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  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Mitchell Plateau

Prospect in Western Australia, Australia with commodity Aluminum
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  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. Reserves and resources
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10158796
MAS/MILS ID 6020550012
Record type Site
Current site name Mitchell Plateau
Alternate or previous names Cape Bouganville, Mitchell Plateau Deposit

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: 125.49919, -15.49704 (WGS84)
Elevation 360
Location accuracy 5000(meters)

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
Aluminum Critical Primary

Materials information

Materials Type of material
Boehmite Unknown
Gibbsite Unknown

Nearby scientific data

Ore Body (1) 125.49919, -15.49704
ListMap

Economic information

Ore body information

  • Depth to top 0.4M
    Field Value
    MAS Matrix # 1
    MAS Column # 3
    Type of Orebody #1 LATERITE
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 REPLACEMENT
    Shape of Orebody #2 IRREGULAR
    Primary mode of Origin RESIDUAL CONCENT
    Secondary mode of Origin OXIDATION
    Primary Ore Control LITHOLOGY
    Secondary Ore Control CONTACT ZONE
    Degree of Wallrock Alter. NONE
    Avg. Thick. Unconsol. Mat. .4
    Date of Last Modification 900806
  • Area 8400HA
    Field Value
    Degree of Wallrock Alter. UNKNOWN
    Total Surface Area (HA) 8400
    Date of Last Modification 900806

Economic information about the deposit and operations

Operation type Surface
Development status Prospect
Commodity type Metallic
Significant No
Discovery year 1965
Milling method Sizing

Mining district

District name Kimberly

Mineral rights holdings

Type of mineral rights Minerals Only

Land status

Ownership category Private

Ownership information

  • Type Owner-Operator
    Owner Mitchell Plateau Bauxite Co. Ltd (Comalco Ltd)
    Interest 52
    Home office Australia
    Year 1986
  • Type Owner
    Owner Alcoa Of Australia Ltd. (Subsidary Of Alcoa)
    Interest 18
    Home office Australia
    Year 1986
  • Type Owner
    Owner Billiton Aluminium Australia Bv (Royal Dutch Shell)
    Interest 10
    Home office Australia
    Year 1986
  • Type Owner
    Owner Sumitomo Aluminiumn Smelting Co.
    Interest 10
    Home office Japan
    Year 1986
  • Type Owner
    Owner Sumitomo Corp.
    Interest 5
    Home office Japan
    Year 1986
  • Type Owner
    Owner Marubeni Corp.
    Interest 5
    Home office Australia
    Year 1986

Reserves and resources

  • Type In-situ
    Estimate year 1980
    Measured 200000000mt ore
    Demonstrated 200000000mt ore
    Total resources 200000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Aluminum Al2O3 47 wt-pct Aluminum Major 1980
  • Type In-situ
    Estimate year 1987
    Measured 235000000mt ore
    Demonstrated 235000000mt ore
    Total resources 235000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Aluminum Al2O3 47.5 wt-pct Aluminum Major 1987
  • Type In-situ
    Estimate year 1983
    Measured 1200000000mt ore
    Demonstrated 1200000000mt ore
    Total resources 1200000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Aluminum Al2O3 55 wt-pct Aluminum Major 1983

Comments on the reserve resource information

  • Q-MATRIX 1 COL 1 IS THE MITCHELL PLATEAU RESERVE ESTIMATE BY GOLDER, IN THEIR MITCHELL PLATEAU AND CAPE BOUGANVILLE DEPOSIT PROFILE REPORT, OF 1980, 81. (ALSO IN QM9;C2). Q-MATRIX 1 COL 3 AND Q-MATRIX 9 COL 4 ARE THE RESERVE/ RESOURCE ESTIMATES USED IN THE 1980, 81 AVAILABILITY STUDY, THEY ARE BASED ON GOLDERS 1980, 81 DATA. Q-MATRIX 1 COL 5 AND Q-MATRIX 9 COL 6. IS THE RESERVE/ RESEOUCE ESTIMATE FOR THE 1987 AL UPDATE STUDY. THIS DATA IS ALSO BASED ON THE ABOVE RESERVE/RESOURCE ESTIMATE DATA
  • OTHER OWNER: ALUMAX BAUXITE CORP. CAPE BOUGANVILLE FORMERLY MAS SEQ # 6020550053, LAT S153000,LON E1261500 GR 36%, RES 980000000 DEVELOPMENT OF CAPE BOUGAINVILLE DEPOSIT TIED TO DEVELOPMENT OF THIS DEPOSIT. CAPE BOUGAINVILLE WILL ONLY BE DEVELOPED AFTER THIS DEPOSIT ON LINE.

Workings at the site

  • Type of workings Surface
    Area 4000HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method OPEN PIT
    Avg. Overburden Thickness .4
    Capacity 27778
    Capacity Units MT ORE/DAY
    Operating Days per Year 234
    Operating Shifts per Day 2
    Year of Information 1987

Comments on other economic factors

  • FEEDS DATA SET DISCRIBES THE BAUXITE ORE GOING TO THE "MILL" NOT THE REFINERY.
  • COSTS ESTIMATES, FOR THE 1987 ALUMINUM UPDATED AVAILABILITY STUDY WERE BASED ON THE COSTS OF THE 1980, 81 PETERSON EVALUATION. 1980$ COSTS INCURRED AFTER 1987 IN THE 1980, 81 EVALUATION WERE UPDATED TO 1987$ FOR THE 1987 STUDY.

Reference information

Bibliographic references

  • Reserve-Resource

    REGISTER OF AUSTRALIAN MINING, 1980 P. ???.

  • Reserve-Resource

    REGISTER OF AUSTRALIAN MINING, 1987 P. 312.

  • Reserve-Resource

    REFISTER OF AUSTRALIAN MINING, 1988, 89 P. 260-266, "BADLY

  • Reserve-Resource

    NEEDED RISE IN EXPORTS REVERSES DWINDLING TREND".

  • Reserve-Resource

    E $ MJ, NOVEMBER, 1983, "ALUMINUM - PRODUCERS SEE POTENTIAL

  • Reserve-Resource

    FOR SIGNIGICANT GROWTH IN BAUXITE ALUMINA, AND ALUMINUM

  • Reserve-Resource

    PRODUCTION", PP 71-72.

  • Deposit

    WORLD MINING FEB. 1981, P69, 70.

  • Deposit

    INTERNATIONAL MINING, "AUSTRALIA'S ALUMINIUM GROWTH -

  • Deposit

    THE CONSTRUCTION OF A A$1,150 MILLION SMELTER AT

  • Deposit

    PORTLAND, VICTORIA, WILL ADD TO THE STRONG RECENT GROWTH

  • Deposit

    OF THE ALUMINIUM INDUSTRY", LOCATION MAP.

  • Deposit

    MINING ANNUAL REVIEW, 1987, P334.

  • Deposit

    MINIMG JOURNAL, AUG. 1980, DEPT. OF MINES, QUEENSLAND GOVT.

  • Deposit

    BRISBANE, MITCHELL PLATEAU PROJECT.

  • Deposit

    SEE CAPE BOUGANVILLE DATA BASE FOR MORE REFERENCES.

Reporter information

Type Date Name Affiliation Comment
Reporter 29-DEC-1994 Wilburn, David R. U.S. Bureau of Mines

Beyond USGS

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

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