Mine detail: Unnamed Silver-Lead Occurrence

Previously called ''

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Location

Lat / long:

37.34946, -106.75617

Resource(M)

Tertiary:	Silver, Lead, Copper, Gold
Gangue:	Calcite
Discovery year:	1975

Production

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

Geology

Host rock:	Conejos Formation--Volcaniclastic Facies
Host type:	Conglomerate,Volcanic Rock (Aphanitic),Volcanic Breccia (Agglomerate),Rhyodacite
Associated rock:	Conejos Formation--Vent Facies
Associated type:	Rhyolite
Structure:	San Juan Volcanic Field, Platoro Caldera, Unnamed Fault, Quartz Creek Anticline, Crater Creek Stock
Tectonic:	Central Cordillera (Southern Rocky Mtns)
Alteration processes:	Hydrothermal

References

MRDS	D010627
DEP	10014020
Reference	{Deposit:: LINDQUIST, A.E., 1977, METALLIC AND COAL RESOURCES, IN MINERAL RESOURCES OF THE CHAMA-SOUTHERN SAN JUAN MOUNTAINS WILDERNESS STUDY AREA, MINERAL, RIO GRANDE, ARCHULETA, AND CONEJOS COUNTIES, COLORADO: USGS OPEN-FILE REPT. 77-309.}{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.