Description
Jacob And Eric Jensen
Commodities
PrimaryGold
SecondarySilver
TertiaryCopper, Lead
Commodity typeM
Deposit
Deposit sizeS
WorkingsUnderground
Orebody formLENSES, KIDNEYS
Ore controlShear Zone Fracture
Materials
Ore mineralsChalcopyrite, Galena
GanguePyrite, Pyrrhotite, Quartz
Geology
Host rockQuartzite,Schist,Gneiss · Yellowjacket Formation-Quartzite And Schist
Associated rockGneiss · Ramey Ridge Equivalent-Gneissic Biotite Quartz Diorite;Dikes-Granophyre
StructureNumerous Folds And Splits
AlterationOxidation, Silicification
Economic & production
Development statusPast Producer
Discovery year1904
Identification
Deposit ID10105761
MRDS IDW015197
Alternate namesOrofino, Jensen Group, Janson
RegionNA
Data scoreB
Coordinates45.19848, -115.07096
References
Cater, F. W., And Others, 1973, Mineral Resources Of The Idaho Primitive Area And Vicinity, Idaho: USGS Bulletin 1304, 431 P.Lorain, S. H., 1938, Gold Mining And Milling In Idaho County: USBM Inf. Circ. 7039, 90 P.WFOC Mineral Property File No. 0160490273Idaho Bur Mines Pamph 44.Cater, F. W., And Others, 1973, USGS Bulletin 1304