Round Mountain Mine

Site Name

Primary: Round Mountain Mine
Secondary: Round Mountain/Smoky Valley Mine
Secondary: Smoky Valley Common Operation Mine
Secondary: Smoky Valley Comm. Op. Mine & Mill
Secondary: Sunnyside Pit
Secondary: Southeast Pit
Secondary: Round Mountain Mill 0320239011
Secondary: Round Mountain Decline 0320230892
Secondary: Round Mountain Placers 0320231099
Secondary: Smoky Valley Claims 0320230560
Secondary: Smoky Nos. 1-314 0320231124
Secondary: Smokey Valley Common Operations

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Commodity

Primary: Gold
Tertiary: Silver

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Location

State: Nevada
County: Nye
District: Round Mountain District

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Land Status

Land ownership: Mixed
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.

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Holdings

Type: Patented

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Workings

Type: Surface

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Ownership

Owner Name: Bargold, Inc (Case, Pomeroy And Co.) (25% Owner Rd Mt)
Percent: 25.00
Home Office: New York
Info Year: 1996

Owner Name: Homestake Mining Co. (25% Owner Of Round Mt Corp)
Percent: 25.00
Home Office: California
Info Year: 1996

Owner Name: Echo Bay Mines Ltd (50% Owner Of Round Mt Gold Corp.)
Percent: 50.00
Home Office: Canada
Info Year: 1996

Owner Name: Round Mountain Gold Corp. (Sub Of Echo Bay Mines Ltd.)
Company ID: 2600503
Home Office: Nevada
Info Year: 1996

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Production

Year: 1996
Description: Ore 40867000 St Ore
Year: 1996
Description: Gold Produced 410974 Tr Oz/Yr
Year: 1995
Description: Gold 344436 Tr Oz/Yr
Year: 1992
Description: Ore Processed @ 0.036 Oz/St 16290000 St Ore
Year: 1992
Description: Gold Produced 370585 Tr Oz/Yr
Year: 1991
Description: Ore Processed @ 0.031 Oz/St 31480000 St Ore
Year: 1991
Description: Gold Produced 339000 Tr Oz/Yr
Year: 1990
Description: Ore Processed @ 0.037 Oz/St 31074000 St Ore
Year: 1990
Description: Gold Produced 241600 Tr Oz/Yr
Year: 1989
Description: Ore Processed @ 0.029 Oz/St 31290000 St Ore
Year: 1989
Description: Gold Produced 318600 Tr Oz/Yr
Year: 1988
Description: Ore Processed @ 0.029 Oz/St 25804000 St Ore
Year: 1988
Description: Gold Produced 233800 Tr Oz/Yr
Year: 1987
Description: Ore Processed @ 0.027 Oz/St 22352000 St Ore
Year: 1987
Description: Gold Proeuced 190600 Tr Oz/Yr
Year: 1986
Description: Ore Processed @ 0.033 Oz/St 13326000 St Ore/Yr
Year: 1986
Description: Gold Produced 167600 Tr Oz/Yr
Year: 1985
Description: Ore Containing 1.279 G/Mt Au 4628000 Mt/Ore
Year: 1985
Description: Gold 138800 T Oz/Yr
Year: 1984
Description: Gold And Silver Bearing Ore 4150000 Mt Ore/Year
Year: 1984
Description: Kilograms Of Gold Produced 3760 Kg Gold/Year
Year: 1983
Description: Gold And Silver Bearing Ore 3245000 Mt Ore/Year
Year: 1983
Description: Kilograms Of Gold Produced 2900 Kg Gold/Year
Year: 1982
Description: Gold And Silver Bearing Ore 2840000 Mt Ore/Year
Year: 1981
Description: Gold And Silver Bearing Ore 2077000 Mt Ore/Year
Year: 1980
Description: Gold And Silver Bearing Ore 1972000 Mt Ore/Year
Year: 1979
Description: Gold And Silver Bearing Ore 1554000 Mt Ore/Year
Year: 1978
Description: Gold And Silver Bearing Ore 1451000 Mt Ore/Year
Year: 1977
Description: Gold And Silver Bearing Ore 922000 Mt Ore/Year

