Commodities
PrimaryNiobium (Columbium)
Commodity typeM
Deposit
Deposit sizeN
Orebody formPINCH AND SWELL
Geology
Host rockAmphibolite
Associated rockIntrusive Carbonatite
AlterationMarble Occurrances
Economic & production
Development statusOccurrence
Discovery year1954
Identification
Deposit ID10010267
MRDS IDD003859
RegionNA
Data scoreC
Coordinates45.52349, -114.32594
References
CROWLEY, F. A., 1960 , COLUMBIUM-RARE EARTH DEPOSITS, SOUTHERN RAVALLI CO., MONT., MONT. BUR. OF MINES & GEOLOGY, BULL 18 , P. 39 .BERG, R. B., 1977 , RECONNAISSANCE GEOLOGY OF SOUTHERNMOST RAVALLI CO., MONT., MONT. BUR. OF MINES & GEOL., MEM. 44 , P. 35 .1960 GEOLMAP M. B. OF M. & GEOL., BULL 1