Montana · Powell County
Past Producer
Ophir Creek Placer
Powell County, Montana, United States
Gold
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USGS source ↗
Description
Dave Johns And His Indian Wife
Commodities
Primary
Gold
Commodity type
M
Deposit
Deposit type
Placer
Model
119: Placer Au-PGE
Deposit size
S
Materials
Ore minerals
Gold, Tetrahedrite
Gangue
Quartz, Pyrite, Calcite, Tourmaline, Garnet, Magnetite
Geology
Host rock
Gravel
Associated rock
Quartz Monzonite · RYOLITE, QUARTZ MONZONITE,BUTTE QUARTZ MONZONITE (BOULDER BATHOLITH)
Structure
Boulder Batholith
Economic & production
Development status
Past Producer
Discovery year
1865
Identification
Deposit ID
10019346
MRDS ID
DC09602
Region
NA
Data score
B
Coordinates
46.63184, -112.54312
References
MBMG MEM NO 26, P.119, 127-8.USGS BULL 842, P. 31.USGS PP 610, P. 168.MBMG MEM NO 26, P. 128.