id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
geusb-4884	Frei, Dirk; Hollis, Julie A; Gerdes, Axel; Harlov, Dan; Karlsson, Christine; Vasquez, Paulina; Franz, Gerhard; Johansson, Leif; Knudsen, Christian	Advanced in situ geochronological and trace element microanalysis by laser ablation techniques	2006	4	.pdf	application/pdf	3014	116	52	The high sensitivity of the Element2 SF-ICP-MS allows U–Pb zircon age dating with a laser spotsize of 30 μm or less, depending on the Pb content of the zircons. Figures of merit The short and long term precision and accuracy of LA-SF- ICP-MS for U–Pb zircon age dating has been assessed using two zircon reference materials, Plesovice (with an ID-TIMS age of 338 ± 1 Ma; Aftalion et al. 1989; provided by Jan Kosler, University of Bergen) and 91500 (ID-TIMS age = 1065 ± 0.4 Ma; Wiedenbeck et al. 1995).	cache/geusb-4884.pdf	txt/geusb-4884.txt