Commodities
PrimaryVanadium, Uranium
Commodity typeM
Deposit
Deposit sizeS
Orebody formCIRCULAR, ELONGATE
Ore controlPermeable Sandstone Underlying Pony Express Limestone
Geology
Host rockSandstone · Entrada Sandstone
StructureParadox Basin, Uncompahgre Uplift, San Juan Volcanic Field, San Miguel Mtns, Placerville Anticline, Unnamed Faults
Tectonic settingColorado Platform
Economic & production
Development statusPast Producer
Last production1957
Identification
Deposit ID10101879
MRDS IDD010932
Alternate namesFall Creek Group, Fall Creek Mill Site, MS 19937b, Fall Creek No. 6, MS 20140, Fall Creek No. 7, MS 20140, Fall Creek No. 8, MS 20140, Fall Creek No. 9, MS 20140, Fall Creek No. 10, MS 20140, Fall Creek No. 4, MS 19937a, Fall Creek No. 5, MS 19937a, Patented Claims: Fall Creek, MS 19937a, Fall Creek No. 1, MS 19937a, Fall Creek No. 2, MS 19937a, Fall Creek No. 3, MS 19937a
RegionNA
Data scoreB
Coordinates37.98917, -108.01121
References
FISCHER, R.P., AND OTHERS, 1947, VANADIUM DEPOSITS NEAR PLACERVILLE, SAN MIGUEL COUNTY, COLORADO: COLORADO SCI. SOC. PROC., V. 15, NO. 3, P. 117-146.BUSH, A.L., AND OTHERS, 1960, AREAL GEOLOGY OF THE LITTLE CONE QUADRANGLE, COLORADO: USGS BULL. 1082-G.NELSON-MOORE, J.L., AND OTHERS, 1978, RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BIBLIOGRAPHY: CGS BULL. 40, P. 416.COLORADO DIV. MINES INF. REPTS. AND ANNUAL OPERATOR REPTS.BLM MINERAL SURVEYS MS 19937A&B, 20140COLEMAN, R.G., AND DELEVAUX, MARYSE, 1957, OCCURRENCE OF SELENIUM IN SULFIDES FROM SOME SEDIMENTARY ROCKS OF THE WESTERN UNITED STATES: ECON. GEOLOGY, V. 52, P. 499-527.COLORADO DIV. MINES ANNUAL OPERATOR REPTS.; FISHCER AND OTHERS, 1947, P. 131; NELSON-MOORE AND OTHERS, 1978, P. 416