Description
George W. Stapleton
Commodities
PrimarySilver, Gold, Lead, Copper, Zinc
SecondaryManganese
TertiaryAntimony
Commodity typeM
Deposit
Deposit sizeS
WorkingsUnderground
Orebody formIRREGULAR SHOOTS
Ore controlLimestone Bedding Planes, Fault Zones
Materials
Ore mineralsArgentite, Bindheimite, Cerargyrite, Galena, Gold, Jamesonite, Psilomelane, Pyrargyrite, Silver, Smithsonite, Sphalerite
GangueCalcite, Pyrite, Quartz
Geology
Host rockLimestone · Madison
Associated rockAndesite · Granodiorite Stock
StructureArea Of North Trending Thrust Faults Which Dip Gently West., Small Faults Trend North, 90, N60w, 30w, And N60e, 25 N.
AlterationOxidation, Gouge
Economic & production
Development statusProducer
Discovery year1871
Identification
Deposit ID10069763
MRDS IDW007439
RegionNA
Data scoreB
Coordinates45.19768, -112.92172
References
USGS BULL 574.MBMG BULL 6.MBMG BULL 85.BERGER, B.R., AND OTHERS, 1979, GEOCHEM RECON.-MINING DISTRICTS, SO. PIONEER MTNS., MONT: U.S.G.S. OPEN-FILE REPORT 79-1426, P. 13LOWELL, W.R., 1965, GEOLOGIC MAP OF BANNACK-GRAYLING, MT: U.S.G.S. MISC. GEOL. INV. MAP I-433.USGS MGI I-4331914 COMPILE WINCHELL, A. N., DILLON QUAD.1965 GEOLMAP LOWELL, W. R., MAP OF BANNACK-GRAYLING.1979 RECON BERGER, B.R., GEOCHEM. RECON.ITEMS 8-11: GEACH, R.D., 1972, M.B.M.G. BULL. 85, P. 177; ITEMS 12-16: DMEA FILE