Idaho · Custer County
Past Producer

Keystone Mine

Custer County, Idaho, United States
Fluorine-FluoriteLeadCopperBerylliumSilver
⌖ Show on mapUSGS source ↗
Commodities
PrimaryFluorine-Fluorite
TertiaryLead, Copper, Beryllium, Silver
Commodity typeB
Deposit
Deposit sizeS
Orebody formTABULAR, BRECCIA FILL & FISSURE VEIN, STOCKWORK
Ore controlFaults, Brecciation Zone
Materials
Ore mineralsChalcopyrite, Fluorite, Galena
GangueBarite, Quartz
Other materialsTetrahedrite
Geology
Host rockDolomite · Bayhorse Dolomite; Ramshorn Slate
Economic & production
Development statusPast Producer
Discovery year1877
Identification
Deposit ID10071078
MRDS IDW014287
Alternate namesGreyhound
RegionNA
Data scoreB
Coordinates44.44519, -114.32842
References
Ross, C. P., 1937, Geology And Ore Deposits Of The Bayhorse Region, Custer County, Idaho: USGS Bulletin 877, 161 P1937 Geolmap Ross, C. P., Bulletin 87Anderson, 1954, Idaho Bureau Of Mines And Geology Pamphlet 101, P. 12Chambers 1966 Phd Dissertation, Univ Of Arizona, 154 P.McIlroy, Coffman, Rice, & Hibpshman 1974 USBM Ic 8646Shawe & Others 1976 USGS Prof Paper 933 P 35-38U.S. Bureau Of Mines Open-File Report MLA 6-91, 1991, Table A-2, No. 258, P. 168.Ross, C. P., 1937, Geology And Ore Deposits Of The Bayhorse Region, Custer County, Idaho: USGS Bulletin 877, 161 P., P. 116