Commodities
PrimaryTungsten
TertiaryMolybdenum
Commodity typeM
Deposit
Deposit sizeS
WorkingsSurface/Underground
Materials
Ore mineralsPowellite, Scheelite
Geology
Host rockSchist · Amphibolite;Migmatitic Biotite Schist
Associated rockPegmatite · Pegmatite;Aplite
StructureFront Range Uplift, Sherman Batholith, Poudre River Shear Zone, Skin Gulch Shear Zone, Poverty Flats Synf Orm, South Fork Antiform, Clark Synform
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
Economic & production
Development statusPast Producer
Last production1942
Discovery year1932
Identification
Deposit ID10013964
MRDS IDD010541
Alternate namesChallenger, Claims: Heline No. 1
RegionNA
Data scoreB
Coordinates40.64637, -105.42281
References
COBB, H.S., 1960, TUNGSTEN MINES OF COLORADO: COLORADO METAL MINING FUND BD., P. 19.ABBOTT, J.T., 1976, GEOLOGIC MAP OF THE BIG NARROWS QUADRANGLE, LAR IMER COUNTY, COLORADO: USGS MAP GQ-1323.BELSER, CARL, 1956, TUNGSTEN POTENTIAL IN CHAFFEE, FREMONT, GUNNISO N, LAKE, LARIMER, PARK, AND SUMMIT COUNTIES, COLORADO: IC-7748, P. 18.TWETO, OGDEN, 1960, SCHEELITE IN THE PRECAMBRIAN GNEISSES OF COLORA DO: ECON. GEOLOGY, V. 55, NO. 7, P. 1428.BELSER, 1956, P. 18