Commodities
PrimaryCopper
SecondarySilver
Commodity typeM
Deposit
Deposit sizeS
Orebody formLENSOID, TABULAR, POD-LIKE
Ore controlWall Rock And Fault/Fracture Control; Fault Intersections
Materials
Ore mineralsChalcopyrite, Silver
GangueActinolite, Anthophyllite, Chlorite, Clinozoisite, Epidote, Garnet, Magnetite, Quartz, Sphene
Geology
Host rockGneiss · Biotite Gneiss, Migmatitic Gneiss
Associated rockQuartz Monzonite,Volcanic Breccia (Agglomerate),Rhyolite,Granite · Boulder Creek Granite, Quartz Monzonite;Rhyolitic And Andesitic Tuff And Tuff Breccia
StructureThirtyone Mile Mountain Volcanic Center, Thirtynine Mile Volcanic Field, Front Range, Currant Creek Fault And Related Nw-Trending Faults
Tectonic settingCentral Cordillera (Southern Rocky Mountains)
Economic & production
Development statusPast Producer
Identification
Deposit ID10087862
MRDS IDD010342
RegionNA
Data scoreB
Coordinates38.70722, -105.56308
References
HEINRICH, E.W., 1981, PRECAMBRIAN TUNGSTEN AND COPPER-ZINC SKARN DEPOSITS OF SOUTH-CENTRAL COLORADO: CGS RESOURCE SERIES 21, 115 P.BELSER, CARL, 1956, TUNGSTEN POTENTIAL IN CHAFFEE, FREMONT, GUNNISON, LAKE, LARIMER, PARK, AND SUMMIT COUNTIES, COLORADO: USBM INFORMATION CIRCULAR 7748, P. 19-26EPIS, R.C., WOBUS, R.A. AND SCOTT, G.R., 1979, GEOLOGIC MAP OF THE BLACK MOUNTAIN QUADRANGLE, FREMONT AND PARK COUNTIES, COLORADO: USGS MAP I-1195, 1:62,500.