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Sedimentation of Rocks of Leonard Permian
D Drilling Co
The Phosphoria Park City and Shedhorn Formations
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Anticline apatite average basin Blackfoot River Brazer calcite calcium Canyon carbonate rock Caribou Range central phosphate region cherty shale Conda Cressman district dolomite drilling Dry Valley east eastern estimated facies feet thick fertilizer Figure fold grade Grandeur Member gray Idaho J. R. Simplot lease limestone lower Mansfield McKelvey Meade Peak Member Meade Peak Phosphatic miles million tons mineral mining Montana Mountain mudstone oolitic outcrop overlying Park City Park City Formation Peak Phosphatic Shale pellets percent P205 Permian phate phos phosphate beds phosphate deposits phosphate rock Phosphatic Shale Member Phosphoria Formation phosphoric acid phosphorite phosphorite beds plant quartz rare earths reserves Rex Chert Member Ridge samples sandstone sediments Shedhorn short tons siltstone Soda Springs southeastern Idaho strata stratigraphic structure sulfur surface Syncline thin thrust fault tion tongues unit upper uranium Utah weathering western phosphate western Wyoming Wyoming zone