Leinster Agnew Mine

Plant in Western Australia, Australia with commodities Copper, Nickel
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Nearby scientific data
  7. Economic information about the deposit and operations
  8. Ownership information
  9. Production statistics
  10. Reserves and resources
  11. Workings at the site
  12. Links to other databases
  13. Bibliographic references
  14. Reporter information

Geologic information

Identification information

Deposit ID 10255889
MAS/MILS ID 6020550015
Record type Site
Current site name Leinster Agnew Mine
Alternate or previous names Agnew Nickel Deposit, Agnew

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: 120.69924, -27.46295 (WGS84)
Elevation 525

Site location context

Political divisions (FIPS codes)

Western Australia(province)

Australia(country)

Australia(continent)

Land(continent)

Geographic areas

Country State
Australia Western Australia

Commodities

Commodity Importance
Copper Secondary
Nickel Critical Primary

Nearby scientific data

Ore Body (1) 120.69924, -27.46295

Economic information

Economic information about the deposit and operations

Operation type Surface
Development status Plant
Commodity type Metallic
Significant Yes
Discovery year 1971
Year of first production 1979
Plant type Beneficiation (Mill)
Plant subcategory Flotation
Milling method Flotation

Ownership information

  • Type Owner-Operator
    Owner Western Mining Corp., Ltd.
    Interest 100
    Home office Australia
    Year 1991

Production statistics

  • Year 1990
    Description Total Production Wmc 49000 Tonnes Ni Contained
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Nickel Nickel 49000mt

Reserves and resources

  • Type In-situ
    Estimate year 1993
    Indicated 43100000mt ore
    Demonstrated 43100000mt ore
    Total resources 43100000mt ore
    Commodity Subtype Grade units Group Importance Year
    Nickel Ni 1.8 wt-pct Nickel Major 1993
  • Type In-situ
    Estimate year 1989
    Indicated 14400000mt ore
    Commodity Subtype Grade units Group Importance Year
    Nickel Ni 2.3 wt-pct Nickel Major 1989
  • Type In-situ
    Estimate year 1988
    Indicated 20000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Nickel Ni 2.3 wt-pct Nickel Major 1988
  • Type In-situ
    Estimate year 1993
    Demonstrated 43100000mt ore
    Total resources 43100000mt ore
    Commodity Subtype Grade units Group Importance Year
    Nickel Ni 1.8 wt-pct Nickel Major 1993

Comments on the reserve resource information

  • MINE CLOSED IN 11/86 OWING TO POOR MARKET CONDITIONS. MINE REOPEN IN 1989. PROD. CAP 9,000 MT. IN 1988 HIGH METAL PRICES ENCOURAGED WESTERN MNG TO PURCHASE OPE RATION. THEY PLAN TO DEVELOP AN OPEN PIT ON THE SITE. PRODUCTION TO BEGIN IN LATE 1989. 1988 RESOURCE DATA IS UNAVAILABLE. ESTIMATES PROVIDED
  • 40 MILLION TONNES OF SULPHIDE ORE RESERVES ARE PROPOSED BELOW THE EXISTING PERSERVENCE MINES. DEVELOPMENT PROBLEMS ARE INDICATED.(OXIDIZED ORE BETWEEN TARGET AND OPEN PIT) MATRIX 9, COLUMN 3, ROW 2 IS LISTED AS RESERVES FOR 1991 BY PRIVATE SOURCE.
  • MINERALS AND MATERIALS, DEC. 1988- JAN. 1989, P43. MINING JOURNAL, VOL 311, NO. 7998, 12/9/88.
  • BY CONTRACTOR AND SUPPORTED BY INDUSTRY SPECIALISTS. RESERVE FI GURE REPRESENTS 1988 PUB. FROM MNG JOURNAL.

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
    Percent Waste Rock 50
    Capacity 3685
    Capacity Units MT ORE/DAY
    Operating Days per Year 300
    Operating Shifts per Day 2
    Year of Information 1991

Comments on other economic factors

  • THE PRESENT ORE GRADE OF 1.9% IS THE RESULT OF A DECREASE IN GRADE.

Reference information

Bibliographic references

  • Reserve-Resource

    AME MINERAL ECONOMICS QUARTERLY MINE ANALYSIS, JUNE, 1993,

  • Reserve-Resource

    P. 40.

  • Deposit

    BRETT, K. "BIG PROJECT AT AGNEW." THE AUSTRALIAN MINER.

  • Deposit

    APRIL 10,, 1978. P 25.

  • Deposit

    ENGINEERING AND MINING JOURNAL. MAY 1977. P. 37.

  • Deposit

    MARTIN, J.E. AND P.D. ALLCHURCH. "PERSERVERANCE NICKEL

  • Deposit

    DEPOSIT, AGNEW." ECONOMIC GEOLOGY OF AUSTRALIA AND

  • Deposit

    PAPUA NEW GUINEA 1. 1975. P 149.

  • Deposit

    MINING JOURNAL. AUGUST 15, 1980. PP. 127-129.

  • Deposit

    NICKEL, E.H. ET. AL. "SUPERGENE ALTERATION AT THE PERSEV-

  • Deposit

    ERANCE NICKEL DEPOSIT, AGNEW, WESTERN AUSTRALIA."

  • Deposit

    GEOLOGY OF AUSTRALIA AND PAPUA NEW GUINEA. VOL. 72.

  • Deposit

    1977. P. 184.

  • Deposit

    SELTRUST HOLDINGS LIMITED. MIN. S. 57 REPORT: THE STOCK

  • Deposit

    EXCHANGE RESEARCH SERVICE. MAY 29, 1980.

  • Deposit

    YOUNG, D. "THE AGNEW NICKEL PROJECT." MINING MAGAZINE.

  • Deposit

    VOL. 141, NO. 6. DECEMBER 1979.

  • Deposit

    METALS BULLETIN MONTHLY - MARCH 1991, P8.

  • Deposit

    "NO DUST FROM THE DESERT."

  • Deposit

    NICKDATA, INC. A COMPREHENSIVE NICKEL INDUSTRY COST DATABASE

  • Deposit

    AND COSTING PROGRAM. 1991. ILMAR J. MARTENS,

  • Deposit

    THOMAS F. TORRIES.

  • Deposit

    CRU - QUARTERLY MARKET SERVICE. NICKEL. APRIL, 1991.

Reporter information

Type Date Name Affiliation Comment
Reporter 10-MAR-1997 Bleiwas, Donald U.S. Bureau of Mines

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.