Commodities
PrimarySilver, Gold
TertiaryCopper, Zinc, Lead
Commodity typeM
Deposit
Deposit typeVEIN, SHEAR ZONE CHIMNEY OR STOCK
Deposit sizeM
Ore controlFRACTURES STRIKING N 70 DEG E, DIP NORTH AT MODERATE TO HIGH ANGLES, ALSO SOME BRECCIA VEIN
Geology
StructurePORPHYRY DIKES; BROAD ANTICLINE IN CHALLIS VOLCANICS, STRIKES N 40 DEG E; FOLDED PALEOZOIC ROCKS
AlterationSERICITIZATION, WALL ROCK SILICIFICATION
Economic & production
Development statusPast Producer
First production1870
Discovery year1870
Identification
Deposit ID60001621
MRDS IDW002480
RegionNA
Data scoreD
Coordinates44.37459, -114.67903
References
UMPLEBY, J.B., 1913, SOME ORE DEPOSITS IN NORTHWESTERN CUSTER CO.: USGS BULL. 539, P. 76-89ANDERSON, A.L., SILVER-GOLD DEPOSITS OF THE YANKEE FORK DISTRICT, CUSTER COUNTY, IDAHO: IDAHO BUR. OF MINES AND GEOL. PAMPH 83, 37, 1949