Commodities
TertiaryTantalum, Niobium (Columbium), Feldspar
Commodity typeB
Economic & production
Development statusPast Producer
Identification
Deposit ID10250921
Alternate namesGreat Northern, Old Mike M.S.2212
RegionNA
Data scoreC
Coordinates43.81826, -103.61696
References
GEOL.MON.2,1949,P26,40,44,48,68,95,FIG.16.GUITERAS,JR.MINING & MILLING METHODS & COSTS AT B.H.TIN CO,TLINCOLN,FC BERYL IN THE BL.HILLS.ENG.&MIN.JOUR,VOL.135,1934.-210.STERRETT.DB.MICA DEP.OF SD.GEOL.SURVEY BULL.380,1909,PP299-3STERRETT.DB,MICA DEP.OF THE US.GEOL.SURVEY BULL.740,1923,PP3U.S.BUREAU OF MINES STAFF,REGION V,B.H.MIN.ATLAS,1C7707,1955STERRETT,DB,MICH DEP.OF SD.GEOL.SURVEY BULL.380,1909,PP299-3STERRETT DB,MICH DEP.OF THE US.GEOL.SURVEY BULL.740,1923,PP3U.S BUREAU OF MINES STAFF,REGION 5,B.H.MIN.ATLAS,IC7707,1955