Idaho · Custer County
Past Producer

Homestake Mine

Custer County, Idaho, United States
SilverGoldFluorine-FluoriteLead
⌖ Show on mapUSGS source ↗
Description

Arnold Woolard

Commodities
PrimarySilver, Gold
TertiaryFluorine-Fluorite, Lead
Commodity typeB
Deposit
Deposit sizeS
WorkingsSurface/Underground
Orebody formLINEAR
Ore controlFault Zones
Materials
GanguePyrite, Quartz
Geology
Host rockQuartz Monzonite
Associated rockQuartz Monzonite,Rhyolite · Idaho Batholith-Quartz Monzonite;Rhyolite Dikes
StructureIdaho Batholith; Salmon R Fault, Two Or Three Sets Of Faults; Slickensides. Brecciation, Gouge
AlterationDeep Weathering
Economic & production
Development statusPast Producer
First production1934
Discovery year1932
Identification
Deposit ID10070998
MRDS IDW014170
Alternate namesLast Chance
RegionNA
Data scoreB
Coordinates44.24908, -114.85953
References
Choate, Raoul, 1962, Geology And Ore Deposits Of The Stanley Area: Idaho Bureau Of Mines And Geology Pamphlet 126, 120 P.Tschanz, C. M., And Others, 1974, Mineral Resources Of The Eastern Part Of The Sawtooth National Recreation Area, Custer And Blaine Counties, Idaho: USGS Open-File Rept., 648 P.1962 Geolmap Idaho Bureau Of Mines And Geology Pamphlet 126Vannoy & Others, 1986, USGS Bulletin 1545e, P. 440, Pl. 3, No. 40Shawe & Others 1976 USGS Prof Paper 933 P 36-37Tschanz, C. M., And Others, 1974, USGS D. F. Rept., P. 596