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  3. Mineral Resource Data System (MRDS)

Castle Mountain

Plant in San Bernardino county in California, United States with commodities Gold, 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. Nearby scientific data
  8. Ore body information
  9. Economic information about the deposit and operations
  10. Mining district
  11. Mineral rights holdings
  12. Land status
  13. Ownership information
  14. Production statistics
  15. Reserves and resources
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10164473
MRDS ID W700451
MAS/MILS ID 0060711074
Record type Site
Current site name Castle Mountain
Alternate or previous names Unnamed Location, Oro Belle Mine, Hart Area
Related records 10085019

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -115.10253, 35.28111 (WGS84)
Elevation 1400
Location accuracy 5000(meters)

Site location context

Political divisions (FIPS codes)

San Bernardino(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Hart Peak(quadrangle 1:24,000 scale)

Ivanpah(quadrangle 1:100,000 scale)

Kingman(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Piute Wash(hydrologic unit)

Lower Colorado(hydrologic accounting unit)

Lower Colorado(hydrologic subregion)

Lower Colorado(hydrologic region)

Geographic areas

Country State County
United States California San Bernardino

Public Land Survey System information

Meridian Township Range Section Fraction State
San Bernardino 014 N 017 E 24 E2 California

Commodities

Commodity Importance
Gold Primary
Silver Tertiary

Nearby scientific data

Ore Body (1) -115.10253, 35.28111
ListMap

Economic information

Ore body information

  • Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 SHEAR ZONE
    Shape of Orebody #1 IRREGULAR
    Type of Orebody #2 REPLACEMENT
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control FRACTURING
    Type of Wallrock Alter. #1 UNKNOWN
    Date of Last Modification 910523

Economic information about the deposit and operations

Operation type Surface
Development status Plant
Commodity type Metallic
Significant Yes
Discovery year 1907
Mining method Open Pit
Year of first production 1991
Plant type Leach
Milling method Heap Leach-Agglomerate-Carbon Column-Electrowin

Mining district

District name Hart

Mineral rights holdings

Type of mineral rights Located Claim
Type of mineral rights Patented

Land status

Ownership category Unknown

Ownership information

  • Type Owner-Operator
    Owner Viceroy Gold Corp. (Viceroy Resources Corp)
    Interest 75
    Home office Canada
    Year 1996
  • Type Owner
    Owner Mk Gold Co.
    Interest 25
    Home office Idaho
    Year 1996

Comments on the ownership information

  • VICERY GOLD CORPROATION IS A WHOLLY OWNED SUBSIDIARY OF VICEROY RESOURCES CORPORATION.

Production statistics

  • Year 1993
    Description Gold Production (Fy93) 104105 T Oz/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 3238027.88g
  • Year 1993
    Description Silver Production (Fy93) 24391 T Oz/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Silver Silver 758645g
  • Year 1994
    Description Gold Production (Fy94) 150907 T Oz/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 4693733g
  • Year 1994
    Description Silver Production (Fy94) 31812 T Oz/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Silver Silver 989463.93g
  • Year 1995
    Description Silver Production (Fy95) 40466 T Oz/Yr Silver
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Silver Silver 1258633.46g
  • Year 1995
    Description Gold Production (Fy95) 168190 T Oz/Yr Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 5262397.95g
  • Year 1996
    Description Gold Production (April To Dec 31 1996) 87612 Tr Oz/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 2725038.17g
  • Year 1996
    Description Gold Production (Total 1996) 122192 T Oz/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 3800596.55g

Reserves and resources

  • Type In-situ
    Estimate year 1993
    Demonstrated 22524000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 1.54 g/mt Gold Major 1993
  • Type In-situ
    Estimate year 1996
    Measured 26298000mt ore
    Indicated 6448000mt ore
    Demonstrated 32746000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 1.19 g/mt Gold Major 1996
  • Type In-situ
    Estimate year 1996
    Demonstrated 24449000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 1.2 g/mt Gold Major 1996
  • Type In-situ
    Estimate year 1997
    Demonstrated 17963000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 1.23 g/mt Gold Major 1997
  • Type In-situ
    Estimate year 1997
    Measured 21802000mt ore
    Demonstrated 21802000mt ore
    Inferred 6448000mt ore
    Total resources 28250000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 1.15 g/mt Gold Major 1997
  • Type In-situ
    Estimate year 1997
    Demonstrated 17962000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 1.23 g/mt Gold Major 1997

Comments on the reserve resource information

  • PROVEN RESERVES; DATE UNK; (LESLEY ANN ORE BODY DEPLETED): OTHERS BEING MINED; PRODUCTION BASED ON 11,400 ST/DAY EST: ORE PROCESSED @ 360 DAYS PER YEAR:

