Mine detail: Great Eastern Mine

Previously called 'Contact Lode Diamond Placer'

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Location: Deer Lodge County, Montana, United States, North America
Lat / long: 46.19906, -112.97673
dep_id: 10070446
mrds_id: W013386
Commodity type: metallic and nonmetallic
Major mineral: Gold, Silver
Minor mineral: Copper, Zinc, Stone, Crushed/Broken, Dolomite
Operation type: Unknown
Production size: Small ammount of material produced
Development status: Past Producer
gangue: Limonite, Quartz
orebody_fm: TABULAR, PODS AND LENSES
work_type: Underground
alteration: Oxidation
conc_proc: Gravity Conc.
ore_ctrl: Contact Between Stock And Limestone
Reporter: Krohn, Douglas H., Wise, Kristine K. (Elliott, James E.)
hrock_unit: Madison Limestone
hrock_type: Limestone
arock_unit: Lost Creek Granite Stock
arock_type: Granite
Structure: Mount Powell Batholith, Lost Creek Granite Stock
tectonic: Cordilleran Miogeosyncline
Year first produced: 1903
disc_yr: 1894
References:
  • Deposit:: MBMG BULL 84, P. 27, 28, 51, 52.
  • Deposit:: MBMG BULL 109, P. 5.
  • Deposit:: DEMA RECORDS
  • Deposit:: MBMG BULL 94, P. 10, 18-19.
  • Production:: EARLL, 1972, MBMG BULL. 84
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