Mine detail: Black Bull Group Claims

Previously called 'Black Bull No. 2 and No. 3 and Fraction Claims'

<< Back to the map

Location

Lat / long: 44.96989, -113.4773

Resource(M)

Primary: Copper, Thorium, REE
Ore: Bornite, Chalcopyrite, Covellite, Monazite, Rutile, Thorite
Gangue: Apatite, Barite, Calcite, Chalcedony, Feldspar, Microcline, Pyrite, Quartz, Siderite
Orebody form: IRREGULAR PATCHES
Discovery year: 1952

Production

Operation type: Unknown
Production size: None
Development status: Occurrence

Geology

Host rock:Belt Supergroup
Host type:Quartzite
Structure:Brecciation, Schistosity, Slickensides
Alteration processes:Silicified Zone

References

MRDSW015730
DEP10071947
Reference{Deposit:: ANDERSON, A. L., 1958 URANIUM, THORIUM, COLUMBIUM, AND RARE EARTH DEPOSITS IN THE SALMON REGION, LEMHI COUNTY, IDAHO: IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 115, 81 P.}{Deposit:: SHARP, W. N., AND CAVENDAR, W. S., 1962, GEOLOGY AND THORIUM-BEARING DEPOSITS OF THE LEMHI PASS AREA, LEMHI COUNTY, IDAHO, AND BEAVERHEAD COUNTY, MONTANA: USGS BULL. 1126, 76 P.}{Deposit:: STAATZ, M. H., 1972, GEOLOGY AND DESCRIPTION OF THE THORIUM-BEARING VEINS, LEMHI PASS QUADRANGLE, IDAHO AND MONTANA: USGS BULL 1351, 94 P.}{Deposit:: ANDERSON, A. L., 1961, THORIUM MINERALIZATION IN THE LEMHI PASS AREA, LEMHI COUNTY, IDAHO: ECONOMIC GEOLOGY, V. 56, NO. 1, P. 177-197}{Deposit:: 1958 RECON IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 115}{Deposit:: 1962 RECON SHARP, W. N., AND CAVENDER, W. S., BULL. 1126}{Deposit:: 1972 GEOLMAP STAATZ, M. H., BULL. 1351}
ReporterMiller, Pat J.