Emerson Mine

Past Producer in Lincoln county in Nevada, United States with commodity Tungsten
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. Ownership information
  14. Production statistics
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10149742
MRDS ID M030087
MAS/MILS ID 0320170012
Record type Site
Current site name Emerson Mine
Alternate or previous names Tem Piute, Lincoln, North Tempiute, South Thumb, Tempiute, Wah Chang Tungsten Mine

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -115.63087, 37.64276 (WGS84)
Elevation 2013
Location accuracy 10(meters)

Site location context

Political divisions (FIPS codes)

Lincoln(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Tempiute Mountain North(quadrangle 1:24,000 scale)

Timpahute Range(quadrangle 1:100,000 scale)

Caliente(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Sand Spring-Tikaboo Valleys(hydrologic unit)

Central Nevada Desert Basins(hydrologic accounting unit)

Central Nevada Desert Basins(hydrologic subregion)

Great Basin(hydrologic region)

Geographic areas

Country State County
United States Nevada Lincoln

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 003 S 056 E 36 W2E2 Nevada

Commodities

Commodity Importance
Tungsten Critical Primary

Materials information

Materials Type of material
Bismuth Unknown
Fluorite Unknown
Magnetite Unknown
Molybdenite Unknown
Muscovite Unknown
Pyrite Unknown
Pyrrhotite Unknown
Scapolite Unknown
Scheelite Unknown
Sphalerite Unknown
Tremolite Unknown

Nearby scientific data

Main Entrance (1) -115.63087, 37.64276

Economic information

Ore body information

  • Strike N40E
    Dip 60W
    Thickness 15M
    Length 2000M
    Width 500M
    Depth to top 0M
    Field Value
    MAS Column # 1
    Type of Orebody #1 REPLACEMENT
    Shape of Orebody #1 IRREGULAR
    Type of Orebody #2 DISSEMINATED
    Type of Orebody #3 SHEAR ZONE
    Primary mode of Origin CONT METASOMATIC
    Secondary mode of Origin HYDROTHERMAL
    Primary Ore Control CONTACT ZONE
    Secondary Ore Control LITHOLOGY
    Strike And Dip N40E:60W
    Date of Last Modification 850814
  • Strike N40E
    Dip 60W
    Thickness 15M
    Length 2000M
    Width 500M
    Area 28HA
    Depth to top 0M
    Field Value
    Type of Orebody #1 REPLACEMENT
    Shape of Orebody #1 IRREGULAR
    Type of Orebody #2 DISSEMINATED
    Type of Orebody #3 SHEAR ZONE
    Primary mode of Origin CONT METASOMATIC
    Secondary mode of Origin HYDROTHERMAL
    Primary Ore Control CONTACT ZONE
    Secondary Ore Control LITHOLOGY
    Degree of Wallrock Alter. INTENSE
    Type of Wallrock Alter. #1 CARBONATE SILIC
    Strike And Dip N40E:60W
    Avg. Thick. Unconsol. Mat. 0
    Total Surface Area (HA) 28
    Date of Last Modification 830714

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Significant Yes
Discovery year 1916
Year of first production 1937
Milling method Flotation

Mining district

District name Tem Piute

Mineral rights holdings

Type of mineral rights Located Claim
Type of mineral rights Patented
Type of mineral rights Private Lease

Ownership information

  • Type Owner
    Owner Teledyne Inc.
    ID 2600340
    Interest 75
    Home office California
    Year 1981
  • Type Owner
    Owner North Tempiute Mining And Development
    ID 2600340
    Interest 25
    Home office Nevada
    Year 1981
  • Type Operator
    Owner Union Carbide Corp., Mining And Metals Division
    ID 2600340
    Interest 25
    Home office Nevada
    Year 1984

