Mine detail: Copperhead Mine

Previously called 'Triple-T Mine'

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Location

Lat / long: 38.11862, -105.78558

Resource(M)

Primary: Gold, Silver, Copper
Secondary: Lead
Ore: Chalcopyrite, Galena, Pyrite
Gangue: Quartz, Epidote, Specularite

Production

Operation type: Surface-Underground
Production size: None
Development status: Past Producer

Geology

Host rock:Migmatitic Gneiss
Host type:Gneiss
Structure:Sangre De Cristo Fault, Sawatch Arch, Sangre De Cristo Range, Rio Grande Rift
Tectonic:Central Cordillera (Southern Rocky Mtns)

References

MRDSD010578
DEP10013991
Reference{Deposit:: SCOTT, G.R., AND OTHERS, 1978, GEOLOGIC MAP OF THE PUEBLO 1X2 QUADR ANGLE, SOUTH-CENTRAL COLORADO: USGS MAP I-1022}{Deposit:: COLORADO DIVISION OF MINES, 1958, SUMMARY OF MINERAL INDUSTRY ACTIV ITIES IN COLORADO: COLO. DIV. MINES ANN. REPT.}{Deposit:: COLORADO DIV. MINES INF. REPT.}{Deposit:: Benson, R.G., 1997, Detachment fault-related mineralization in a rift setting at the San Luis gold deposit and Sangre de Cristo Mountains, Alamosa, Costilla, and Saguache Counties, Colorado: Golden, Colorado School of Mines, Ph.D. dissertation, 226 p.}{Deposit:: Ellis, C.E., Hannigan, B.J., and Thompson, J.R., 1983, Mineral investigation of the Sangre de Cristo Wilderness Study Area, Alamosa, Custer, Fremont, Huerfano, and Saguache Counties, Colorado, U.S. Bureau of Mines MLA 65-83, 190 p.}
ReporterSchwochow, Stephen D., Keller, John W.