Montana · Madison County
Occurrence
Ramshorn Creek Deposits
Madison County, Montana, United States
Mica
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USGS source ↗
Commodities
Primary
Mica
Commodity type
N
Deposit
Deposit size
N
Ore control
Pegmatite Dikes.
Materials
Ore minerals
Muscovite
Geology
Host rock
Gneiss
Economic & production
Development status
Occurrence
Identification
Deposit ID
10090796
MRDS ID
D004313
Region
NA
Data score
D
Coordinates
45.44573, -111.98419
References
HEINRICH, E, 1949, PEGMATITE MINERAL DEPOSITS IN MONTANA, MONT. BUR. OF MINES AND GEOL., MEM. 28, P.211949 COMPILE MBMG, MEM 2