Relief Canyon Mine

Pershing County, Nevada, United States

GoldSilverFluorine-FluoriteArsenicAntimonyMercuryThallium

⌖ Show on map USGS source ↗

Description

Jim Mckee, Senior Geologist For Duval Corp.

Commodities

PrimaryGold, Silver

SecondaryFluorine-Fluorite

TertiaryArsenic, Antimony, Mercury, Thallium

Commodity typeB

Deposit

Model172: Carbonate-hosted Au-Ag

Deposit sizeS

Orebody formDISSEMINATED, STRATABOUND AND STRATA-CONFORMABLE MINERALIZATION

Ore controlPorosity Of Breccia.

Materials

Ore mineralsElectrum, Gold, Silver

GangueCalcite, Fluorite, Hematite, Pyrite, Quartz, Serpentine, Talc

Geology

Host rockLimestone · Cane Spring Limestone;Grass Valley Shale;Natchez Pass Formation

Associated rockQuartz Monzonite,Diorite

StructureRange Front Faults Terminate Ore To The West (Black Ridge Fault). The Dip Of The Brecciated Contact Between The Natchez Pass And Grass Valley Formations Varies And Has The Appearance Of A Ne-Sw Striking Anticline That Plunges To The Sw. A Small Fold Perpendicular To The Plane Of This Anticline Forms A Dome Over The Southerly Portion Of The Deposit.

AlterationSilicification, Argillization, Propylitization. See Geology Comments.

Economic & production

Development statusPast Producer

Production years1984-1985; 1986-1990

First production1984

Last production1990

Discovery year1979

Identification

Deposit ID10047165

MRDS IDM242418

Alternate namesNBMG Sample Sites 2552, 2552, 2553, Bohannan Fluorite Prospect.

RegionNA

Data scoreA

Coordinates40.20518, -118.17014

References

SAMPLES 2551-53: GEOCH EMISTRY DATABASE, NEVADA BUREAU OF MINES AND GEOLOGY. TYPICAL RANGES: WITTKOP, R. W., PARRATT, R. L., BRUCE, W. R., 1984, GEOLOGY AND MINERALIZATION AT THE RELIEF CANYON GOLD DEPOSIT, PERSHING COUNTY, NEVADA, PREPRINT NO. 84-100, SOCIETY OF MINING ENGINEERS OF AIME, LITTLETON, CO, 5 PP.FIANNACA, M. AND MCKEE, J., 1983, GEOLOGY AND DEVELOPMENT OF THE RELIEF CANYON GOLD DEPOSIT, PERSHING CO., NV; PAPER PRESENTED AT THE 89TH ANNUAL NORTHWEST MINING CONVENTION, SPOKANE, WA, 1983GEOLOGICAL SOCIETY OF NEVADA 1984 MEETING AND FIELD TRIP ROAD LOG, SEPT. 1984.DIVISION OF MINE INSPECTION, DEC. 1983, DIRECTORY OF NEVADA MINING OPERATIONS, ACTIVE DURING CALENDAR YEAR 1983.NBMG MAP 84, 1983, ACTIVE MINES AND OIL FIELDSLACANA GOLD INC.'S BROCHURE ON RELIEF CANYON MINE'S OFFICIAL OPENING, OCT, 1984.PEGASUS GOLD, 1988, RELIEF CANYON MINE CIRCULAR (UNPUBLISHED VISITOR'S FACT SHEET).PEGASUS GOLD, INC., ANNUAL REPORTS FOR 1986, 1987, 1989, 1990.SOUTHERN PACIFIC CO., 1964, MINERALS FOR INDUSTRY-NORTHERN NEVADA AND NORTHWESTERN UTAH, SUMMARY OF GEOLOGICAL SURVEY OF 1955-1961, V. 1: SAN FRANCISCO, SOUTHERN PACIFIC CO, P. 45.WALLACE AND TATLOCK, 1962, SUGGESTIONS FOR PROSPECNG IN THE HUMBOLDT RANGE AND ADJACENT AREAS, NEVADA, USGS PP 450-B3-B5.WALLACE,. E., SILBERLING, N. J., IRWIN, W. P., AND TATLOCK, D. B., 1969, GEOLOGIC MAP OF THE BUFFALO MOUNTAIN QUADRANGLE, PERSHING AND CHURCHILL COUNTIES, NEVADA, USGS MAP GQ-821.TINGLEY, J. V., NEVADA BUREAU OF MINES AND GEOLOGY, COMPUTERIZED GEOCHEMISTRY DATABASE.JOHNSON, M. G., 1977, GEOLOGY AND MINERAL DEPOSITS OF PERSHING COUNTY, NEVADA, NBMG BULL. 89.HORTON, R.C., 1961, AN INVENTORY OF FLUORSPAR OCCURRENCES IN NEVADA, NBMG REPT. 1.ENGINEERING AND MINING JOURNAL, JUNE 1988, 45-46BONHAM, H.F.JR, AND HESS, R. H., 1992, BULK-MINEABLE PRECIOUS-METAL DEPOSITS, IN THE NEVADA MINERAL INDUSTRY 1991, NEVADA BUREAU OF MINES AND GEOLOGY, SPECIAL PUB., MI-1991, P24NBMG, 1994, MI-19931983-84 ANNUAL PRODUCTION: NBMG DISTRICT FILE BROCHURE. 1986-1990 ANNUAL PRODUCTION: PEGASUS GOLD, INC., ANNUAL REPORTS FOR 1986, 1987, 1989, 1990. 1987 GRADE DATA FROM E AND MJ. MI-1991 LISTS 1989 PRODUCON AS 30,266 OZ AU AND 32,835 OZ AG. MI-1993UNPUB. REPORT, 1983.