Mine detail: Special Session Mine

Previously called 'Polar No. 1, MS 12908Oasis, MS 12908Slide Rock, MS 12908Patented Claims: Special Session, MS 12908Polar No. 2, MS 12908Polar No. 3, MS 12908'

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Location

Lat / long:

37.868, -108.01366

Resource(M)

Primary:	Gold
Secondary:	Copper, Lead, Silver
Tertiary:	Zinc
Ore:	Gold, Pyrite, Sphalerite
Gangue:	Quartz

Production

Operation type:	Underground
Production size:	Small
Development status:	Past Producer
Last production ended:	1940

Geology

Host type:	Gabbro,Granite
Associated rock:	Wilson Peak Stock--Porphyrytic Adamellite;Wilson Peak Stock--Microgranogabbro
Associated type:	Gabbro,Granite
Structure:	Paradox Basin, San Miguel Mtns, Wilson Peak Stock
Tectonic:	Colorado Platform

References

MRDS	D010897
MAS	81130833
DEP	10111404
Reference	{Deposit:: BROMFIELD, C.S., AND OTHERS, 1972, MINERAL RESOURCES OF THE WILSON MOUNTAINS PRIMITIVE AREA, COLORADO: USGS BULL. 1353-A, P.54-55, 66-67.}{Deposit:: BUSH, A.L., AND BROMFIELD, C.S., 1966, GEOLOGIC MAP OF THE DOLORES PEAK QUADRANGLE, DOLORES AND SAN MIGUEL COUNTIES, COLORADO: USGS MAP GQ-536.}{Deposit:: BLM MINERAL SURVEY MS 12908}{Deposit:: COLORADO DIV. MINES INF. REPTS. AND ANNUAL OPERATOR REPTS.}{Deposit:: CDM Summary Annual Report 1960, MMR DOC #407862.}{Production:: BROMFIELD AND OTHERS, 1972, P. 19 (AS COMPILED FROM USGS, USBM, AND US MINT RECORDS)}
Reporter	Wilson, Anna B., Intermountain Field Operations Center (IFOC), Schwochow, Stephen D.