Description
Fairweather, Sweeney, Hughes, Rodgers, Cover, And Edgar
Commodities
PrimaryGold, Garnet
Commodity typeB
Deposit
Deposit typePlacer Au-PGE
Model85: Polymetallic veins119: Placer Au-PGE
Deposit sizeY
WorkingsSurface
Ore controlSource Of Gold Believed To Be Veins In Virginia City District, Especially Kersarge And Lucas Lodes.
Materials
Ore mineralsGold, Almandine
Geology
Host rockAlluvium
Associated rockAndesite · Aplite And Andesite Porphyry Intrusions;Tobacco Root Batholith;
StructureTobacco Root Batholith, Laramide Folds And Faults
Tectonic settingCordilleran Miogeosyncline
Economic & production
Development statusPast Producer
First production1863
Last production1925
Discovery year1863
Identification
Deposit ID10105717
MRDS IDW014672
RegionNA
Data scoreB
Coordinates45.32379, -112.00253
References
INDUSTRIAL MINERALS, 1994, ... AS COMINCO EVALUATES ALDER GARNET, IN WORLD OF MINERALS: NO. 324, P. 28.INDUSTRIAL MINERALS, 1995, COMINCO TO START ALDER GARNET OPERATION, IN WORLD OF MINERALS: NO. 329, P. 15.LYDEN, C.J., 1948, THE GOLD PLACERS OF MONTANA: MONTANA BUREAU OF MINES AND GEOLOGY MEMOIR 26, P. 80-83WINCHELL, A.N., 1914, MINING DISTRICTS OF THE DILLON QUADRANGLE, MONTANA AND ADJACENT AREAS: U.S GEOLOGICAL SURVEY BULLETIN 574, P. 57INDUSTRIAL MINERALS, 1994.