Casino/Winrock Mine

Past Producer in White Pine county in Nevada, United States with commodity Gold
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. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Mining district
  10. Mineral rights holdings
  11. Land status
  12. Ownership information
  13. Production statistics
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10223461
MAS/MILS ID 0320330520
Record type Site
Current site name Casino/Winrock Mine
Alternate or previous names Casino Mine, Winrock Mine

Geographic coordinates

Point of reference Pit
Geographic coordinates: -115.45229, 39.94102 (WGS84)
Location accuracy 1000(meters)

Site location context

Political divisions (FIPS codes)

White Pine(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Tognini Spring(quadrangle 1:24,000 scale)

Newark Lake(quadrangle 1:100,000 scale)

Ely(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Long-Ruby Valleys(hydrologic unit)

Central Nevada Desert Basins(hydrologic accounting unit)

Central Nevada Desert Basins(hydrologic subregion)

Great Basin(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management NV)

Bureau of Land Management NV BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Nevada White Pine

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 024 N 058 E 25 Nevada

Commodities

Commodity Importance
Gold Primary

Nearby scientific data

Pit (1) -115.45229, 39.94102

Economic information

Economic information about the deposit and operations

Operation type Surface
Development status Past Producer
Commodity type Metallic
Significant No
Mining method Open Pit
Year of first production 1990
Milling method Heap Leach-Merrill-Crowe

Mining district

District name Alligator Ridge

Mineral rights holdings

Type of mineral rights Unknown

Land status

Ownership category Unknown

Ownership information

  • Type Owner-Operator
    Owner Placer Dome U. S. Inc.
    Interest 100
    Home office California
    Year 1996
    First year 1993
  • Type Owner-Operator
    Owner USMX, Inc.
    ID 2602154
    Interest 100
    Home office Colorado
    Year 1991
    Last year 1993

Comments on the ownership information

  • USMX, INC SOLD THE PROPERTY & ITS ALLIGATOR RIDGE ASSETS TO PLACER DOME U.S. INC. FOR $15M IN AUGUST OF 1993.

Production statistics

  • Year 1990
    Description Gold Production 6039 T Oz/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 187833.92g
  • Year 1991
    Description Gold Production 19979 T Oz/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 621416.44g
  • Year 1992
    Description Gold Production 19745 T Oz/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 614138.23g
  • Year 1993
    Description Gold Production 3190 T Oz/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 99220.1g
  • Year 1995
    Description Gold Production Unknown T Oz/Yr

Workings at the site

  • Type of workings Surface
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ACTUAL
    Mining Method OPEN PIT

Reference information

Bibliographic references

  • Deposit

    NEVADA DIVSION OF MINE INSPECTION, 1991, DIRECTORY OF NEVADA

  • Deposit

    MINE OPERATIONS ACTIVE DURING CALENDAR YEAR 1990, P91.

  • Deposit

    RANDOL MINING DIRECTORY, 1994/95, U.S. MINES & MINING

  • Deposit

    COMPANIES, P313.

  • Deposit

    RANDOL MINING DIRECTORY, 1996/97, U.S. MINES & MINING

  • Deposit

    COMPANIES, P237.

General comments

Subject category Comment text
Deposit OPERATION WAS SUPPOSEDLY SUPPLING THE GREEN SPRINGS PLANT, MAS SEQ 0320330511 WITH LOADED CARBON, AS OF 1990. MINE IS IN CLOSURE AS OF 1996. NONINAL HEAP LEACH PRODUCTION IN 1995. MINE ASLO ASSOCIATED WITH THE WINROCK MINE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-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 01/10/1994
MSHA mine ID2602154
Mine name (MSHA)Casino/Winrock
Current operatorUsmx Inc
Current controller (parent)Pegasus Gold Inc
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.

Authoritative Nevada resources

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