Description
Tenneco Minerals
Commodities
PrimaryGold, Silver
Commodity typeM
Deposit
Deposit typereplacement
Model173: Sediment-hosted Au
Deposit sizeS
Ore controlSubeconomic mineralizatio occurs at intersections of E-W and NW-trending faults with the jasperoid.
Materials
Ore mineralsGold
GangueQuartz
Geology
Host rockLimestone,Shale · "Devils Gate Limestone", "Pilot Shale"
StructureThe north-south-trending Illipah Anticline projects through the mine area, bounded on the east by a steep west-dipping reverse fault. A major N-S trending shear zone dips W 30-60 degrees., E-W and NW-trending faults offset the jasperoid.
AlterationA bold north-south-trending jasperoidal zone outcrops along the west flank of Illipah Ridge. the jasperoid has developed along the contact between the Joana Limestone and Chainman Shale. Alteration associated with the deposit consists of decalcification, oxidation,
Economic & production
Development statusPast Producer
Production years1987-1989
First production1987
Last production1989
Discovery year1981
Identification
Deposit ID10310433
MRDS IDM242967
Alternate namesSouth Pit, Northeast Pit, Main Pit
RegionNA
Data scoreB
Coordinates39.4607, -115.4512
References
Echo Bay Mines Ltd., 1987, Form 10-K.Silver King Mines Inc./ Pacific Silver Corp., 1988, Combined Annual Report.Alta Gold Co., 1989 Annual Report.Echo Bay Mines Ltd., 1989 Annual Report.Dean, D. A., Benedetto, K. M. F., Durgin, D. C., 1991, Part One: Illipah Area Road Log, in Buffa, R. and Coyner, A., Eds., Geology and Ore Deposits of The Great Basin - Field Trip Guidebook Compendium, The Geological Society of Nevada, Reno, p.131-135.Silver King Mines Inc., 1989, Form 10-K.Roripaugh, Ray L; Asher, Rod; Durgin, Dana, 1989, Illipah, disseminated gold deposit; in Geology and mineral deposits of White Pine County, Nevada, eds, Schafer, Robert W; Buffa, Ruth, Geol. Soc. Nev. Special Publication, vol. 9.NEV. BUREAU OF MINES AND GEOL. SPECIAL PUBLICATION 10, 1990, P. 16.SKILLINGS MINING REVIEW, OCT 5, 1996, P13.ALTA NEW RELEASE, OCT., 3 1996.AMERICAN METAL MARKETS, VOL 104, #201, 10/16/96, P7.