Production statistics

  • Year 1937
    Description Crude Ore Mined At 1.0 % Wo3 2370 Metric Tons
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major WO3 Tungsten Tungsten 2370mt 1wt-pct
  • Year 1937
    Description Tungsten Metal Recovered 12590 Kilograms
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Tungsten Tungsten 12.59mt
  • Year 1938
    Description Crude Ore Mined At 1.0 % Wo3 490 Metric Tons
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major WO3 Tungsten Tungsten 490mt 1wt-pct
  • Year 1938
    Description Tungsten Metal Recovered 1290 Kilograms
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Tungsten Tungsten 1.29mt
  • Year 1940
    Description Crude Ore Mined At 0.547 % Wo3 83370 Metric Tons
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Wo3 Tungsten Tungsten 83370mt 1wt-pct
  • Year 1940
    Description Tungsten Metal Recovered 242360 Kilograms
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Tungsten Tungsten 242.36mt
  • Year 1941
    Description Tungsten Metal Recovered 732540 Kilograms
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Tungsten Tungsten 732.54mt
  • Year 1941
    Description Crude Ore Mined At 0.680 % Wo3 201880 Metric Tons
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major WO3 Tungsten Tungsten 201880mt 1wt-pct
  • Year 1942
    Description Tungsten Metal Recovered 1069490 Kilograms
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Tungsten Tungsten 1609.49mt
  • Year 1942
    Description Crude Ore Mined At 0.980 % Wo3 198080 Metric Tons
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major WO3 Tungsten Tungsten 198080mt 1wt-pct
  • Year 1943
    Description Crude Ore Mined At 1.050 % Wo3 29230 Metric Tons
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major WO3 Tungsten Tungsten 29230mt 1wt-pct
  • Year 1943
    Description Tungsten Metal Recovered 163800 Kilograms
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Tungsten Tungsten 163.8mt
  • Year 1943
    Description Tungsten Metal Recovered 57330 Kilograms
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Tungsten Tungsten 57.33mt
  • Year 1943
    Description Crude Ore Mined At 0.329 % Wo3 32790 Metric Tons
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major WO3 Tungsten Tungsten 32790mt 0wt-pct
  • Year 1944
    Description Tungsten Metal Recovered 315920 Kilograms
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Tungsten Tungsten 315.92mt
  • Year 1944
    Description Crude Ore Mined At 0.990 % Wo3
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Tungsten Tungsten 1wt-pct
  • Year 1945
    Description Tungsten Metal Recovered 283630 Kilograms
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Tungsten Tungsten 283.63mt
  • Year 1945
    Description Crude Ore Mined At 0.840 % Wo3 52060 Metric Tons
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Tungsten Tungsten 52060mt 1wt-pct
  • Year 1946
    Description Tungsten Metal Recovered 90490 Kilograms
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Tungsten Tungsten 90.49mt
  • Year 1946
    Description Crude Ore Mined At 0.980 % Wo3 173810 Metric Tons
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major WO3 Tungsten Tungsten 173810mt 1wt-pct
  • Year 1947
    Description Crude Ore Mined At 0.671 % Wo3 123100 Metric Tons
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major WO3 Tungsten Tungsten 123100mt 1wt-pct
  • Year 1947
    Description Tungsten Metal Recovered 372290 Kilograms
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Tungsten Tungsten 372.29mt
  • Year 1948
    Description Tungsten Metal Recovered 282040 Kilograms
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Tungsten Tungsten 282.04mt
  • Year 1948
    Description Crude Ore Mined At 0.740 % Wo3 85570 Metric Tons
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Wo3 Tungsten Tungsten 85570mt 1wt-pct
  • Year 1949
    Description Tungsten Metal Recovered 48990 Kilograms
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Tungsten Tungsten 48.99mt
  • Year 1949
    Description Crude Ore Mined At 0.700 % Wo3 15480 Metric Tons
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Tungsten Tungsten 15480mt 1wt-pct
  • Year 1950
    Description Tungsten Metal Recovered 22090 Kilograms
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Tungsten Tungsten 22.09mt
  • Year 1950
    Description Crude Ore Mined At 0.700 % Wo3 6980 Metric Tons
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Tungsten Tungsten 6980mt 1wt-pct
  • Year 1951
    Description Crude Ore Mined At 0.546 % Wo3 39360 Metric Tons
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major WO3 Tungsten Tungsten 39360mt 1wt-pct
  • Year 1951
    Description Tungsten Metal Recovered 169990 Kilograms
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Tungsten Tungsten 169.99mt
