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Northumberland Mine

Plant in Nye county in Nevada, United States with commodities Gold, Mercury, Silver
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Mineral rights holdings
  13. Land status
  14. Ownership information
  15. Production statistics
  16. Reserves and resources
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. Reporter information

Geologic information

Identification information

Deposit ID 10173835
MRDS ID W016473
MAS/MILS ID 0320230403
Record type Site
Current site name Northumberland Mine
Alternate or previous names Cyprus, Cyprus Northumberland, Chipmunk Oreboby, Main Oreboby
Related records 10072159, 10173775

Geographic coordinates

Point of reference Pit
Geographic coordinates: -116.84652, 38.95803 (WGS84)
Elevation 2600
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

Nye(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Northumberland Pass(quadrangle 1:24,000 scale)

Mount Jefferson(quadrangle 1:100,000 scale)

Tonopah(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Diamond-Monitor Valleys(hydrologic unit)

Central Nevada Desert Basins(hydrologic accounting unit)

Central Nevada Desert Basins(hydrologic subregion)

Great Basin(hydrologic region)

Federal lands

Humboldt-Toiyabe National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Nevada Nye

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 013 N 045 E 24 NE Nevada

Commodities

Commodity Importance
Gold Primary
Mercury Tertiary
Silver Secondary

Materials information

Materials Type of material
Arsenopyrite Unknown
Barite Unknown
Calcite Unknown
Chalcopyrite Unknown
Chert Unknown
Cinnabar Unknown
Dolomite Unknown
Freibergite Unknown
Gold Unknown
Orpiment Unknown
Pyrite Unknown
Quartz Unknown
Realgar Unknown
Sphalerite Unknown
Stibnite Unknown
Tetrahedrite Unknown
Pyrite Unknown

Nearby scientific data

Pit (1) -116.84652, 38.95803
ListMap

Economic information

Ore body information

  • Thickness 19M
    Length 1100M
    Width 200M
    Area 381HA
    Depth to top 2M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 DISSEMINATED
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 REPLACEMENT
    Primary mode of Origin HYDROTHERMAL
    Secondary mode of Origin CONT METASOMATIC
    Primary Ore Control IGNEOUS
    Secondary Ore Control LITHOLOGY
    Degree of Wallrock Alter. MODERATE
    Type of Wallrock Alter. #1 INTERM ARGILLIC
    Type of Wallrock Alter. #2 CARBONATE SILIC
    Type of Wallrock Alter. #3 SILICIFICATION
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 2
    Min. Thick. Unconsol. Mat. 0
    Total Surface Area (HA) 381
    Date of Last Modification 970626
  • Thickness 39.5M
    Length 500M
    Width 280M
    Depth to top 2M
    Field Value
    MAS Matrix # 1
    MAS Column # 2
    Type of Orebody #1 DISSEMINATED
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 REPLACEMENT
    Primary mode of Origin HYDROTHERMAL
    Secondary mode of Origin CONT METASOMATIC
    Primary Ore Control IGNEOUS
    Secondary Ore Control LITHOLOGY
    Degree of Wallrock Alter. MODERATE
    Type of Wallrock Alter. #1 INTERM ARGILLIC
    Type of Wallrock Alter. #2 CARBONATE SILIC
    Type of Wallrock Alter. #3 SILICIFICATION
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 2
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 840726

Comments on the geologic information

  • MAJORITY OF MINERALIZATION IN THE ROBERTS MTNS AND VININI FORMATIONS. ORE OCCURS IN AND ADJACENT TO THRUST FAULT SEPARATING LOWER PLATE OF ROBERTS MTNS. FRMTN. FROM UPPER PLATE VININI FRMTN
  • ALSO, MINOR BARITE, MOLYBDENITE, AND ARSENIC MINERALS PRESENT.

Economic information about the deposit and operations

Operation type Surface
Development status Plant
Commodity type Metallic
Deposit size Medium
Significant Yes
Mining method Bench (Berm)
Year of first production 1985
Plant type Leach
Plant subcategory Ion Exchange-Electrowin
Milling method Leach-Solvent-Extract-Precipitation

Mining district

District name Northumberland District

Mineral rights holdings

Type of mineral rights Patented

Land status

Ownership category Private

Ownership information

  • Type Owner-Operator
    Owner Western States Minerals Corp.
    ID 2601661
    Interest 100
    Home office Colorado
    Year 1990
    First year 1990
  • Type Unknown
    Owner Cyprus Northumberland Minerals Co.
    Home office Nevada
    Year 1984
    First year 1984
    Last year 1990

Comments on the ownership information

  • THE REMAINING 12% IS OWNED BY IDAHO MINING CO.

