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Mount Hope Mine

Plant in Eureka county in Nevada, United States with commodities Cadmium, Copper, Gold, Lead, Molybdenum, Silver, Zinc
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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. Reserves and resources
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. Reporter information

Geologic information

Identification information

Deposit ID 10149136
MRDS ID W016396
MAS/MILS ID 0320110037
Record type Site
Current site name Mount Hope Mine
Alternate or previous names Lorraine Workings, Mt. Hope, Mt. Hope Mine

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -116.17371, 39.78962 (WGS84)
Elevation 2194
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

Eureka(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Garden Pass(quadrangle 1:24,000 scale)

Simpson Park Mountains(quadrangle 1:100,000 scale)

Millett(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)

Geographic areas

Country State County
United States Nevada Eureka

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 022 N 052 E 18 W2 Nevada

Comments on the location information

  • MINE AND MILL FACILITIES ALSO LOCATED IN SECS. 12 & 13. T.22N, R.51E, AND SECS. 7, 8, 9, 18, 17, 16, 19, 20, AND 21, T.22N, R.52E. * * GENERAL LOCATION: 35 KM NORTHWEST OF EUREKA, NEVADA. . MILL: ON-SITE,PROPOSED,CONCENTRATOR-HYDROMETALLURGICAL CONV- ERSION PLANT PRODUCING MOLYBDIC ACID AND FERROMOLYBDENUM. PLAN HAS BEEN MODIFIED FOR FLOTATION PLANT ONLY

Commodities

Commodity Importance
Cadmium Tertiary
Copper Tertiary
Gold Tertiary
Lead Tertiary
Molybdenum Primary
Silver Tertiary
Zinc Critical Tertiary

Materials information

Materials Type of material
Cerussite Unknown
Chalcopyrite Unknown
Galena Unknown
Molybdenite Unknown
Pyrrhotite Unknown
Smithsonite Unknown
Sphalerite Unknown

Nearby scientific data

Ore Body (1) -116.17371, 39.78962
ListMap

Economic information

Ore body information

  • Strike N30W
    Dip 06E
    Thickness 700M
    Length 2100M
    Width 1400M
    Depth to top 1130M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 DISSEMINATED
    Shape of Orebody #1 MASSIVE
    Type of Orebody #2 DISSEMINATED
    Shape of Orebody #2 IRREGULAR
    Type of Orebody #3 FISSURE VEIN
    Primary mode of Origin HYDROTHERMAL
    Secondary mode of Origin HYDROTHERMAL
    Primary Ore Control IGNEOUS
    Secondary Ore Control LITHOLOGY
    Degree of Wallrock Alter. INTENSE
    Type of Wallrock Alter. #1 POTASSIC
    Type of Wallrock Alter. #2 CARBONATE SILIC
    Strike And Dip N30W:06E
    Minimum Depth to Top 70
    Avg. Thick. Unconsol. Mat. 130
    Min. Thick. Unconsol. Mat. 70
    Date of Last Modification 860408
  • Area 3602HA
    Field Value
    Total Surface Area (HA) 3602
    Date of Last Modification 910418

Economic information about the deposit and operations

Operation type Surface
Development status Plant
Commodity type Metallic
Significant No
Discovery year 1870
Year of first production 1886
Plant type Smelter
Plant subcategory Hydromet

Mining district

District name Mount Hope District

Mineral rights holdings

Type of mineral rights Located Claim
Type of mineral rights Federal Lease
Type of mineral rights Fee Ownership

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Owner-Operator
    Owner Exxon Minerals Co.
    ID 2601132
    Interest 100
    Home office New York
    Year 1985

Reserves and resources

  • Type In-situ
    Estimate year 1984
    Measured 294000000mt ore
    Demonstrated 294000000mt ore
    Total resources 294000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Molybdenum MoS2 0.113 wt-pct Molybdenum Major 1984
  • Type In-situ
    Estimate year 1984
    Indicated 196000000mt ore
    Demonstrated 196000000mt ore
    Total resources 196000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Molybdenum MoS2 0.093 wt-pct Molybdenum Major 1984
  • Type In-situ
    Estimate year 1984
    Inferred 490000000mt ore
    Total resources 490000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Molybdenum MoS2 0.06 wt-pct Molybdenum Major 1984

Comments on the reserve resource information

  • LARGE LOW GRADE MOLYBDENUM DEPOSIT WOULD BE DEVELOPED BY AN OPEN PIT.

Workings at the site

  • Type of workings Surface
    Area 281HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method OPEN PIT
    Percent Waste Rock 74.5
    Avg. Overburden Thickness 130
    Primary Material Cover SAND, GRAVEL
    Percentage 4
    Secondary Material Cover M-HARD ROCKS
    Percentage 4
    Hardness of Ore M-HARD ROCKS
    Avg. Bench Height (meters) 20
    Max. Pit Slope (degrees) 45
    Capacity 28000
    Capacity Units MT ORE/DAY
    Preprod. Stripping Vol. 67461
    Unit Production Cost 4.99
    Units of Production $/MT ORE
    Operating Days per Year 350
    Operating Shifts per Day 3
    Year of Information 1984

Reference information

Bibliographic references

  • Deposit

    DILLARD, G. EXXON STILL HAS HOPES FOR MOUNT HOPE. PAY-

  • Deposit

    DIR, MAY 1983.

  • Deposit

    ELKO DAILY FREE PRESS. EXXON PROPOSING LARGE MOLY MINE

  • Deposit

    NEAR EUREKA. MAR 14, 1983.

  • Deposit

    ENGINEERING AND MINING JOURNAL. MOLY MARKET WILL DETER-

  • Deposit

    MINE STARTUP OF MOUNT HOPE. APR. 1983, P. 31.

  • Deposit

    ENGINEERING AND MINING JOURNAL. EXXON'S MT. HOPE MOLY

  • Deposit

    PROJECT IN PLANING STAGE; NO DECISION YET. FEB. 1985, P. 21.

  • Deposit

    MATSON, E.J. EXPLORATION OF THE MOUNT HOPE MINE, EUREKA

  • Deposit

    COUNTY, NEVADA. BUMINES RI 3928, 1946, 7 PP. AND PLATES.

  • Deposit

    MISSALLATI, A.A. GEOLOGY AND ORE DEPOSITS OF MT. HOPE

  • Deposit

    MINING DISTRICT, EUREKA COUNTY, NEVADA. PH.D. THESIS,

  • Deposit

    STANFORD UNIV. CA., 1973, 160 PP.

  • Deposit

    U.S. BUREAU OF LAND MANAGEMENT. DRAFT ENVIRONMENTAL

  • Deposit

    IMPACT STATEMENT FOR THE MT. HOPE MOLYBDENUM PROJECT,

  • Deposit

    10 V., 1984.

Reporter information

Type Date Name Affiliation Comment
Reporter 18-FEB-93 Sweeney, Thomas M. 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 03/18/1981
MSHA mine ID2601132
Mine name (MSHA)Mt Hope Mill
Current operatorMt Hope Mining Corp
Current controller (parent)Drimmer Harold L
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.