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Mine detail: Bryant
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North America
United States
Montana
Granite
Previously called 'Seal RockLady Byron'
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Location
Lat / long:
46.33209, -113.27152
Resource(M)
Tertiary:
Manganese
Other material:
Kaolinite, Limonite, Psilomelane, Quartz, Wad
Production
Operation type:
Surface-Underground
Development status:
Past Producer
First production started:
1918
Geology
References
MAS
300390006
DEP
10123590
Reference
{Deposit:: LORAIN,1950,USBM RI 4723,FIG.4}{Deposit:: PARDEE,1921,USGS BULL 725C,P166}{Deposit:: ANON NO DATE INV.MIN.RES.MONT.MANGANESE UNPUB RPT.FERA PJT.S}
Reporter
Montana Bureau Of Mines And Geology Hgm