Montana · Madison County
Occurrence
Horse Creek Quartz Diorite Pegmatite
Madison County, Montana, United States
Chromium
Mica
Feldspar
Quartz
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USGS source ↗
Commodities
Primary
Chromium, Mica, Feldspar, Quartz
Commodity type
B
Deposit
Deposit size
N
Ore control
Fractures
Materials
Ore minerals
Chromite
Geology
Host rock
Peridotite · Pre Belt
Economic & production
Development status
Occurrence
Identification
Deposit ID
10019910
MRDS ID
DC11909
Region
NA
Data score
C
Coordinates
45.43546, -112.11725
References
MONT. B.M. AND GEOL. MEM. 28, 1949, P. 26, 27.CONSV. DIV. COMP. DATE, 07-11-1963