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California Mine, Upper Browns Creek area, Nathrop, Chaffee Co., Colorado, USA

Ref.: (in part): Rocks & Min.:59:15 & 64:7. The mine is on the south slope of the divide between Browns Creek and Baldwin Gulch, about 2 mi southwest of Mount Antero, and West of Nathrop, at an altitude of 12,500 ft. It can be reached from the southeast by a hiking trail up Browns Creek from U.S. Highway 285 near Nathrop or by the jeep road up Baldwin Gulch from Chalk Creek to Mount Antero. The mine may be accessed from the Mount Antero road at an intersection in the saddle between Mount Antero and Mount White. ("Minerals of Colorado, updated & revised", p. 11, by Eckel, Edwin B., 1997)





Mineral List:
  • Anatase
  • Beryl
       var: Aquamarine
       var: Goshenite
  • Biotite
  • Brannerite
  • 'Columbite'
  • Ferrimolybdite
  • Fluorite
  • Jarosite
  • Magnetite
  • Molybdenite
  • Muscovite
  • Pyrite
  • Quartz
  • Rutile
  • 'Sericite'
  • Topaz


    18 entries listed. 13 valid minerals.

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    Copyright © Jolyon & Ida Ralph 1993-2008. Jobs in Colorado, USA Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register.