Commodities
PrimaryCopper
Commodity typeM
Deposit
Model85: Polymetallic veins
Deposit sizeN
WorkingsUnderground
Ore controlFaults, Fracture Zones Paralleling Monzonite Dikes; Coaly Material
Materials
Ore mineralsChalcocite, Malachite
GangueCalcite, Limonite, Pyrite
Geology
Host rockShale,Sandstone · Dolores Formation
Associated rockMonzonite · Porphyritic Rocks--Monzonite Porphyry
StructureSan Juan Uplift, Four Corners Platform, La Plata Dome
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
AlterationHydrothermal Alteration, Bleaching
Economic & production
Development statusProspect
Discovery year1882
Identification
Deposit ID10013143
MRDS IDD009281
RegionNA
Data scoreB
Coordinates37.55084, -108.16148
References
GODDARD, E.N., 1949, COPPER DEPOSITS OF THE BEAR CREEK DISTRICT, IN ECKEL, E.B., 1949, GEOLOGY AND ORE DEPOSITS OF THE LA PLATA DISTRICT, COLORADO: USGS PROF. PAPER 219, P. 70-72, 98 , PL. 13, #3.