Production statistics

  • Year 1962
    Period 1866-1962
    Description Short Tons Ore Mined (1866-1962) 220799 Short Tons Ore

Comments on the production information

  • PRODUCED 26,943 OZ AU IN 1989.
  • PRODUCT SHIPPED TO HANDY AND HARMON REFINERY SEQ 0060379182

Reserves and resources

  • Type In-situ
    Estimate year 1979
    Inferred 5400000mt ore
    Total resources 5400000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 2.2299 g/mt Gold Major 1979
  • Type In-situ
    Estimate year 1981
    Total resources 15420000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 1.5399 g/mt Gold Major 1981

Comments on the reserve resource information

  • ABOUT 2:1 AU:AG RATIO FROM 4500 T/D OPEN-PIT MINE.

Workings at the site

  • Type of workings Surface
    Area 179HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ACTUAL
    Mining Method OPEN PIT
    Percent Waste Rock 66.7
    Avg. Overburden Thickness 2
    Hardness of Ore M-HARD ROCKS
    Avg. Bench Height (meters) 66
    Max. Pit Slope (degrees) 45
    Capacity 4500
    Capacity Units MT ORE/DAY
    Preprod. Stripping Vol. 0
    Unit Production Cost 5.64
    Units of Production $/MT ORE
    Operating Days per Year 208
    Operating Shifts per Day 2
    Year of Information 1984

Comments on the workings information

  • RESTORATION COSTS: 1,186,000 (JAN 1984 DOLLARS) CONTACT: ALL DATA WERE COMPILED FROM USBM FILES, AND SHOULD ONLY BE CONSIDERED AS A ROUGH ESTIMATE.

Reference information

Bibliographic references

  • Reserve-Resource

    BONHAM, H. F., JR. RESERVES, HOST ROCKS, AND AGES OF

  • Reserve-Resource

    BULK-MINEABLE PRECIOUS METAL DEPOSITS IN NEVADA. NV BUR.

  • Reserve-Resource

    MINES AND GEOL. OFR 82-9, 1982, 4 PP.

  • Reserve-Resource

    WORLD MINING (SAN FRANCISCO) WHAT'S GOING ON IN WORLD

  • Reserve-Resource

    MINING - UNITED STATES: NEVADA; CYPRUS STUDIES AU PIT AT

  • Reserve-Resource

    NORTHUMBERLAND. V. 33, NO. 5, 1980, P. 86.

  • Deposit

    BOHN, E. E., JR., AND I. J. GOLDSTEIN. ELECTRON MICROSCOPY

  • Deposit

    OF SOME DISSEMINATED GOLD DEPOSITS, 1969, 43 PP.;

  • Deposit

    AVAILABLE UPON REQUEST FROM MACKAY SCHOOL OF MINES

  • Deposit

    LIBRARY, UNIV. NV, RENO, NV.

  • Deposit

    GARSIDE, L. J. RADIOACTIVE MINERAL OCCURRENCES IN NEVADA.

  • Deposit

    NV BUREAU OF MINES AND GEOL. BULL. 81, 1973, 121 PP.

  • Deposit

    GOLDSTEIN, I. J. GOLD MINERALIZATION AT THE NORTHUMBERLAND

  • Deposit

    GOLD MINE, NYE COUNTY, NEVADA. GEOL. SOC. AM, ABSTR.

  • Deposit

    WITH PROGRAMS, V. 5, NO. 1, 1973, P. 48.

  • Deposit

    GROVE, G. R. A STUDY OF THE FINE-GRAINED DISSEMINATED GOLD

  • Deposit

    GOLD ORE OF THE WINDFALL MINE, EUREKA COUNTY, NEVADA.

  • Deposit

    M.A. THESIS, UNIV. CA, SANTA BARBARA, CA, 1979, 98 PP.

