Mine detail: St. Joe Prospect

Previously called 'Blackbird Mine'

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Location

Lat / long: 45.12196, -114.34768

Resource(M)

Primary: Gold
Tertiary: Cobalt, Nickel, Copper
Ore: Chalcopyrite, Cobaltite, Erythrite, Gold
Gangue: Magnetite, Pyrite, Pyrrhotite, Quartz
Orebody form: IRREGULAR, LENS
Discovery year: 1895

Production

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

Geology

Host rock:Belt Supergroup
Host type:Schist
Associated rock:Gabbro
Associated type:Gabbro

References

MRDSW013487
MAS160590071
DEP10070521
Reference{Deposit:: Umpleby, J.B., 1913, Geology And Ore Deposits Of Lemhi County, Idaho: USGS Bulletin 528, 182 P.}{Deposit:: Anderson, A.L., 1943, Preliminary Report On The Cobalt Deposits In The Blackbird District, Lemhi County, Idaho: Idaho Bureau Of Mines And Geology Pamph 61, 34 P.}{Deposit:: Canney, F.C., 1953, Preliminary Report Of Geochemical Investigations In The Blackbird District, Lemhi County, Idaho: USGS Open-File Rept.}{Deposit:: Baldwin, J.A., October 8, 1976, Personal Communication}{Deposit:: Reed, G.C., And Herdlick, J.A., 1947, Blackbird Cobalt Deposits, Lemhi County, Idaho: USBM Rept. Inv. 4012, 14 P.}{Deposit:: Hess, F.L., 1921, Cobalt: USGS Mineral Resources Of Us, Pt. 1, P. 899-901}
ReporterOrtman, Dale; Miller, Pat, Western Field Operations Center (WFOC)