Mine detail: Dee Stock

Previously called ''

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Location

Lat / long:

37.30085, -106.49532

Resource(M)

Tertiary:	Copper, Molybdenum, Lead, Zinc
Ore:	Chalcopyrite, Galena, Marcasite, Molybdenite, Pyrite, Sphalerite
Gangue:	Chalcedony, Quartz, Sericite
Orebody form:	SUBCIRCULAR
Discovery year:	1971

Production

Operation type:	Unknown
Production size:	None
Development status:	Occurrence

Geology

Host rock:	Conejos Formation--Volcaniclastic Facies;Summitville Andesite
Host type:	Rhyolite
Associated rock:	Intrusive Rocks--Rhyolite Porphyry
Associated type:	Rhyolite,Andesite
Structure:	San Juan Volcanic Field, Platoro Caldera, Platoro Fault Zone, Dee Stock
Tectonic:	Central Cordillera (Southern Rocky Mtns)
Alteration processes:	Sericitization Of Plagioclase; Silicification

References

MRDS	D010727
DEP	10014098
Reference	{Deposit:: BIRD, W.H., 1972, MINERAL DEPOSITS OF THE SOUTHERN PORTION OF THE PLATORO CALDERA COMPLEX, SOUTHEAST SAN JUAN MOUNTAINS, COLORADO: MTN, GEOLOGIST, V. 9, NO. 4, P. 379-387.}{Deposit:: BIRD, W.H., 1973, THE DEVELOPMENT OF THE SOUTHERN PORTION OF THE PLATORO CALDERA COMPLEX AND ITS RELATED MINERAL DEPOSITS, SOUTHEAST SAN JUAN MOUNTAINS, COLORADO: COLORADO SCHOOL OF MINES THESIS T-1440.}{Deposit:: LIPMAN, P.W., 1974, GEOLOGIC MAP OF THE PLATORO CALDERA AREA, SOUTHEASTERN SAN JUAN MOUNTAINS, SOUTHWESTERN COLORADO: USGS MAP I-828.}
Reporter	Schwochow, Stephen D.