Mine detail: Jay Gould Mine

Previously called ''

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Location

Lat / long:

38.15057, -105.45057

Resource(M)

Primary:	Silver
Secondary:	Lead, Copper, Zinc
Ore:	Chalcopyrite, Galena, Sphalerite, Tetrahedrite, Cerussite, Anglesite
Gangue:	Pyrite, Quartz, Fluorite, Barite, Calcite
Orebody form:	BRECCIA PIPE
Discovery year:	1882

Production

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

Geology

Host type:	Rhyolite
Associated rock:	Silver Cliff Rhyolite Unit 1; Undivided Silver Cliff Rhyolite
Associated type:	Rhyolite
Structure:	Silver Cliff Volcanic Center, Wet Mtns, Wet Mtn Valley, Breccia Pipe, Small Faults, Volcanic Vent
Tectonic:	Central Cordillera (Southern Rocky Mtns)
Alteration processes:	Weak Argillization

References

MRDS	D007665
DEP	10012193
Reference	{Deposit:: CROSS, WHITMAN, 1896, GEOLOGY OF SILVER CLIFF AND THE ROSITA HILLS, COLORADO: USGS 17TH, ANN. REPORT, PT 2, P. 263-403.}{Deposit:: FIELDMAN, D.W. AND CROWLEY, F.P., 1980, SILVER DEPOSITS IN THE SOUTHERN PORTION OF THE SILVER CLIFF CALDERA, IN SILVER CLIFF VOLCANIC CENTER AND TALLAHASSEE CREEK URANIUM DEPOSITS: DENVER REGIONAL EXPLORATION GEOLOGISTS GUIDEBOOK, P. 1-14.}{Deposit:: SHARP, W.M., 1978, GEOLOGIC MAP OF THE SILVER CLIFF AND ROSITA VOLCANIC CENTERS, CUSTER COUNTY, COLORADO: USGS MAPS I-1081.}
Reporter	Collins, Donna B.