  • Year 1952
    Description Tungsten Metal Recovered 812320 Kilograms
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Tungsten Tungsten 812.32mt
  • Year 1952
    Description Crude Ore Mined At 0.400 % Wo3 802450 Metric Tons
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major WO3 Tungsten Tungsten 802450mt 0wt-pct
  • Year 1953
    Description Tungsten Metal Recovered 1176320 Kilograms
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Tungsten Tungsten 1176.32mt
  • Year 1953
    Description Crude Ore Mined At 0.480 % Wo3 526570 Metric Tons
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major WO3 Tungsten Tungsten 526570mt 0wt-pct
  • Year 1954
    Description Tungsten Metal Recovered 3441200 Kilograms
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Tungsten Tungsten 3441.2mt
  • Year 1954
    Description Crude Ore Mined At 0.450 % Wo3 1558740 Metric Tons
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Tungsten Tungsten 1558740mt 0wt-pct
  • Year 1955
    Description Crude Ore Mined At 2.900 % Wo3 4250 Metric Tons
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major WO3 Tungsten Tungsten 4250mt 3wt-pct
  • Year 1955
    Description Tungsten Metal Recovered 46040 Kilograms
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Tungsten Tungsten 46.04mt
  • Year 1955
    Description Crude Ore Mined At 3.100 % Wo3 1980 Metric Tons
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Tungsten Tungsten 1980mt 3wt-pct
  • Year 1955
    Description Tungsten Metal Recovered 91650 Kilograms
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Tungsten Tungsten 91.65mt
  • Year 1955
    Description Tungsten Metal Recovered 4813120 Kilograms
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Tungsten Tungsten 4813.12mt
  • Year 1955
    Description Crude Ore Mined At 0.400 % Wo3 2041170 Metric Tons
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major WO3 Tungsten Tungsten 2041170mt 0wt-pct
  • Year 1956
    Description Tungsten Metal Recovered 4179710 Kilograms
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Tungsten Tungsten 4179.71mt
  • Year 1956
    Description Crude Ore Mined At 0.416 % Wo3 2283620 Metric Tons
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major WO3 Tungsten Tungsten 2283620mt 0wt-pct
  • Year 1957
    Description Tungsten Metal Recovered 2531410 Kilograms
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Tungsten Tungsten 2531.41mt
  • Year 1957
    Description Crude Ore Mined At 0.400 % Wo3 1110970 Metric Tons
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major WO3 Tungsten Tungsten 1110970mt 0wt-pct
  • Year 1976
    Description Crude Ore Mined At 0.230 % Wo3 600000 Metric Tons
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Tungsten Tungsten 600000mt 0wt-pct
  • Year 1977
    Description Tungsten Metal Recovered 623440 Kilograms
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Tungsten Tungsten 623.44mt
  • Year 1977
    Description Crude Ore Milled At 0.230% Wo3 580380 Metric Tons
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major WO3 Tungsten Tungsten 580380mt 0wt-pct
  • Year 1977
    Description Crude Ore Mined At 0.230 % Wo3 642130 Metric Tons
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major WO3 Tungsten Tungsten 642130mt 0wt-pct
  • Year 1978
    Description Crude Ore Milled At 0.219% Wo3 1991550 Metric Tons
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major WO3 Tungsten Tungsten 1991550mt 0wt-pct
  • Year 1978
    Description Tungsten Metal Recovered 2785420 Kilograms
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Tungsten Tungsten 2785.42mt
  • Year 1978
    Description Crude Ore Mined At 0.210 % Wo3 1500470 Metric Tons
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major WO3 Tungsten Tungsten 1500470mt 0wt-pct
  • Year 1979
    Description Crude Ore Mined At 0.300 % Wo3 2085750 Metric Tons
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major WO3 Tungsten Tungsten 2085750mt 0wt-pct
  • Year 1979
    Description Tungsten Metal Recovered 3742190 Kilograms
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Tungsten Tungsten 3742.19mt
  • Year 1979
    Description Crude Ore Milled At 0.260% Wo3 2121320 Metric Tons
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major WO3 Tungsten Tungsten 2121320mt 0wt-pct
  • Year 1980
    Description Crude Ore Milled At 0.384% Wo3 1417750 Metric Tons
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major WO3 Tungsten Tungsten 1417750mt 0wt-pct
  • Year 1980
    Description Tungsten Metal Recovered 3608790 Kilograms
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Tungsten Tungsten 3608.79mt
  • Year 1980
    Description Crude Ore Mined At 0.378 % Wo3 1421170 Metric Tons
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major WO3 Tungsten Tungsten 1421170mt 0wt-pct

