Commodities
PrimaryCopper, Cobalt
SecondaryNickel
TertiaryGold
Commodity typeM
Deposit
Deposit sizeN
WorkingsUnderground
Orebody formIRREGULAR LENS, STRINGERS
Ore controlFault Zone, Shear Zone Which Strikes N-S
Materials
Ore mineralsChalcocite, Chalcopyrite, Cobaltite, Gold
GangueMagnetite, Pyrite, Pyrrhotite, Quartz
Geology
Host rockSchist · Belt Supergroup
Associated rockGabbro · Gabbro
StructureSchistosity
AlterationChlorite, Silicification
Economic & production
Development statusPast Producer
Identification
Deposit ID10096237
MRDS IDW013484
Alternate namesGray Eagle, Blackbird Mine
RegionNA
Data scoreB
Coordinates45.11909, -114.34813
References
UMPLEBY, J.B., 1913, GEOLOGY AND ORE DEPOSITS OF LEMHI COUNTY, IDAHO: USGS BULLETIN 528, 182 P.ANDERSON, A.L., 1943, PRELIMINARY REPORT ON COBALT DEPOSITS IN THE BLACKBIRD DISTRICT, LEMHI COUNTY, IDAHO: IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 61, 34 P.CANNEY, F.C., 1953, PRELIMINARY REPORT OF GEOCHEMICAL INVESTIGATIONS IN THE BLACKBIRD DISTRICT, LEMHI COUNTY, IDAHO: USGS OPEN-FILE REPT.BALDWIN, J.A., OCTOBER 8, 1976, PERSONAL COMMUNICATIONREED, G.C., AND HERDLICK, J.A., 1947, BLACKBIRD COBALT DEPOSITS, LEMHI COUNTY, IDAHO: USBM REPT. INV. 4012, 14 P.