Phosphoria Shale

VARIOUS USGS MINERAL RESOURCES (MR) MAP SERIES OF THE GEOLOGY AND PHOSPHATERESOURCES IN CARIBOU, BEAR LAKE AND BINGHAM COUNTIES, IDAHO; PUBLISHED FROM 193-1985.LOVE, J.D., 1967. VANADIUM AND ASSOCIATED ELEMENTS IN THE PHOSPHORIA FORMATION IN THE AFTON AREA, WESTERN WYOMING, IN ANATOMY OF THE WESTERN PHOSPHATE FIELD, A GUIDE TO THE GEOLOGIC OCCURRENCE, EXPLORATION METHODS, MINING ENGINEERING AND RECOVERY TECHNOLOGY: INTERMOUNTAIN ASSOCIATION OF GEOLOGISTS, 15TH ANNUAL FIELD CONFERENCE, P. 115-118DESBOROUGH, G.A., 1977. PRELIMINARY REPORT ON CERTAIN METALS OF POTENTIAL ECONOMIC INTEREST IN THE VANADIUM-RICH ZONES IN THE MEADE PEAK MEMBER OF THE PHOSPHORIA FORMATION IN WESTERN WYOMING AND EASTERN IDAHO: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 77-341, 27 P.BUSCH, P.M., 1961. VANADIUM, A MATERIALS SURVEY: U.S. BUREAU OF MINES INFORMATION CIRCULAR I.C. 8060, P. 34.