Commodities
PrimaryCopper, Cobalt
SecondaryGold
TertiarySilver, Nickel, Bismuth
Commodity typeM
Deposit
Deposit sizeS
WorkingsUnderground
Orebody formIRREGULAR PODS
Ore controlShear Zone, Reverse Faults
Materials
Ore mineralsBismuth, Chalcocite, Chalcopyrite, Cobaltite, Gold
GangueMagnetite, Pyrite, Pyrrhotite
Geology
Host rockSchist · Belt Supergroup
Associated rockDiorite,Diabase · Diabase, Diorite Dikes
StructureReverse Faults, Folds, Schistosity. Zone On Anticlinal Structure Plunging 40 Deg N; Brown Bear Fault Striking N 55-70 Deg W And Dipping 55 Deg Ne Offsets Ore 80 Ft
AlterationOxidation
Economic & production
Development statusPast Producer
First production1951
Identification
Deposit ID10105645
MRDS IDW013475
Alternate namesBlackbird Mine
RegionNA
Data scoreB
Coordinates45.12936, -114.35218
References
UMPLEBY, J.B., 1913, GEOLOGY AND ORE DEPOSITS OF LEMHI COUNTY, IDAHO: USGS BULL. 528, 182 P.ANDERSON, A.L., 1943, PRELIMINARY REPORT ON THE 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.REED, G.C., AND HERDLICK, J.A., 1947, BLACKBIRD COBALT DEPOSITS, LEMHI COUNTY, IDAHO: USBM REPT. INV. 4012, P. 56) TREXLER, B.D., JR., 1974, UNPUBLISHED BLACKBIRD REPORT1913 GEOLMAP UMPLEBY, J. B., BULL. 5281943 RECON IDA. BUREAU OF MINES & GEOL. PAMPHLET 61.1947 DIREXPL USBM, R.I. 40121953 GEOCHEM CANNEY, F.C., OPEN-FILE REPTBALDWIN, J.A., OCTOBER 8, 1976, PERSONAL COMMUNICATION.