Montana · Granite County
Past Producer

N G Group

Granite County, Montana, United States
SilverManganese
⌖ Show on mapUSGS source ↗
Commodities
TertiarySilver, Manganese
Commodity typeM
Materials
Other materialsGalena, Limonite, Quartz, Sphalerite, Wad
Economic & production
Development statusPast Producer
First production1918
Discovery year1917
Identification
Deposit ID10148435
Alternate namesMystery
RegionNA
Data scoreC
Coordinates46.33379, -113.27782
References
PRINZ,1967,USGS BULL 1237,P17,PL1PARDEE,1922,USGS BULL 725C P173EMMONS AND CALKINS,1913,USGS PP 78,P212PRINZ AND ZOLDOK 1959 UNPUB USBM RPT "FINAL REPORT CONTRACT