Montana · Granite County
Past Producer
Porter Mine
Granite County, Montana, United States
Gold
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USGS source ↗
Commodities
Primary
Gold
Commodity type
M
Deposit
Deposit type
Vein
Deposit size
S
Orebody form
TABULAR
Geology
Host rock
Limestone · Hasmark Formation
Structure
Philipsburg Batholith
Tectonic setting
Cordilleran Miogeosyncline
Alteration
Oxidation
Economic & production
Development status
Past Producer
Identification
Deposit ID
10099708
MRDS ID
W007463
Region
NA
Data score
C
Coordinates
46.25211, -113.20508
References
MBMG BULL 84, P. 42, 44, 45.USGS PP 78.1906 GEOLMAP EMMONS AND CALKINS1968 GEOLMAP MBMG F. N. EARLLMBMG BULL. 84