Mine detail: Carpenter Mine

Previously called 'Polaris, MS 19645Alchemist Tunnel No. 3, MS 19663Alchemist Tunnel No. 2, MS 19666Planet No. 3, MS 19699Alchemist Mine, Polaris Mine, Rare Metals of Colorado MinePatented Claims: Alchemist Tunnel No. 1, MS 19293Planet No. 7, MS 19296aPlanet Mill Site, MS 19296bVenus, MS 19366aJupiter, MS 19366aPolaris Mill Site, MS 19366bRare Metals, MS 19481Alchemist Tunnel No. 1, MS 19556Imperial, MS 19563Planet No. 5, MS 19565Planet No. 4, MS 19623Lebanon, MS 19625Polaris Tunnel No. 2, MS 19626Polaris Tunnel No. 1, MS 19644'

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Location

Lat / long:

37.94333, -107.97732

Resource(M)

Primary:	Vanadium
Tertiary:	Uranium

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
First production started:	1917
Last production ended:	1944

Geology

Host rock:	Entrada Sandstone
Host type:	Sandstone
Associated rock:	Rhyolite
Associated type:	Rhyolite
Structure:	Paradox Basin, Uncompahgre Uplift, San Juan Volcanic Field, San Miguel Mtns, Placerville Anticline, Frazier Fault, Ross Graben
Tectonic:	Colorado Platform

References

MRDS	D010929
DEP	10014244
Reference	{Deposit:: 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.}{Deposit:: BUSH, A.L., AND OTHERS, 1961, PRELIMINARY GEOLOGIC MAP OF THE GRAY HEAD QUADRANGLE, SAN MIGUEL COUNTY, COLORADO: USGS MAP MF-176.}{Deposit:: NELSON-MOORE, J.L., AND OTHERS, 1978, RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BIBLIOGRAPHY: CGS BULL. 40, P.404.}{Deposit:: COLORADO DIV. MINES INF. REPTS. AND ANNUAL OPERATOR REPTS.}{Deposit:: BLM MINERAL SURVEYS MS 19293, 19296A&B, 19366A&B, 19481, 19556, 19563, 19565, 19623, 19625, 19626, 19644, 19645, 19663, 19666, 19699}{Production:: FISHER AND OTHERS, 1947, P. 133; COLORADO DIV. MINES ANNUAL OPERATOR REPT.; NELSON-MOORE AND OTHERS, 1978, P.404.}
Reporter	Schwochow, Stephen D.