Workings at the site

  • Type of workings Surface
    Area 330HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ACTUAL
    Mining Method OPEN PIT
    Swell Factor .33
    Percent Waste Rock 2.2
    Avg. Overburden Thickness 20
    Primary Material Cover SAND, SILT
    Percentage 80
    Secondary Material Cover M-HARD ROCKS
    Percentage 20
    Hardness of Ore M-HARD ROCKS
    Avg. Bench Height (meters) 7.6
    Max. Pit Slope (degrees) 45
    Capacity 8577
    Capacity Units MT ORE/DAY
    Unit Production Cost 5.54
    Units of Production $/MT ORE
    Operating Days per Year 260
    Operating Shifts per Day 2
    Year of Information 1991

Reference information

Bibliographic references

  • Reserve-Resource

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

  • Reserve-Resource

    COMPANIES, PP. 223, 224.

  • Reserve-Resource

    AMERICAN MINES HANDBOOK, 1996, P239.

  • Reserve-Resource

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

  • Reserve-Resource

    COMPANIES, PP. 152, 153.

  • Reserve-Resource

    VICEROY RESOURCES CORP., 1996 ANNUAL REPORT "A" = MINE

  • Reserve-Resource

    PROPERTY COVER; P10.

  • Reserve-Resource

    MK GOLD COMPANY; 1996 ANNUAL REPORT & FORM 10-K; P14.

  • Reserve-Resource

    VICEROY RESOURCES CORP., 1996 ANNUAL REPORT "B" = GOLD POUR

  • Reserve-Resource

    AND BAR COVER; P10.

  • Deposit

    SOUTHERN PACIFIC CO., MINERALS FOR INDUSTRY, V III,

  • Deposit

    VOL. III SOUTHERN CALIFORNIA, P 41, 1964.

  • Deposit

    LINDER, HAROLD, HART MINING DISTRICT, SAN BERNARDINO, COUNTY

  • Deposit

    CALIFORNIA, CALIFORNIA GEOLOGY, JUNE 1989, PP. 134-144.

  • Deposit

    VICEROY RESOURCE CORP. ANNUAL REPORT FOR 1990, 12 PP, 1991.

  • Deposit

    VICEROY RESOURCE CORP. ANNUAL REPORT FOR 1989, 16 PP, 1990.

  • Deposit

    VICEROY RESOURCE CORP. DRAFT EIS FOR THE CASTLE MOUNTAIN

  • Deposit

    PROJECT, 1990.

  • Deposit

    MINING RECORD. JULY 19, 1995. VICEROY DEVELOPS LONG TERM

  • Deposit

    MINE PLAN FOR CASTLE MOUNTAIN. P.5.

  • Deposit

    MINING RECORD. AUGUST 2, 1995. VICEROY INCREASES WORKING

  • Deposit

    CAPITAL TO $40.4 MILLION. PP.3,4.

  • Deposit

    MINING RECORD. MARCH 15, 1995. VICEROY'S CASTLE MOUNTAIN

  • Deposit

    TO PRODUCE 160,000 OZ. P.1.

  • Deposit

    VICEROY GOLD CORPORATION, PLAN OF OPERATIONS, CASTLE

  • Deposit

    MOUNTAIN PROJECT, HART MINING DISTRICT, SAN BERNARDINO

  • Deposit

    COUNTY, CALIFORNIA, BLM NEEDLES RESOURCES AREA OFFICE,

  • Deposit

    1988, 54 PP.

  • Deposit

    U.S. BUREAU OF MINES (BOM) OPEN FILE REPORT, MLA 6-90, 1991,

  • Deposit

    VOL 1, TABLE 2, NO. 329, P 132.

  • Deposit

    CASTLE MOUNTAIN PROJECT, SAN BERNARDINO COUNTY, CALIF.

  • Deposit

    FINAL EIS/EIR, NO. 890053, AUG., 1990.

  • Deposit

    SKILLINGS MINING REVIEW, VOL., 86, #17, APRIL 26, 1997, P9.

  • Deposit

    AMERICAN MINES HANDBOOK, 1996, 239.

General comments

Subject category Comment text
Deposit ORE BODIES IN THE MINING AREA INCLUDE: JUMBO SOUTH; LESLEY ANN; ORO BELLE; SOUTH EXTENSION; JUMBO; HART: SEE MAS SEQ# 0060710157 ORE BELLE MINE

Reporter information

Type Date Name Affiliation Comment
Reporter 03-OCT-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.

External references

Maps centered on this site

Authoritative California resources

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