  • Deposit

    KAY, M., AND J. P. CRAWFORD. PALEOZOIC FACIES FROM THE

  • Deposit

    MIOGEOSYNCLINAL TO THE EUGEOSYNCLINAL BELT IN THRUST

  • Deposit

    SLICES, CENTRAL NEVADA. GEOL. SOC. AM. BULL., V. 75,

  • Deposit

    NO. 5, 1964, P. 425-454.

  • Deposit

    KLEINHAMPLE, F. J., AND J. I. ZIONY. PRELIMINARY GEOLOGIC

  • Deposit

    MAP OF NORTHERN NYE COUNTY, NEVADA. U.S. GEOL. SURV.

  • Deposit

    OPEN-FILE MAP, 1967, SCAL 1:200,000.

  • Deposit

    KRAL, V. E. BUENA VISTA IRON DEPOSIT, CHURCHILL COUNTY,

  • Deposit

    NEVADA. BUMINES RI 4094, 1947, 5 PP.

  • Deposit

    MCKEE, E. H. NORTHUMBERLAND CALDERA AND NORTHUMBERLAND TUFF

  • Deposit

    IN GUIDEBOOK TO THE GEOLOGY OF FOUR TERTIARY VOLCANIC

  • Deposit

    CENTERS IN CENTRAL NEVADA. NV BUREAU OF MINES AND GEOL. REP.

  • Deposit

    19, 1974, P. 35-41.

  • Deposit

    MCKEE, E. H. GEOLOGY OF THE NORTHERN PART OF THE TOQUIMA

  • Deposit

    RANGE, LANDER, EUREKA, AND NYE COUNTIES, NEVADA.

  • Deposit

    U.S. GEOL. SURV. PROF. PAPER 931, 1976, 49 PP.

  • Deposit

    MCKEE, E. H., AND R. J. ROSS, JR. STRATIGRAPHY OF EASTERN

  • Deposit

    ASSEMBLAGE ROCKS IN A WINDOW IN ROBERTS MOUNTAINS THRUST,

  • Deposit

    NORTHERN TOQUIMA RANGE, CENTRAL NEVADA. AM. ASSOC. OF

  • Deposit

    PETROL. GEOL. BULL., V. 53, NO. 2, 1969, P. 421-429.

  • Deposit

    MOTTER, J. W., AND P. E. CHAPMAN. NORTHUMBERLAND GOLD

  • Deposit

    DEPOSIT, NY COUNTY, NEVADA, FIELD GRIP 2, SEDIMENT-HOSTED

  • Deposit

    PRECIOUS METAL DEPOSITS. PAPER IN EXPLORATION FOR ORE

  • Deposit

    DEPOSITS OF THE NORTH AMERICAN CORDILLERA, FIELD TRIP

  • Deposit

    GUIDEBOOK, ED. BY J. L. JOHNSON. SYMP. OF ASSOCI. EXPL.

  • Deposit

    GEOCHEM., RENO, NV, MAR. 25-28, 1984, P. FT2 9-25.

  • Deposit

    NEVADA MINING ASSOCIATION (RENO). CYPRUS TO PUT

  • Deposit

    NORTHUMBERLAND GOLD MINE INTO PRODUCTION. NV MIN. ASSOC.

  • Deposit

    BULL., V. 4, AUG.-OCT. 1980, P. 16.

  • Deposit

    OTT, L. E. GEOLOGY AND ORE LOCALIZATION AT THE

  • Deposit

    NORTHUMBERLAND GOLD MINE, NYE COUNTY, NEVADA. M.S.

  • Deposit

    THESIS, MONTANA COLLEGE OF MINERAL SCIENCE AND

  • Deposit

    TECHNOLOGY, 1983, 52 PP.

  • Deposit

    ROSS, D. M. ENVIRONMENTAL PITFALLS FOR HARD-ROCK MINING IN

  • Deposit

    THE WEST. PROCEEDINGS FROM A SYMPOSIUM ON GOLD (APR. 21-

  • Deposit

    24, 1980), 6 PP.; AVAILABLE FROM MACKAY SCHOOL OF MINES,

  • Deposit

    UNIV. NV, RENO.

