id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
geosites-59	Loope, David; Kettler, Richard	Rinded, Iron-Oxide Concretions in Navajo Sandstone Along the Trail to Upper Calf Creek Falls, Garfield County	2019	7	.pdf	application/pdf	3947	165	58	Dense piece of concretion rind that shows bedding (black arrow) and a central fracture (white arrow; See figure 9, part 3). First, they are cemented by iron oxide (Fe2O3, or Fe(OH)3); most other concretions are cemented by silica (SiO2), calcite (CaCO3), dolomite (CaMg(CO3)2), or siderite (FeCO3).	cache/geosites-59.pdf	txt/geosites-59.txt