Mine detail: Virginia Mine

Previously called 'West Virginia Claim ?Blue Lode'

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Location

Lat / long:

38.10251, -105.33446

Resource(M)

Primary:	Lead, Silver
Secondary:	Copper
Tertiary:	Iron
Ore:	Chalcopyrite, Galena, Pyrite, Silver, Stephanite, Tetrahedrite
Gangue:	Barite, Calcite
Discovery year:	1874

Production

Operation type:	Underground
Production size:	Small
Development status:	Past Producer

Geology

Host rock:	Rosita Andesite;Game Ridge Trachyte; Ore On Both Sides Of Dike
Host type:	Andesite,Tuff,Volcanic Breccia (Agglomerate)
Structure:	Rosita Volcanic Center, Wet Mtns, Rosita Fault, Humboldt-Pocahontas Vein
Tectonic:	Central Cordillera (Southern Rocky Mtns)
Alteration processes:	Weakly Argillized

References

MRDS	D008073
DEP	10012440
Reference	{Deposit:: CROSS, WHITMAN, 1896, GEOLOGY OF SILVER CLIFF AND THE ROSITA HILLS, COLORADO: USGS 17TH ANN. REPORT, PT 2, P. 263-403.}{Deposit:: EMMONS, S.F., 1896, THE MINES OF CUSTER COUNTY, COLORADO: USGS 17TH ANN. REPORT, PT 2, P. 405-472.}{Deposit:: SHARP, W.N., 1978, GEOLOGIC MAP OF THE SILVER CLIFF AND ROSITA VOLCANIC CENTERS, CUSTER COUNTY, COLORADO: USGS MAP I-1081, 1:24,000.}{Production:: EMMONS, S.F., 1896; COLO. DIVISION MINES INSPECTION RECORDS}
Reporter	Collins, Donna B.