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Deposit

Record Type: Site
Operation Category: Plant
Plant Type: Leach
Operation Type: Surface
Mining Method: Open Pit
Milling Method: Heap Leach-Electrowin
Year First Production: 1906
Discovery Year: 1901
Years of Production:
Organization:
Significant: Y

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Physiography

General Physiographic Area: Intermontane Plateaus
Physiographic Province: Basin And Range Province
Physiographic Section: Great Basin

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Mineral Deposit Model

Not available

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Orebody

Not available

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Structure

Not available

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Alterations

Not available

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Rocks

Not available

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Analytical Data

Not available

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Materials

Unknown: Pyrite
Unknown: Alunite
Unknown: Calcite
Unknown: Electrum
Unknown: Fluorite
Unknown: Gold
Unknown: Limonite
Unknown: Quartz
Unknown: Realgar
Unknown: Adularia

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Comments

Comment (Environmental Factors): ALLUVIUM MATERIAL UNDER THE WASTE DUMPS AND ORE HEAPS IS IDENTICAL AND HAS SANDY TEXTURE; HOWEVER, IT CONTAINS CLAY PARTICLES WHICH REDUCE PERMEABILITY.

Comment (Deposit): GENERAL SIZE OF ORE BODY: LARGE

Comment (Economic Factors): MILL:ON-SITE, ACTIVE, CYANIDE HEAP LEACH, CARBON ADSORPTION ELECTROWINNING, SMELTING, PRODUCES DORE BULLION 55% AU 45% AG PROCESS RATE IS 45000 T/D IN A 85 DAY CYCLE.

Comment (Location): GENERAL LOCATION: ABOUT 95 KM N OF TONOPAH.

Comment (Names): PROPERTY INCLUDEDS: ROUND MOUNTAIN MILL; MSA SEQ 0320239011: AND MAY ALSO INCLUDED: ROUND MOUNTAIN DECLINE; 0320230892 ROUND MOUNTAIN PLACERS; 0320231099; SOMKY VALLEY CLAIMS; 0320230560; SMOKY NO3. 1-314 0320231124.

Comment (Reserve-Resource): TOTAL DEMONSTRATED ORE RESERVES (PROV+PROB+MEAS+INDI); 12/31/96 AVG COG OF 0.274 G/MT AU SR OF 1.55 TO 1.0

Comment (Workings): WASTE MATERIAL ALKALINE IN NATURE.

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References

Reference (Deposit): EPITHERMAL SILVER-GOLD DEPOSITS. PRES. AT SOC. MIN. ENG.

Reference (Deposit): BERGER, B. R. AND P. I. EIMON. COMPARATIVE MODELS OF

Reference (Deposit): V. II. AIME, 1981, 263 PP.

Reference (Deposit): _____. GOLD AND SILVER CYANIDATION PLANT PRACTICE,

Reference (Deposit): ECHO BAY MINES LTD. SEC FORM 10-K. 1984, 60 PP.

Reference (Deposit): ECHO BAY MINES LTD. SEC FORM 10-K. 1985, 85 PP.

Reference (Deposit): ECHO BAY MINES LTD. SEC FORM 10-K. 1987, 95 PP.

Reference (Deposit): ECHO BAY MINES. 1983 ANNUAL REPORT. 1984, 41 PP.

Reference (Deposit): ECHO BAY MINES, 1984 ANNUAL REPORT, 41 PP.

Reference (Deposit): ECHO BAY MINES. 1985 ANNUAL REPORT. 1986, 53 PP.

Reference (Deposit): 297.

Reference (Deposit): MINES. 1986 ED., VOLUME 5 - UNITED STATES. 1987, PP. 294-

Reference (Deposit): ENGINEERING AND MINING JOURNAL. THIS MONTH IN

Reference (Deposit): OF MINES AND GEOL., REP. 41, 1986, PP. 131-134.

Reference (Deposit): IZATION IN HOT SPRINGS SYSTEMS, NEVADA-CALIFORNIA. NV BUR.

