Commodities
TertiaryNiobium (Columbium), Tantalum
Commodity typeM
Economic & production
Development statusPast Producer
Identification
Deposit ID10274965
RegionNA
Data scoreC
Coordinates43.91996, -103.46226
References
CAMERON,E.N,ET ALL.INTERNAL.STRUCTURE OF GRANITIC PEGMATITESEOL.MON.2,1949,PP.51,73,FIG.43.GARDNER,E.D.TIN DEP.OF THE BLK.HILLS,S.D.BU.MINES I.C.7069,1U.S.BU.MINES STAFF,REGION V,B.H.MIN.ATLAS.S.D:PART II1C 770765.PAGE LINCOLN R AND OTHERS PEGMATITE INVESTIGATIONS 1942-45 BHILLS S DAK,USGS PROF PAPER 247, 1953 P58,125-128.