Mine detail: Colusa Mine

Previously called 'East Colusa Pit'

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Location: Silver Bow County, Montana, United States, North America
Lat / long: 46.02407, -112.50783
dep_id: 10019551
mrds_id: DC10804
Commodity type: metallic
Major mineral: Copper
Minor mineral: Silver
Operation type: Unknown
Production size: Production occurred
Development status: Past Producer
ore: Chalcocite, Enargite
gangue: Limonite, Pyrite, Quartz
orebody_fm: THE VEIN CONTINUES W BEYOND THE GAMBETTA FAULT AS THE SHANNON VEIN. THE GRANITE ACCOMPANYING THE LODE IS GENERALLY WELL SERICITIZED AND PEPPERED WITH PYRITE
conc_proc: Steep-North
Reporter: Unknown, Wise, Kristine K. (Elliott, James E.)
hrock_type: Quartz Monzonite,Granite
arock_unit: Boulder Batholith
arock_type: Quartz Monzonite,Granite
Structure: Boulder Batholith, N 65 E
References:
  • Deposit:: USGS PP 74, PL. X, P. 203.
  • Deposit:: MBMG BULL 10, P. 60.
  • Deposit:: USGS-USBM MINERAL YEARBOOKS 1955, 1956
  • Production:: USGS-USBM MINERAL YEARBOOK; USGS PP 74
© 2010-2018 Lee C. Baker unless noted. All rights reserved.