  • Deposit

    RYE, R. O., D. R. SHAWE, AND F. G. POOLE. STABLE ISOTOPE

  • Deposit

    STUDIES OF BEDDED BARITE AT EAST NORTHUMBERLAND CANYON IN

  • Deposit

    TOQUIMA RANGE, CENTRAL NEVADA. U.S. GEOL. SURV. J. RES.,

  • Deposit

    V. 6, NO. 2, 1978, P. 221-229.

  • Deposit

    SHANLEY, F. E. A GEOLOGIC AND ECONOMIC ANALYSIS OF THE

  • Deposit

    DISSEMINATED GOLD INVESTMENT ALTERNATIVE. M.S. THESIS,

  • Deposit

    STANFORD UNIV., STANDFORD, CA, 1977, 149 PP.

  • Deposit

    SHAWE, D. R., F. G. POOLE, AND D. A. BROBST. BEDDED BARITE

  • Deposit

    IN EAST NORTHUMBERLAND CANYON, NYE COUNTY, NEVADA. U.S.

  • Deposit

    GEOL. SURV. CIRCULAR 555, 1967, 8 PP.

  • Deposit

    SHAWE, D. R., F. G. POOLE, AND D. A. BROBST. NEWLY

  • Deposit

    DISCOVERED BEDDED BARITE DEPOSITS IN EAST NORTHUMBERLAND

  • Deposit

    CANYON, NYE COUNTY, NEVADA. ECON. GEOL. AND BULL. SOC.

  • Deposit

    ECON. GEOL., V. 64, NO. 3, 1969, P. 245-254.

  • Deposit

    SILBERMAN, M. L., AND E. H. MCKEE. K-AR AGES OF GRANITIC

  • Deposit

    PLUTONS IN NORTH-CENTRAL NEVADA. ISOCHRON/WEST, NO. 71-1,

  • Deposit

    1971, P. 15-32.

  • Deposit

    STEVENS, D. L. AND R. B. HAWKINS. A COMPARISON OF THE GOLD

  • Deposit

    MINERALIZATION AT JERRITT CANYON, NEVADA, WITH OTHER

  • Deposit

    DISSEMINATED GOLD DEPOSITS OF THE BASIN AND RANGE REGION.

  • Deposit

    PRES. AT AIME CIRCUMPACIFIC ENERGY AND MINER. RESOUR.

  • Deposit

    CONF., HONOLULU, HI, AUG. 1982, 13 PP.

  • Deposit

    WALKER, P. CANFIELD: U.S. GOLD PRODUCTION WILL HIT 2M

  • Deposit

    OUNCES/ NEW MINES OPENING, OLD ONES EXPANDING; NEVADA

  • Deposit

    LEADS IN OUTPUT AHEAD OF SOUTH DAKOTA, UTAH. AM. MET.

  • Deposit

    MARKET, MAR. 11, 1983, P. 3, 7.

  • Deposit

    WALLACE (ID) MINER. CYPRUS FILES PLAN OF OPERATION IN

  • Deposit

    NEVADA. AUG. 28, 1980, P. 4.

  • Deposit

    WARGO, J. G. THE NEXT EXPLORATION STAGE FOR CARLIN-TYPE

  • Deposit

    GOLD DEPOSITS. MIN. ENG. (NY), VOL. 31, NO. 9, 1979,

  • Deposit

    P. 1321-1323.

  • Deposit

    UNPUBLISHED REPORT, AREAS OF DEVELOPMENT INTEREST IN THAT

  • Deposit

    PART OF THE TOQUIMA RANGE, NEVADA, ADMINISTERED AS

  • Deposit

    TOIYABE NATIONAL FOREST.

Reporter information

Type Date Name Affiliation Comment
Reporter 26-JUN-97 Buckingham, David A. U.S. Bureau of Mines

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Current status (per MSHA)

StatusAbandoned since 09/28/1995
MSHA mine ID2601661
Mine name (MSHA)Northumberland
Current operatorWestern States Minerals Corp
Current controller (parent)W S Holding Corp
Mine typeSurface (Metal / non-metal)

MSHA cross-reference per the original MRDS record. Mine status and operator reflect MSHA's last published Mines export (February 2025); MSHA's public bulk feed has been unavailable since, so this may be out of date. See the Mine Data Retrieval System for current status.

Open MSHA's Mine Data Retrieval System for inspections, accidents, and violations for this mine.

External references

Maps centered on this site

Authoritative Nevada resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.