Mine detail: Challenger Mine

Previously called 'ChallengerClaims: Heline No. 1'

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Location: Larimer County, Colorado, United States, North America
Lat / long: 40.64637, -105.42281
dep_id: 10013964
mrds_id: D010541
Commodity type: metallic
Major mineral: Tungsten
Trace mineral: Molybdenum
Operation type: Unknown
Production size: Small ammount of material produced
Development status: Past Producer
ore: Powellite, Scheelite
work_type: Surface/Underground
Reporter: Schwochow, Stephen D.
hrock_unit: Amphibolite;Migmatitic Biotite Schist
hrock_type: Schist
arock_unit: Pegmatite;Aplite
arock_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)
yr_lst_prd: 1942
disc_yr: 1932
References:
  • 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
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