Mine detail: Ophir Creek Placer

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Location: Powell County, Montana, United States, North America
Lat / long: 46.63184, -112.54312
dep_id: 10019346
mrds_id: DC09602
Commodity type: metallic
Major mineral: Gold
Operation type: Unknown
Deposit type: Placer
Production size: Small ammount of material produced
Development status: Past Producer
ore: Gold, Tetrahedrite
gangue: Quartz, Pyrite, Calcite, Tourmaline, Garnet, Magnetite
model: 119: Placer Au-PGE
conc_proc: Gravity Conc.
Reporter: Unknown, Wise, Kristine K. (Elliott, James E.)
hrock_type: Gravel
arock_unit: RYOLITE, QUARTZ MONZONITE,BUTTE QUARTZ MONZONITE (BOULDER BATHOLITH)
arock_type: Quartz Monzonite
Structure: Boulder Batholith
disc_yr: 1865
discr: Dave Johns And His Indian Wife
References:
  • Deposit:: MBMG MEM NO 26, P.119, 127-8.
  • Deposit:: USGS BULL 842, P. 31.
  • Deposit:: USGS PP 610, P. 168.
  • Production:: MBMG MEM NO 26, P. 128.
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