Montana · Powell County
Past Producer
Dark Horse Mine
Powell County, Montana, United States
Gold
Silver
Copper
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USGS source ↗
Description
Thomas Daniels
Commodities
Primary
Gold
Secondary
Silver, Copper
Commodity type
M
Deposit
Deposit size
S
Orebody form
LENS
Materials
Ore minerals
Gold
Gangue
Limonite, Quartz
Geology
Host rock
Limestone · Hasmark Formation
Associated rock
Diorite · Mt. Powell Batholith
Structure
Mount Powell Batholith, Racetrack Pluton
Alteration
Oxidation
Economic & production
Development status
Past Producer
First production
1931
Last production
1940
Discovery year
1918
Identification
Deposit ID
10011235
MRDS ID
D005577
Region
NA
Data score
B
Coordinates
46.30017, -112.99535
References
MBMG BULL 84, P. 48.MBMG BULL 98, P. 25, 61.MBMG BULL 98, P. 61.