Commodities
PrimaryGold, Silver
TertiaryArsenic
Commodity typeM
Deposit
Deposit typeSediment-hosted disseminated gold
Model173: Sediment-hosted Au
Deposit sizeU
Geology
Host rockGreenstone · Valmy Formation
StructureRoberts Mountains Thrust
AlterationThe Valmy Formation greenstone host rock has been argillized, potassium metasomatized, and weakly silicified.
Economic & production
Development statusOccurrence
Discovery year1983
Identification
Deposit ID10310533
MRDS IDMP90052
Alternate namesOrvana project, McCall zone
RegionNA
Data scoreB
Coordinates41.7749, -116.02593
References
Pan Orvana Resources Inc., 1988 Annual ReportLa Pointe and others, 1991, NBMG Bull. 106Schmauch and others, 1992, Mineral resources of the Independence Range Special Study Area, Elko County, Nevada: U.S. Bureau of Mines Mineral Land Assessment Report MLA 17-92, 141 p.NBMG MI-96; MI-97Northern Miner, 1988Spokane Spokesman Review, 1983Long, K.R., DeYoung, J.H., Jr., and Ludington, S.D., 1998, Significant deposits of gold, silver, copper, lead, and zinc in the United States: U.S. Geological Survey Open-File Report 90-206A, 33 p.; 98-206B. one 3.5 inch diskette.Staccato GoldResources Ltd. news release, 11/19/2004.