Reference (Deposit): MINING DISTRICT, NEVADA. PAPERS IN PRECIOUS-METAL MINERAL-

Reference (Deposit): GRIMES. GEOCHEMISTRY OF VOLCANIC ROCKS, ROUND MOUNTAIN

Reference (Deposit): BROOKHUNT & ASSOCIATES LTD. INDEPENDENT RESEARCH INTO

Reference (Deposit): MINES AND GEOL. OFR 82-9, 1982, 4 PP.

Reference (Deposit): METAL AND MINERAL RESOURCES AND THEIR MARKETS - WESTERN GOLD

Reference (Deposit): BULK-MINEABLE PRECIOUS METAL DEPOSITS IN NEVADA. NV BUR.

Reference (Deposit): BONHAM, H. F., JR. RESERVES, HOST ROCKS, AND AGES OF

Reference (Deposit): 1981. 1982, PP. 3, 12-13, 33.

Reference (Deposit): LOUISIANA LAND AND EXPLORATION CO. ANNUAL REPORT,

Reference (Deposit): MINING: NEVADA. V. 184, NO. 6, 1983, PP. 45, 119.

Reference (Deposit): BERGER, B. R., J. V. TINGLEY, R. J. HARRINGTON, AND D. J.

Reference (Deposit): MIN. ENG. AIME PREPRINT 82-13, 10 PP.

Reference (Deposit): AIME ANNU. MEETING, DALLAS, TX, FEB. 14-18, 1982. SOC.

Reference (Reserve-Resource): 10-K REPORT, PP. 3-5, 11.

Reference (Reserve-Resource): ECHO BAY MINES, 1996 ANNUAL REPORT, PP. 25, 56, 57, & FORM

Reference (Deposit): 16, 18-19, & 9-10 RESP.

Reference (Reserve-Resource): 1995 ECHO BAY MINES FORM 10-K REPORT, PP. 26-28.

Reference (Deposit): HOMESTAKE MINING CO. 1996 ANNUAL AND FORM 10-K REPORTS, PP.

Reference (Deposit): U.S. GEOL. SURV. MISC. FIELD STUDIES MAP MF-1467, 1982.

Reference (Deposit): MOUNTAIN AND MANHATTAN QUADRANGLES, NYE COUNTY, NEVADA.

Reference (Deposit): SHAWE, D. R. GOLD AND SILVER POTENTIAL OF THE ROUND

Reference (Deposit): OFR 81-515, 1981, 42 PP.

Reference (Deposit): V. 178, NO. 7, 1977, PP. 70-72.

Reference (Deposit): DORE BULLION FOR SMOKY VALLEY MINING. ENG. AND MIN. J.,

Reference (Deposit): WHITE, L. HEAP LEACHING WILL PRODUCE 85,000 OZ/YR OF

Reference (Deposit): SALE. APRIL 21, 1983, P. 3.

Reference (Deposit): WALLACE (ID) MINERS. ROUND MOUNTAIN GOLD MINE FOR

Reference (Reserve-Resource): 1995 HOMESTAKE ANNUAL REPORT, P19, 12/31/95.

Reference (Reserve-Resource): 1994 ECHO BAY MINES ANNUAL REPORT, P 58, 12/31/94.

Reference (Reserve-Resource): 1994 HOMESTAKE ANNUAL REPORT, PP. 21, 22, 12/31/94.

Reference (Ownership): OPERATIONS ACTIVE DURING CALENDAR YEAR 1990, P. 63.

Reference (Ownership): NEV. DIV. MINE INSPECTION, 1991, DIRECTORY OF NEVADA MINE

Reference (Production): ECHO BAY MINES, 1996 ANNUAL REPORT, P59.

Reference (Deposit): SKILLINGS MINING REVIEW, VOL. 86, # 31, AUG. 2, 1997, P9.

Reference (Deposit): HOMESTAKE ANNUAL REPORT, 1995, P10, DEC 31, 1994.

Reference (Deposit): MINING MAGAZINE, SEPT., 1996, PP. 1, 3, 4.