Comments on the reserve resource information

  • MULTIPLE MATRICIES " APPROXIMATELY 20 YEARS RESERVES...YIELDING MILLION POUNDS OF TUNGSTEN PER YEAR" FROM BOOKLET GIVEN AT MINE DEDICATION IN JULY, 1977. PRODUCED AT RATE OF 600,000 POUNDS PE YEAR IN 1978, AND JANUARY-AUGUST, 1979, AT LESS THAN 1 MILLION POUNDS PER YEAR. ALTHOUGH ORIGINALLY UNION CARBIDE GAVE OUT ABO 40 MILLION POUNDS PLUS RESERVES, THE RESERVE BASE COULD BE AS LO SHUTDOWN 1982. MAINT. & DEV. CONTINUED IN 1983 AND 1984.
  • M2C1=0. MATRIX 1 COLUMN 1 REPRESENTS THE TOTAL MINE RESERVES AT THE EMMERSON MINE INCLUDING 9 PERCENT DILUTION. MATRIX 1 COLUMN 2 REPRESENTS THE TOTAL MINE RESERVES AT THE EMMERSON MINE IN PLACE EXCLUDING DILUTION.
  • MINE MOTHBALLED IN 1985.

Workings at the site

  • Type of workings Underground
    Length 75000M
    Overall depth 380M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ACTUAL
    Mining Method SHRINKAGE METHODS
    Percent Waste Rock 9
    Percent Recovery 100
    Hardness of Rock HARDROCK WITH LITTLE WATER
    Rock Support Chars. SUPPORTING
    Mine Support Chars. TIMBER
    Number of Shafts 1
    Length of Inclines (m) 50
    Slope of Inclines 20
    Number of Inclines 1
    Avg. Length of Adits (m) 1500
    Number of Adits 13
    1st Condition of Workings OPEN
    Capacity 726
    Capacity Units MT ORE/DAY
    Unit Production Cost 28.41
    Units of Production $/MT ORE
    Operating Days per Year 260
    Operating Shifts per Day 2
    Year of Information 1981

Reference information

Bibliographic references

  • Deposit

    BINYON, E. O., G. H. HOLMES, JR., AND A. C. JOHNSON.

  • Deposit

    INVESTIGATION OF THE TEM PIUTE TUNGSTEN DEPOSIT, LINCOLN

  • Deposit

    COUNTY, NEVADA. BUMINES RI 4626, 1950, 16 PP.

  • Deposit

    BUSECK, P. R. CONTACT METASOMATISM AND ORE

  • Deposit

    DEPOSITION, TEM PIUTE, NEVADA. ECON. GEOL. AND BULL. SOC.

  • Deposit

    ECON. GEOL., V. 62, NO. 3, 1967, PP. 331-353.

