Commodities
PrimaryGold
SecondarySilver
TertiaryLead, Copper
Commodity typeM
Deposit
Deposit typeVein
Deposit sizeS
WorkingsSurface/Underground
Ore controlFissure Or Fault Zone
Materials
Ore mineralsChalcopyrite, Covellite, Galena, Malachite, Pyromorphite, Sphalerite, Tetrahedrite
GanguePyrite, Quartz
Geology
Host rockGranite,Diorite · Belt Supergroup
Associated rockGranite,Pegmatite,Andesite,Dacite · Idaho Batholith
StructureFaults Strike N 35 - 50 Deg E, Dip 65 - 85 Deg Nw, Displace Vein Up To 110 Ft
AlterationGouge, Sericitization, Oxidation
Economic & production
Development statusPast Producer
First production1898
Discovery year1897
Identification
Deposit ID10105756
MRDS IDW015138
Alternate namesTwin Circles, Badger, Pennsylvania Lode
RegionNA
Data scoreB
Coordinates45.66348, -115.52876
References
Shenon, P. J., And Ross, J. C., 1934, Geology And Ore Deposits Of The Elk City, Orogrande, Buffalo Hump, And Tenmile Districts, Idaho County, Idaho: USGS Circ. 9, 89 PU.S. Bureau Of Mines Open-File Report MLA 9-91, 1991, P. 38-39.Thomson, F. A., And Ballard, S. M., 1924, Geology And Gold Resources Of North Central Idaho: Idaho Bureau Of Mines And Geology Bulletin No. 7, 127 PLorain, S. H., And Metzger, D. H., 1938, Reconnaissance Of Placer Mining Districts In Idaho County, Idaho: USBM Inf. Circ. 7023, 93 P.Shenon, P. J., And Reed, J. C., 1934, USGS Circ. 9