Commodities
PrimaryTungsten, REE
Commodity typeM
Deposit
Deposit sizeN
Ore controlWall Rock Control
Materials
Ore mineralsAllanite, Euxenite, Ilmenite, Monazite
GangueApatite, Bornite, Calcite, Chalcopyrite, Chlorite, Clinozoisite, Copper, Diopside, Epidote, Magnetite, Quartz, Sphalerite, Sphene, Thulite, Zoisite
Geology
Host rockGneiss · Idaho Springs Formation;Idaho Springs Formation
Associated rockDiorite · Boulder Creek;Boulder Creek;
StructureFront Range, Thirtynine Mile Volcanic Field, Antelope Mountain And Guffey Volcanic Centers, Currant Creek Fault And Related Nw-Trending Faults
Tectonic settingCentral Cordillera, Southern Rocky Mountains
Economic & production
Development statusOccurrence
Identification
Deposit ID10008730
MRDS IDD001082
RegionNA
Data scoreB
Coordinates38.75, -105.56725
References
LEMMON, D.M., AND TWETO, O.L., 1962, TUNGSTEN IN THE U.S., USGS MAP, MR-25.BELSER, CARL, 1956, TUNGSTEN POTENTIAL IN CHAFFEE, FREMONT, GUNNISON, LAKE, LARIMER, PARK AND SUMMIT COUNTIES, COLORADO: USBM INFORMATION CIRCULAR 7748, P. 7-10.EPIS, 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.EPIS, R.C., WOBUS, R.A., AND SCOTT, G.R., 1979, GEOLOGIC MAP OF THE GUFFEY QUADRANGLE, PARK COUNTY, COLORADO: USGS MAP I-1180, 1:62,500.00HEINRICH, E.W., 1981, PRECAMBRIAN TUNGSTEN AND COPPER-ZINC SKARN DEPOSITS OF SOUTH-CENTRAL COLORADO: CGS RESOURCE SERIES 21, 115 P.