Commodities
PrimaryVanadium
TertiaryUranium
Commodity typeM
Deposit
Deposit sizeS
Ore controlPermeable Sandstone Underlying Pony Express Limestone
Geology
Host rockSandstone · Entrada Sandstone
Associated rockRhyolite · Rhyolite
StructureParadox Basin, Uncompahgre Uplift, San Juan Volcanic Field, San Miguel Mtns, Placerville Anticline, Frazier Fault, Ross Graben
Tectonic settingColorado Platform
Economic & production
Development statusPast Producer
First production1917
Last production1944
Identification
Deposit ID10014244
MRDS IDD010929
Alternate namesPolaris, MS 19645, Alchemist Tunnel No. 3, MS 19663, Alchemist Tunnel No. 2, MS 19666, Planet No. 3, MS 19699, Alchemist Mine, Polaris Mine, Rare Metals of Colorado Mine, Patented Claims: Alchemist Tunnel No. 1, MS 19293, Planet No. 7, MS 19296a, Planet Mill Site, MS 19296b, Venus, MS 19366a, Jupiter, MS 19366a, Polaris Mill Site, MS 19366b, Rare Metals, MS 19481, Alchemist Tunnel No. 1, MS 19556, Imperial, MS 19563, Planet No. 5, MS 19565, Planet No. 4, MS 19623, Lebanon, MS 19625, Polaris Tunnel No. 2, MS 19626, Polaris Tunnel No. 1, MS 19644
RegionNA
Data scoreB
Coordinates37.94333, -107.97732
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, 1961, PRELIMINARY GEOLOGIC MAP OF THE GRAY HEAD QUADRANGLE, SAN MIGUEL COUNTY, COLORADO: USGS MAP MF-176.NELSON-MOORE, J.L., AND OTHERS, 1978, RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BIBLIOGRAPHY: CGS BULL. 40, P.404.COLORADO DIV. MINES INF. REPTS. AND ANNUAL OPERATOR REPTS.BLM MINERAL SURVEYS MS 19293, 19296A&B, 19366A&B, 19481, 19556, 19563, 19565, 19623, 19625, 19626, 19644, 19645, 19663, 19666, 19699FISHER AND OTHERS, 1947, P. 133; COLORADO DIV. MINES ANNUAL OPERATOR REPT.; NELSON-MOORE AND OTHERS, 1978, P.404.