Commodities
PrimaryLead, Copper, Gold, Silver
TertiaryZinc
Commodity typeM
Deposit
Deposit typeVein
Deposit sizeS
Ore controlNne-Trending Fault/Fracture Transverse To Both Eureka Graben And To Lake City Caldera Ring Fault
Materials
Ore mineralsChalcopyrite, Galena, Gold, Pyrite, Silver, Sphalerite
GangueQuartz
Geology
Host rockRhyolite
Associated rockMonzonite,Rhyolite · Eureka Member Of Sapinero Mesa Tuff;Intrusive Rocks--Monzonite Porphyry;Intrusive Rocks--Rhyolite
StructureSan Juan Volcanic Field, San Juan Depression, San Juan-Uncompahgre Calderas, Lake City Caldera, Eureka Graben
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
Economic & production
Development statusPast Producer
Identification
Deposit ID10014726
MRDS IDD011624
RegionNA
Data scoreB
Coordinates38.01306, -107.47257
References
IRVING, J.D., AND BANCROFT, HOWLAND, 1911, GEOLOGY AND ORE DEPOSITS NEAR LAKE CITY, COLORADO: USGS BULL. 478, P. 79.SLACK, J.F., 1980, MULTISTAGE VEIN ORES OF THE LAKE CITY DISTRICT, WESTERN SAN MOUNTAINS, COLORADO: ECON. GEOLOGY, V. 75, NO. 7, P. 963-991.LIPMAN, P.W., 1976, GEOLOGIC MAP OF THE LAKE CITY CALDERA AREA, WESTERN SAN JUAN MOUNTAINS, SOUTHWESTERN COLORADO: USGS MAP I-962.IRVING AND BANCROFT, 1911, P. 79