosity and permeability variation of the Bunter Sandstone Formation that is a potential geothermal reser- voir in large onshore areas of southern Denmark. keywords: activities; data; denmark; exploration; geus; greenland; ice; monitoring; paper; survey cache: geusb-5254.pdf plain text: geusb-5254.txt item: #217 of 222 id: geusb-5552 author: Dahl-Jensen, Trine; Jakobsen, Rasmus; Bundgaard Bech, Tina; Møller Nielsen, Carsten; Nyrop Albers, Christian ; Voss, Peter H.; Larsen, Tine B. title: Monitoring for seismological and geochemical groundwater effects of high-volume pumping of natural gas at the Stenlille underground gas storage facility, Denmark date: 2021-03-22 words: 4751 flesch: 56 summary: https://doi.org/10.34194/geusb.v47.5552 1 of 8 Monitoring for seismological and geochemical groundwater effects of high-volume pumping of natural gas at the Stenlille underground gas storage facility, Denmark Trine Dahl-Jensen1* , Rasmus Jakobsen1 , Tina Bundgaard Bech1 , Carsten Møller Nielsen1 , Christian Nyrop Albers1 , Peter H. Voss1 , Tine B. Larsen1 1Geological Survey of Denmark and Greenland (GEUS), Copenhagen, Denmark Abstract The large natural gas storage facility at Stenlille, Denmark, has been moni- tored to investigate the effect of pumping large amounts of gas into the sub- surface. We compare these data with methane in groundwater, which has been monitored since gas storage was established in 1989. keywords: denmark; events; facility; fig; gas; groundwater; methane; monitoring; stenlille; storage; underground cache: geusb-5552.pdf plain text: geusb-5552.txt item: #218 of 222 id: geusb-8292 author: Koch, Julian; Schneider, Raphael title: Long short-term memory networks enhance rainfall-runoff modelling at the national scale of Denmark date: 2022-01-13 words: 4323 flesch: 54 summary: Future research studies should (1) advance knowl- edge-guided ML to use hydrological knowledge provided by the DK-model optimally; (2) test alternative LSTM architectures, hyperparameters and loss functions; (3) study the effect of anthropogenic impact (drainage and groundwater abstraction) on the LSTM; (4) investigate ways of interpreting LSTM models to gain new insights into the runoff process in Denmark; (5) apply a broad range of hydrological signatures in the evaluation of LSTMs; and (6) produce a CAMELS data set for Denmark to provide high-quality hydrological and meteorological data. Runoff data for pre-training can potentially be obtained from observational data sets from a larger or different geographical region or from a PBM. keywords: data; lstm; model; pbm; pre; runoff; sample; split; training cache: geusb-8292.pdf plain text: geusb-8292.txt item: #219 of 222 id: geusb-8294 author: Bennike, Ole; Wiberg-Larsen, Peter title: A new Middle Pleistocene interglacial occurrence from Ejby, Sjælland, Denmark date: 2022-03-02 words: 3267 flesch: 59 summary: Achenes of Z. palustris have previously been reported from interglacial deposits in Denmark by Hartz (1909) and Bennike et al. (2019). In Denmark, it has been found in interglacial deposits from the former Free Port in Copenhagen (Johansen 1904), a deposit nowadays referred to MIS 7 (Bennike et al. 2019). keywords: bennike; denmark; deposits; geus; interglacial; larsen; marine; middle; pleistocene; sjælland; species; wiberg cache: geusb-8294.pdf plain text: geusb-8294.txt item: #220 of 222 id: geusb-8316 author: Tegner, Christian; Salmonsen, Lars Peter; Holness, Marian B.; Lesher, Charles E.; Humphreys, Madeleine C. S.; Thy, Peter; Nielsen, Troels F. D. title: A whole-rock data set for the Skaergaard intrusion, East Greenland date: 2023-06-16 words: 5495 flesch: 63 summary: Related publications: Tegner 1997; Tegner et al. 2009; Salmonsen & Tegner 2013; Holness et al. 2015, 2017, 2022; Thy et al. in press. About half of these (n = 130) were published in Tegner et al. (2009) and Thy et al. keywords: data; intrusion; skaergaard; tegner; zone cache: geusb-8316.pdf plain text: geusb-8316.txt item: #221 of 222 id: geusb-8330 author: Larsen, Nikolaj Krog; Kristensen, Kristian B.R; Siggaard-Andersen, Marie-Louise; Heilmann-Clausen, Claus; Kjær, Kurt H title: X-ray fluorescence (XRF) fingerprinting of Palaeogene deposits in Denmark date: 2023-03-10 words: 4374 flesch: 60 summary: We have analysed Palaeogene units (mainly https://doi.org/10.34194/geusb.v53.8330 http://creativecommons.org/licenses/by-nc/4.0/ https://orcid.org/0000-0003-4171-9882 https://orcid.org/0000-0001-8986-1920 https://orcid.org/0000-0002-5894-7139 mailto:nicl@sund.ku.dk https://creativecommons.org/licenses/by/4.0/ Larsen et al. 2023: For example, the high smectite content in Paleocene and early Eocene units reflects weathering of volcanic material, whereas abundant amounts of illite indicate a source area composed of metamorphic rocks. keywords: clay; denmark; formation; palaeogene; samples; units cache: geusb-8330.pdf plain text: geusb-8330.txt item: #222 of 222 id: geusb-8347 author: Larsen, Rune Berg-Edland title: Preface date: 2023-07-27 words: 729 flesch: 51 summary: Au: gold PGE: platinum group elements NTNU: The authors suggest that the Skaergaard intrusion preserves different steps in PGE-Au ore genesis, which in many other intrusions are obliterated by later https://doi.org/10.34194/geusb.v54.8347 https://orcid.org/0000-0002-0117-1106 mailto:rune.larsen@ntnu.no Larsen 2023: GEUS Bulletin 54. keywords: pge; skaergaard cache: geusb-8347.pdf plain text: geusb-8347.txt