Reference (Deposit): THE MINING RECORD, V. 108, #9, FEB. 26, 1997, PP. 10, 11.

Reference (Deposit): THE MINING RECORD, V. 107, #34, AUG. 21, 1996, P12.

Reference (Deposit): DIGEST, V. 14, 1981, PP. 263-270.

Reference (Deposit): ORE DEPOSITS IN THE SOUTHERN CORDILLERA. AZ GEOL. SOC.

Reference (Deposit): VOLCANIC ENVIRONMENTS. PAPER IN RELATIONS OF TECTONICS TO

Reference (Deposit): WORTHINGTON, J. E. BULK TONNAGE GOLD DEPOSITS IN

Reference (Deposit): SMOKY VALLEY MEMO. SPECIAL EDITION. SMOKY VALLEY

Reference (Deposit): SHAWE, D. R. MINERAL RESOURCES POTENTIAL OF THE

Reference (Deposit): THESIS, STANFORD UNIV., STANFORD, CA, 1977, 149 PP.

Reference (Deposit): THE DISSEMINATED GOLD INVESTMENT ALTERNATIVE. M.S.

Reference (Deposit): SHANLEY, F. E. A GEOLOGIC AND ECONOMIC ANALYSIS OF

Reference (Deposit): SOC. OF NEVADA, 1988, PP. 375-415.

Reference (Deposit): PAPER IN PROCEEDINGS OF UNITED STATES SYMPOSIUM. THE GEOL.

Reference (Deposit): ALTERATION AT THE ROUND MOUNTAIN MINE, NYE COUNTY, NEVADA.

Reference (Deposit): EPITHERMAL GOLD-SILVER MINERALIZATION TO WALL ROCK

Reference (Deposit): SANDER, M. V. GEOLOGIC SETTING AND THE RELATION OF

Reference (Deposit): INTRODUCTION FOR VISITORS. 1990, 31 PP.

Reference (Deposit): QUADRANGLE, NYE COUNTY, NEVADA. U.S. GEOL. SURV.

Reference (Deposit): SHAWE, D. R. GEOLOGIC MAP OF THE ROUND MOUNTAIN

Reference (Deposit): STUDIES MAP MF-834, 1977.

Reference (Deposit): ROUND MOUNTAIN QUADRANGLE, NEVADA. U.S. GEOL. SURV. FIELD

Reference (Deposit): ROUND MOUNTAIN GOLD CORPORATION. ROUND MOUNTAIN - AN

Reference (Deposit): NO. 29, JULY 21, 1982, P. 4.

Reference (Deposit): PROCESSING GOLD ORES. MIN. RECORD (DENVER), V. 94,

Reference (Deposit): PARKHURST, D. CARBON ADSORPTION METHOD FOR

Reference (Deposit): BULL., V. 7, NO. 1, 1983, PP. 16-17, 20.

Reference (Deposit): BENEFITS TOLD; LAND OWNERSHIP DISPUTED. NV MIN. ASSOC.

Reference (Deposit): NEVADA MINING ASSOCIATION (RENO). SMOKY VALLEY MINE

Reference (Deposit): MINERAL PROPERTY FILES, BUMINES-WFOC, SPOKANE, WA.

Reference (Deposit): RESERVE DATA, MAR. 27, 1991; AVAILABLE UPON REQUEST FROM

Reference (Deposit): DISCUSSING GEOLOGY, MINING AND MILLING TECHNIQUES, AND

Reference (Deposit): MCMILLAN, D. GET THE GOLD? THEN JUST MOVE THE

Reference (Deposit): U.S. GEOL. SURV. PROF. PAPER 931, 1976, 49 PP.

Reference (Deposit): TOQUIMA RANGE, LANDER, EUREKA, AND NYE COUNTIES, NEVADA.

Reference (Deposit): FILES, BUMINES-WFOC, SPOKANE, WA.

Reference (Deposit): FEB. 1991; AVAILABLE UPON REQUEST FROM MINERAL PROPERTY

Reference (Deposit): REQUIREMENTS AND PARTIAL REPORT OF INDEPENDENT AUDITORS,

Reference (Deposit): CORP. WRITTEN COMMUNICATION INCLUDING STATEMENT OF MANPOWER

Reference (Deposit): DIV., ROUND MOUNTAIN, NV.

