Mine detail: Copper Girl

Previously called 'Copper Girl 1906Patented Claims: Valley View'

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Location

Lat / long:

38.40473, -105.39696

Resource(M)

Primary:	Copper
Secondary:	Silver
Tertiary:	Molybdenum
Ore:	Bornite, Chalcopyrite, Malachite, Molybdenite, Silver
Gangue:	Quartz, Schist
Discovery year:	1906

Production

Operation type:	Underground
Production size:	Small
Development status:	Past Producer
First production started:	1915
Last production ended:	1917

Geology

Host rock:	Migmatitic Gneiss
Host type:	Schist,Gneiss
Associated rock:	Granodiorite
Associated type:	Quartz Monzonite,Diorite,Pegmatite,Granite
Structure:	Northern Wet Mountains, Canon City Embayment, Thirtynine Mile Volcanic Field, Goat Park Fault (Ne-Trending), Ilse Fault
Tectonic:	Central Cordillera (Southern Rocky Mountains)
Alteration processes:	Altered Biotite Gneisses; Kaolinization

References

MRDS	D009633
DEP	10013373
Reference	{Deposit:: COKER, R. J., 1982, MINERAL RESOURCES OF THE ARKANSAS CANYON PLANNING UNIT WITH SPECIAL EMPHASIS ON THE FORMER GRAPE CREEK WILDERNESS STUDY AREAS AND THE MCINTYRE HILLS WILDERNESS STUDY AREA: US BLM MINERAL REPORT, P. 39-43}{Deposit:: TAYLOR, R. B., SCOTT, G. R., WOBUS, R. A., AND EPIS, R. C., 1975, RECONNAISSANCE GEOLOGIC MAP OF THE ROYAL GORGE QUADRANGLE, FREMONT AND CUSTER COUNTIES, COLORADO: USGS MAP I-869, 1: 62,500.}{Deposit:: WORCESTER, P. G., 1919, MOLYBDENUM DEPOSITS OF COLORADO, WITH GENERAL NOTES ON THE MOLYBDENUM INDUSTRY: CGS BULLETIN 14, P. 55-57.}{Production:: COKER, 1982}
Reporter	Collins, Donna B.