Montana · Granite County
Past Producer

Bryant

Granite County, Montana, United States
Manganese
⌖ Show on mapUSGS source ↗
Commodities
TertiaryManganese
Commodity typeM
Materials
Other materialsKaolinite, Limonite, Psilomelane, Quartz, Wad
Economic & production
Development statusPast Producer
First production1918
Identification
Deposit ID10123590
Alternate namesSeal Rock, Lady Byron
RegionNA
Data scoreC
Coordinates46.33209, -113.27152
References
LORAIN,1950,USBM RI 4723,FIG.4PARDEE,1921,USGS BULL 725C,P166ANON NO DATE INV.MIN.RES.MONT.MANGANESE UNPUB RPT.FERA PJT.S