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Robertson Mine Tenabo

Plant in Lander county in Nevada, United States with commodity Gold
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Geologic information

Identification information

Deposit ID 10173880
MAS/MILS ID 0320150650
Record type Site
Current site name Robertson Mine Tenabo
Alternate or previous names Robertson Gold Project, Robertson, Robertson Project

Geographic coordinates

Point of reference Pit
Geographic coordinates: -116.69483, 40.31321 (WGS84)
Elevation 2000
Location accuracy 100(meters)
(click for info)

Geographic areas

Country State County
United States Nevada Lander

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 028 N 047 E 08 E2 Nevada

Commodities

Commodity Importance
Gold Primary

Nearby scientific data

Pit (1) -116.69483, 40.31321
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Comments on the geologic information

  • THE HIGHLY SILICEOUS OXIDIZED ORE AND BARREN STRIPPED MATERIAL REMAIN ON DORMANT LEACH PADS AND ON WASTE PILES NEAR THE PITS. BOTH ROCKTYPES ARE ESSENTIALLY NON-REACTIVE AND BECAUSE OF THE SPARSE RAINFALL, WILL PROBABLY NOT GENERATE HARMFUL COMPOUNDS.

Economic information

Economic information about the deposit and operations

Operation type Surface
Development status Plant
Commodity type Metallic
Significant Yes
Discovery year 1869
Discovery method Ore-Mineral In Place
Mining method Open Pit
Year of first production 1988
Plant type Leach
Plant subcategory Precipitation
Milling method Leach-Precipitation

Mining district

District name Bullion District

Mineral rights holdings

Type of mineral rights Unknown

Land status

Ownership category Unknown

Ownership information

  • Type Owner-Operator
    Owner Coral Gold Corp.
    Interest 100
    Home office Canada
    Year 1996
    First year 1989
  • Type Unknown
    Owner Amax Gold, Inc.
    Interest 65
    Home office Colorado
    Year 1996
    First year 1995
  • Type Owner
    Owner Coral Resources Inc. (See Comments "O" 001-002)
    ID 2670157
    Interest 100
    Home office Canada
    Year 1990

Comments on the ownership information

  • THE 1990 AMERICAN MINES HANDBOOK, P83, SHOW CORAL GOLD CORP AS OWNER, NOT CORAL RESOURCES INC. AS OWNER OF THIS PROPERTY. AMAX CAN EARN UP TO 70% INTEREST BY INVESTING IN EXPLORATION OF THIS PROPERTY.

Production statistics

  • Year 1989
    Description 1989 Start Up 2000 St/Day
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 2,205mt

Comments on the production information

  • EXPECTED ANNUAL AU PROD. LEVEL OF 64,000 OZ. 1988 RESERVE= 387,000 CONT. OZ. PRODUCED 4,000 OZ AU AS OF MID-1989 WHEN OPERATION CLOSED, DUE TO LOW GRADE AND ERRATIC MINERALIZATION.

Reserves and resources

  • Type In-situ
    Estimate year 1995
    Demonstrated 18,143,695mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 1.2343 g/mt Gold Major 1995
  • Type In-situ
    Estimate year 1996
    Demonstrated 9,979,032mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 1.3714 g/mt Gold Major 1996
  • Type In-situ
    Estimate year 1996
    Demonstrated 9,979,032mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 1.3714 g/mt Gold Major 1996

Comments on the reserve resource information

  • RESERVES; PROVEN + PROBABLE MINABLE OPEN PIT, 12/31/95:

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
U.S. Bureau of Mines Minerals Availability System MAS 0320150650
Mine Safety and Health Administration MSHA MSHA 2670157

Bibliographic references

  • Reserve-Resource

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

  • Reserve-Resource

    AMERICAN MINES HANDBOOK, 1993, P 59.

  • Reserve-Resource

    AMERICAN MINES HANDBOOK, 1996, P 79.

  • Deposit

    NEV. DIV. MINE INSPECTION, DIRECTORY OF MINE OPERATIONS

  • Deposit

    ACTIVE DURING CALENDAR YEAR: 1986; P38: 1987; P40:

  • Deposit

    1988; P40; 1989; P46.

  • Deposit

    1995/96, NEVADA MINES DIRECTORY, PP. 2-3.

  • Deposit

    AMERICAN MINES HANDBOOK, 1989-93, 1996.

  • Deposit

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

  • Deposit

    COMPANIES, P267.

  • Deposit

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

  • Deposit

    COMPANIES, P345.

  • Deposit

    CORAL GOLD CORP. SHAREHOLDER UPDATE, 4-97.

  • Deposit

    CORAL GOLD CORP. SHAREHOLDER UPDATE, AUG/SEPT 1997.

Reporter information

Type Date Name Affiliation Comment
Reporter 28-AUG-97 Buckingham, David A. U.S. Bureau of Mines