Mine detail: Hidden Treasure

Previously called 'Hidden Treasure Group'

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Location: Missoula County, Montana, United States, North America
Lat / long: 46.78017, -113.66538
dep_id: 10069762
mrds_id: W007437
Commodity type: metallic
Major mineral: Copper, Silver, Gold
Minor mineral: Lead, Zinc
Trace mineral: Arsenic
Operation type: Unknown
Production size: Small ammount of material produced
Development status: Past Producer
ore: Anglesite, Chalcocite, Chalcopyrite, Enargite, Galena, Gold, Malachite, Smithsonite, Sphalerite
gangue: Pyrite, Quartz
orebody_fm: IRREGULAR LENSES
conc_proc: Supergene
ore_ctrl: Shear Zone That Is 25-40ft Wide.
Reporter: Mlynarczyk, Meg S., Wise, Kristine K. (Elliott, James E.)
hrock_unit: Missoula Group
hrock_type: Quartzite
Structure: Bearmouth Overthrust, Clinton Stock
Year first produced: 1889
disc_yr: 1879
discr: Mr. Keime, Sr.
References:
  • Deposit:: MBMG BULL 40.
  • Deposit:: MBMG BULL 8, P1 4&6, P. 33-35.
  • Deposit:: PIQUETTE, J. F., 1940, GEOLOGY & ORE DEPOSITS OF THE CLINTON MINING DISTRICT: MONTANA SCHOOL OF MINES B. S. THESIS.
  • Deposit:: MINING WORLD, VOL V, NO 24.
  • Deposit:: USGS BULL 660, P. 227.
  • Production:: MBMG BULL 8, P. 33.
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