Commodities
PrimaryGold
SecondarySilver
Commodity typeM
Deposit
Deposit typeDistal Disseminated
Model75: Distal disseminated Ag-Au
Deposit sizeS
Orebody formirregular
Ore controlGold is dominantly associated with silicification, either as quartz veins, quartz veinlets and/or replacement flooding.
Geology
Host rockSiltstone,Carbonate · "Wenban Limestone", "Roberts Mountain Formation"
Associated rockRhyolite,Latite
Structurenorthwest-trending thrust faulting, Regional structural analysis and project-scale geologic data indicate that a north-northwest trending range-front fault zone passes through the property.
AlterationAlteration in the mine area includes; silicification, decalcification, minor oxidization and remobilization of carbon.
Economic & production
Development statusPast Producer
Identification
Deposit ID10310330
MRDS IDW700419
Alternate names401 Pit, Middle Pit, South Pit
RegionNA
Data scoreB
Coordinates40.038, -116.7357
References
Staff, 1988, Directory of Nevada Mine Operations Active During Calendar Year 1987: Nevada Division of Mine Inspection, 84 p.Long, K.R., DeYoung, J.H., Jr., and Ludington, S.D., 1998, Database of significant deposits of gold, silver, copper, lead, and zinc in the United States; Part A, Database description and analysis; part B, Digital database: U.S. Geological Survey Open-File Report 98-206, 33 p., one 3.5 inch diskette.Golden Oasis website, 2006: http://www.goldenoasis.ca/s/Toiyabe.aspNEV. DIV. MINE INSPECTION, 1991, DIRECTORY OF NEVADA MINE OPEERATIONS ACTIVE DURING CALENDAR YEAR 1990, P. 54.NEV. BUREAU OF MINES AND GEOL. SPECIAL PUBLICATION 10, 1990, P. 11.AMERICAN MINES HANDBOOK, 1996, P138.