Montana · Beaverhead County
Past Producer
Crystal Graphite Mine
Beaverhead County, Montana, United States
Graphite
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USGS source ↗
Description
Mr. Robbins
Commodities
Primary
Graphite
Commodity type
N
Deposit
Deposit size
Y
Workings
Underground
Orebody form
PINCH AND SWELL, BUNCHES, POCKETS
Ore control
Veins Appear To Be Associated With Pegmatite Dike
Materials
Ore minerals
Graphite
Geology
Host rock
Gneiss · Pre Belt
Associated rock
Diabase,Pegmatite,Granite
Structure
Foliation Trends Generally Ne And Dips Nw. Tight Isoclinal Folds
Economic & production
Development status
Past Producer
First production
1902
Discovery year
1899
Identification
Deposit ID
10070489
MRDS ID
W013440
Region
NA
Data score
B
Coordinates
45.10268, -112.50587
References
MBMG BULL 85.USGS BULL 574, P. 105-110.1914 COMPILE WINCHELL, A.N., U.S.G.S. BULL. 5741972 COMPILE M.B.M.G. BULL. 85GEACH, 1972, MBMG BULL 85.