Reference (Deposit): TORVINEN, M., ACCOUNTING MANAGER, ROUND MOUNTAIN GOLD

Reference (Deposit): SEPT. 22, 1983, 6 PP.; AVAILABLE FROM SMOKY VALLEY MIN.

Reference (Deposit): MIN. DIV., ROUND MOUNTAIN, NV, V. 3, NO. 18-A,

Reference (Deposit): TO 93,000 OZ. V. 54, NO. 8, MAY 2, 1983, P. 6.

Reference (Deposit): METALS WEEK. GOLD OUTPUT SHOULD INCREASE BY 22%

Reference (Deposit): PP. 1A, 21A.

Reference (Deposit): TOWN. RENO (NV) GAZETTE J., OCT. 10, 1982,

Reference (Deposit): MINES, LTD. WRITTEN COMMUNICATION INCLUDING PARTIAL REPORT

Reference (Deposit): MUELLER, D. L. DIRECTOR, FINANCIAL REPORTING, ECHO BAY

Reference (Deposit): MAKING A PROFIT. V. 94, NO. 52, 1982, P. 5.

Reference (Deposit): MINING RECORD (DENVER). NEVADA'S OPEN PIT GOLD MINES

Reference (Deposit): RESERVE ESTIMATES. V. 68, NO. 3, 1982, P. 9.

Reference (Deposit): MINING CONGRESS JOURNAL. LOUISIANA LAND HAS GOLD

Reference (Deposit): ASSOC., 633 PEYTON BLDG., SPOKANE, WA 92201.

Reference (Deposit): DECEMBER 10, 1982, 13 PP; AVAILABLE FROM NORTHWEST MIN.

Reference (Deposit): APR. 1981, P. 28.

Reference (Deposit): INTERMOUNTAIN PAYDIRT (BISBEE, AZ). LL & E REPORTS

Reference (Deposit): GOLD OUTPUT TO CLIMB TO 200,000 OUNCES BY 1984. NO. 31,

Reference (Deposit): NORTHWEST MINING ASSOC. CONV., SPOKANE, WASHINGTON

Reference (Deposit): DEPOSIT, NYE COUNTY, NEVADA. PAPER PRES. AT 88TH ANNU.

Reference (Deposit): MILLS, B. A. GEOLOGY OF THE ROUND MOUNTAIN GOLD

Reference (Deposit): ECHO BAY MINES. 1986 ANNUAL REPORT. 1987, 57 PP.

Reference (Deposit): ECHO BAY MINES. 1987 ANNUAL REPORT. 1988, 67 PP.

Reference (Deposit): ECHO BAY MINES. 1988 ANNUAL REPORT. 1989, 69 PP.

Reference (Deposit): CH. 21, PP. 225-230.

Reference (Deposit): ECHO BAY MINES. 1989 ANNUAL REPORT. 1990, 65 PP.

Reference (Deposit): GOLD '90, D. M. HAUSEN, ED. SOC. MIN. ENG. AIME, 1990,

Reference (Deposit): PLANT EXPANSION AND OPERATION AT ROUND MOUNTAIN. PAPER IN

Reference (Deposit): DAGEL, K. D., L. M. TAHIJA, AND R. M. CROWELL. PROCESS

Reference (Deposit): NO. 36, SEPT. 1983, PP. 21A- 25A.

Reference (Deposit): BETTER ALL THE TIME. BIG SKY PAYDIRT (BISBEE, AZ),

Reference (Deposit): CLISBY, H. NEVADA'A PRECIOUS METALS PICTURE LOOKING

Reference (Deposit): CO, 1983, 142 PP.

Reference (Deposit): STATES: A MINE- SEARCH REPORT. MET. ECON. GROUP, BOULDER,

Reference (Deposit): CHENDER, M. (ED.). GOLD PROJECTS IN THE UNITED

Reference (Deposit): INFORMATION CIRCULAR 8969, 1984, 47 PP.

