Description
Vanadium Corporation Of America
Commodities
PrimaryVanadium, Uranium
Commodity typeM
Deposit
Deposit sizeS
Ore controlCarbon Trash In Sandstone
Materials
Ore mineralsCarnotite, Roscoelite
Geology
Host rockSandstone · Entrada Sandstone
Associated rockRhyodacite,Lamprophyre · Biotite Rhyodacite;Pyroxene Lamprophyre
StructureSan Juan Uplift, Rico Dome, Unnamed Faults
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
Economic & production
Development statusPast Producer
First production1947
Discovery year1945
Identification
Deposit ID10014146
MRDS IDD010795
Alternate namesGraysill Group, Claims: Graysill 1-9
RegionNA
Data scoreB
Coordinates37.71279, -107.89786
References
NELSON-MOORE, J.L., AND OTHERS, 1978, RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BIBLIOGRAPHY: CGS BULL. 40, P. 398.CROSS, WHITMAN, AND HOLE, A.D., 1910, DESCRIPTION OF THE ENGINEER MOUNTAIN QUADRANGLE: USGS FOLIO 171.FINCH, W.I., 1967, GEOLOGY OF EPIGENETIC URANIUM DEPOSITS IN SANDSTONE IN THE UNITED STATES: USGS PROF. PAPER 538, P. 141.COLORADO DIV. MINES INF. REPTS. AND ANNUAL OPERATOR REPTS.PRATT, W.P., 1976, PRELIMINARY GEOLOGIC MAP OF THE HERMOSA PEAK QUADRANGLE, DOLORES, SAN JUAN, LA PLATA, AND MONTEZUMA COUNTIES, COLORADO: USGS OF-76-314.COLO. DIV. MINES ANNUAL OPERATOR REPTS. (1950-1964 ANNUALS); NELSON-MOORE, 1978, P.398 (CUMULATIVES)