Mine detail: Challenger Mine

Previously called 'ChallengerClaims: Heline No. 1'

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Location

Lat / long:

40.64637, -105.42281

Resource(M)

Primary:	Tungsten
Tertiary:	Molybdenum
Ore:	Powellite, Scheelite
Discovery year:	1932

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
Last production ended:	1942

Geology

Host rock:	Amphibolite;Migmatitic Biotite Schist
Host type:	Schist
Associated rock:	Pegmatite;Aplite
Associated type:	Pegmatite
Structure:	Front Range Uplift, Sherman Batholith, Poudre River Shear Zone, Skin Gulch Shear Zone, Poverty Flats Synf Orm, South Fork Antiform, Clark Synform
Tectonic:	Central Cordillera (Southern Rocky Mtns)

References

MRDS	D010541
DEP	10013964
Reference	{Deposit:: COBB, H.S., 1960, TUNGSTEN MINES OF COLORADO: COLORADO METAL MINING FUND BD., P. 19.}{Deposit:: ABBOTT, J.T., 1976, GEOLOGIC MAP OF THE BIG NARROWS QUADRANGLE, LAR IMER COUNTY, COLORADO: USGS MAP GQ-1323.}{Deposit:: BELSER, CARL, 1956, TUNGSTEN POTENTIAL IN CHAFFEE, FREMONT, GUNNISO N, LAKE, LARIMER, PARK, AND SUMMIT COUNTIES, COLORADO: IC-7748, P. 18.}{Deposit:: TWETO, OGDEN, 1960, SCHEELITE IN THE PRECAMBRIAN GNEISSES OF COLORA DO: ECON. GEOLOGY, V. 55, NO. 7, P. 1428.}{Production:: BELSER, 1956, P. 18}
Reporter	Schwochow, Stephen D.