Reference (Deposit): LEACHING PRACTICES IN THE UNITED STATES. BUMINES

Reference (Deposit): CHAMBERLAIN, P. G., AND M. G. POJAR. GOLD AND SILVER

Reference (Deposit): ROUND MOUNTAIN MINE. 1990, P. 21.

Reference (Deposit): HOMESTAKE MINING COMPANY. SUPPLEMENTAL INFORMATION 1989 -

Reference (Deposit): HOMESTAKE MINING COMPANY. 1990 ANNUAL REPORT. 1991, 40 PP.

Reference (Deposit): U.S. GEOL. SURV. PROF. PAPER 216, 1949, 55 PP.

Reference (Deposit): GEOLOGY OF THE HAWTHORNE AND TONOPAH QUADRANGLES, NEVADA.

Reference (Deposit): FERGUSON, H. G., AND S. W. MULLER. STRUCTURAL

Reference (Deposit): QUAD. MAP GQ-40, 1954, SCALE 1:125,000.

Reference (Deposit): ROUND MOUNTAIN QUADRANGLE, NEVADA. U.S. GEOL. SURV. GEOL.

Reference (Deposit): FERGUSON, H. G., AND S. H. CATHCART. GEOLOGY OF THE

Reference (Deposit): 383-406.

Reference (Deposit): NEVADA. U.S. GEOL. SURV. BULL. 725, 1921, PP.

Reference (Deposit): FERGUSON, H. G. THE ROUND MOUNTAIN DISTRICT,

Reference (Deposit): P. 3.

Reference (Deposit): MIN. RECORD (DENVER), V. 94, NO. 33, AUG. 18, 1982,

Reference (Deposit): EVANS, K. J. SMOKEY VALLEY OPEN PIT GOLD MINE. THE

Reference (Deposit): APR., 1984, PP. 3A.

Reference (Deposit): ECHO BAY MINES, 1990 ANNUAL REPORT.

Reference (Deposit): INTEREST IN SMOKY VALLEY GOLD PROPERTY IN NEVADA. NO. 55,

Reference (Deposit): EXPANDING WITH FELMONT OIL PURCHASE: ALSO GETS 25 PERCENT

Reference (Deposit): INTERMOUNTAIN PAYDIRT (BISBEE, AZ). HOMESTAKE

Reference (Deposit): HUGE GOLD AND SILVER RESERVE. NO. 28, JAN. 1982, P. 72.

Reference (Deposit): INTERMOUNTAIN PAYDIRT (BISBEE, AZ). SMOKEY VALLEY

Reference (Deposit): MCKEE, E. H. GEOLOGY OF THE NORTHERN PART OF THE

Reference (Deposit): COMMISSION. 1982, P. 17.

Reference (Deposit): REPORT, 1981, FORM 10-K. SECURITIES AND EXCHANGE

Reference (Deposit): NO. 6, 1983, PP. 48-56.

Reference (Deposit): LOUISIANA LAND AND EXPLORATION CO. ANNUAL

Reference (Deposit): GOLD AND SILVER ORES. ENG. AND MIN. J., V. 184,

Reference (Deposit): LEWIS, A. LEACHING AND PRECIPITATION TECHNOLOGY FOR

Reference (Deposit): NEVADA. NV BUREAU OF MINES AND GEOL. BULL. 50, 1951, 223 PP.

Reference (Deposit): KRAL, V. E. MINERAL RESOURCES OF NYE COUNTY,

Reference (Deposit): SURV. OPEN-FILE MAP, 1967, SCALE 1:200,000.

Reference (Deposit): GEOLOGIC MAP OF NORTHERN NYE COUNTY, NEVADA. U.S. GEOL.

Reference (Deposit): KLEINHAMPL, F. J., AND J. I. ZIONY. PRELIMINARY

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Nevada Gold

Nevada has a total of 368 distinct gold districts. Of the of those, just 36 are major producers with production and/or reserves of over 1,000,000 ounces, 49 have production and/or reserves of over 100,000 ounces, with the rest having less than 100,000 ounces. Read more: Gold Districts of Nevada.