Mine detail: Ontario Mine

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Location: Deer Lodge County, Montana, United States, North America
Lat / long: 46.20017, -113.25869
dep_id: 10019613
mrds_id: DC10954
Commodity type: metallic and nonmetallic
Major mineral: Silver
Minor mineral: Lead, Copper
Trace mineral: Barium-Barite, Arsenic
Operation type: Unknown
Production size: Small ammount of material produced
Development status: Past Producer
ore: Galena, Tetrahedrite
gangue: Barite
Reporter: Unknown, Wise, Kristine K. (Elliott, James E.)
hrock_unit: Jefferson Formation
hrock_type: Limestone
Structure: Philipsburg Batholith, Cable Stock
ylp_ba: <
yr_lst_prd: 1906
prod_yrs: PRE-1906
References:
  • Deposit:: USGS PP 78, P. 238.
  • Deposit:: MBMG BULL 84, P. 18-19.
  • Production:: EMMONS, 1913, USGS PROF PAPER 78
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