Mine detail: Independence Mine

Previously called 'BonanzaIndependence Mill Site AlamosaBaca Grant No. 4Eastern StarIndependentMidnight StarQueen Estherr Claims'

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Location

Lat / long:

37.94584, -105.65002

Resource(M)

Primary:	Gold, Copper, Silver
Ore:	Chalcopyrite, Gold, Pyrite

Production

Operation type:	Underground
Production size:	Small
Development status:	Past Producer
Last production ended:	1937

Geology

Host rock:	Metasedimentary Schist;Granodiorite Gneiss
Host type:	Schist,Gneiss
Associated rock:	Lamprophyre
Associated type:	Diabase,Hornblendite
Structure:	Sangre De Cristo Range, Sierra Blanca Massif, Rio Grande Rift, Sangre De Cristo Fault, Independence Mine Fault
Tectonic:	Central Cordillera (Southern Rocky Mtns)
Alteration processes:	Upper Portions Oxidized To Limonite And Copper Carbonates

References

MRDS	D008966
DEP	10012939
Reference	{Deposit:: COLORADO DIV. MINES MINE MANAGERS REPTS FOR 1900, 1902, 1904, 1905, 1906, 1912, 1913, 1915}{Deposit:: JOHNSON, R.B., 1969, GEOLOGIC MAP OF THE TRINIDAD QUADRANGLE, SOUTH-CENTRAL COLORADO: USGS 1-558}{Deposit:: CLEMENT, J.F., 1952, THE GEOLOGY OF THE NORTHEASTERN BACA GRANT AREA, SAGUACHE COUNTY, COLORADO: COLORADO SCHOOL OF MINES M.S. THESIS T-764}{Deposit:: Sunshine Mining Co. Colorado exploration files, unpublished data, Colorado Geological Survey.}
Reporter	Schwochow, Stephen D., Beach, RIchard A.