Montana · Madison County
Past Producer
Hudson Group
Madison County, Montana, United States
Gold
Silver
Copper
Zinc
Lead
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USGS source ↗
Commodities
Primary
Gold, Silver
Secondary
Copper, Zinc, Lead
Commodity type
M
Deposit
Deposit type
Contact Metasomatic
Deposit size
S
Orebody form
IRREGULAR SHOOTS AND BUNCHES
Ore control
Limestone-Quartz Monzonite Contact
Materials
Gangue
Asbestos, Calcite, Epidote, Garnet, Serpentine, Siderite
Geology
Host rock
Limestone · Limestone
Associated rock
Quartz Monzonite · Butte Quartz Monzonite
Structure
Boulder Batholith
Alteration
Oxidation
Economic & production
Development status
Past Producer
Identification
Deposit ID
10019751
MRDS ID
DC11363
Region
NA
Data score
B
Coordinates
45.69434, -112.31115
References
USGS BULL 574, P. 142-144.MBMG MEM 19, P. 50.CONSV. DIV. COMP. DATE, 05-23-19631914 RECON WINCHELL, A.N., U.S.G.S. BULL., 5741950 GEOLMAP MBMG MEM. 19