Montana · Silver Bow County
Past Producer
Mary Ann Property
Silver Bow County, Montana, United States
Silver
Gold
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USGS source ↗
Commodities
Primary
Silver, Gold
Commodity type
M
Deposit
Deposit size
S
Workings
Underground
Ore control
Breccia Zone
Materials
Gangue
Jasper, Limonite, Quartz
Geology
Host rock
Dolomite · Pilgrim;Jefferson Limestone
Associated rock
Quartz Monzonite · Moose Creek Pluton
Structure
Boulder Batholith, Moose Creek Pluton, Fault Zone Trends N 25 W
Alteration
Oxidation, Brecciation, Leaching
Economic & production
Development status
Past Producer
Identification
Deposit ID
10010554
MRDS ID
D004327
Region
NA
Data score
B
Coordinates
45.78157, -112.57171
References
MBMG MEM 32, P. 521950 GEOLMAP MBMG MEMOIR 321980 GEOLMAP SMEDES, H., HUMBUG SPIRES MAP