  • Deposit

    ENGEL, A. L. TREATMENT TESTS OF SCHEELITE ORES AND

  • Deposit

    TAILINGS. BUMINES RI 4867, 1952, 11 PP.

  • Deposit

    GRIFFITH, R. F. TUNGSTEN. CH. IN MINERAL FACTS AND

  • Deposit

    PROBLEMS, 1970 EDITION. BUMINES B 650, 1970,

  • Deposit

    PP. 399-415.

  • Deposit

    HOBBS, S. W., AND J. E. ELLIOTT. TUNGSTEN. CH. IN

  • Deposit

    UNITED STATES MINERAL RESOURCES, ED. BY D. A. BROBST AND

  • Deposit

    W. P. PRATT. U.S. GEOL. SURV. PROF. PAPER 820, 1973,

  • Deposit

    PP. 667-678.

  • Deposit

    KERR, P. F. TUNGSTEN MINERALIZATION IN THE UNITED

  • Deposit

    STATES. GEOL. SOC. AM. MEMOIR 15, 1946, 241 PP.

  • Deposit

    PAZOUR, D. A. UNION CARBIDE INCREASES TUNGSTEN

  • Deposit

    PRODUCTION WITH NEW NEVADA MINE. MIN. WORLD, V. 40,

  • Deposit

    NO. 3, 1978, PP. 58-59.

  • Deposit

    STAGER, H.K., AND TINGLEY, J.V. TUNGSTEN DEPOSITS IN

  • Deposit

    NEVADA. NV. BUREAU OF MINES AND GEOL. BULLETIN 105, 1988,

  • Deposit

    P. 109-110.

  • Deposit

    TSCHANZ, C. M., AND E. H. PAMPEYAN. GEOLOGY AND

  • Deposit

    MINERAL DEPOSITS OF LINCOLN COUNTY, NEVADA. NV BUREAU OF MINES

  • Deposit

    AND GEOL. BULL. 73, 1970, 186 PP.

  • Deposit

    VANDERBURG, W. O. MINING AND MILLING TUNGSTEN ORES.

  • Deposit

    BUMINES IC 6852, 1935, 47 PP.

  • Deposit

    WIEGAND, J. VARIATION IN COMPOSITION OF THREE

  • Deposit

    GRANITIC STOCKS ASSOCIATED WITH ORE DEPOSITS, LINCOLN

  • Deposit

    COUNTY, NEVADA. M.S. THESIS, COLUMBIA UNIV., NEW YORK,

  • Deposit

    NY, 1961, 104 PP.

  • Deposit

    WYANT, D. G., AND D. M. LEMMON. TUNGSTEN DEPOSITS IN

  • Deposit

    THE TEM PIUTE DISTRICT, LINCOLN COUNTY, NEVADA. U.S. GEOL.

  • Deposit

    SURV. OFR 51-89, 1951, 12 PP.

  • Deposit

    ZADRA, J. B. MILLING AND PROCESSING TUNGSTEN.

  • Deposit

    BUMINES IC 7912, 1959, 120 PP.

General comments

Subject category Comment text
Deposit GENERAL LOCATION: ABOUT 99 KM WEST OF CALIENTE. DOMAIN: PRIVATE AND BLM ADMINISTERED. GENERAL SIZE OF ORE BODY: LARGE MINING METHOD: SHRINKAGE STOPING,OPEN PIT MILL: ON-SITE,INACTIVE;MILLING METHOD,SCHEELITE FLOATION PRODUCT: WO3 CONCENTRATE, PAST PRODUCTION: SEVERAL MILLION KG OF TUNGSTEN METAL REC.

Reporter information

Type Date Name Affiliation Comment
Reporter 08-OCT-1996 Ridenour, James 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 01/11/1994
MSHA mine ID2600340
Mine name (MSHA)Emerson Mine & Mill
Current operatorUmetco Minerals Corp
Current controller (parent)Union Carbide Corp
Mine typeUnderground (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.

Authoritative Nevada resources

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