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  3. Mineral Resource Data System (MRDS)

Willowdale Mt. William

Producer 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. 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 10280327
MAS/MILS ID 6020550098
Record type Site
Current site name Willowdale Mt. William
Alternate or previous names Willowdale Deposit, Mt. William

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: 116.01603, -32.94599 (WGS84)
Elevation 300
Location accuracy 1000(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) 116.01603, -32.94599
ListMap

Economic information

Ore body information

  • Thickness 4.5M
    Depth to top 0.5M
    Field Value
    MAS Matrix # 1
    MAS Column # 3
    Type of Orebody #1 LATERITE
    Shape of Orebody #1 TABULAR
    Shape of Orebody #2 IRREGULAR
    Primary mode of Origin RESIDUAL CONCENT
    Primary Ore Control LITHOLOGY
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. .5
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 900813

Economic information about the deposit and operations

Operation type Surface
Development status Producer
Commodity type Metallic
Significant Yes
Discovery year 1957
Year of first production 1982
Milling method Washing

Mining district

District name Darling Range

Mineral rights holdings

Type of mineral rights Private Lease
Type of mineral rights Minerals Only

Land status

Ownership category Private

Ownership information

  • Type Owner-Operator
    Owner Alcoa Of Australia Ltd. (Subsidary Of Alcoa)
    Year 1987
  • Type Owner
    Owner Alcoa - Aluminum Co. Of America
    Interest 51
    Year 1987
  • Type Owner
    Owner Western Mining Corp. Holdings Ltd.
    Interest 20
    Year 1987
  • Type Owner
    Owner Bh South Ltd.
    Interest 13
    Year 1987
  • Type Owner
    Owner North Broken Hill Holdings Ltd.
    Interest 12
    Year 1987
  • Type Owner
    Owner Financial Institutions
    Interest 4
    Year 1987

Production statistics

  • Year 1994
    Period 1984 To 1994
    Description Bauxite Ore Production; 1984 To 1994 2100000 Mtpy
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Aluminum Aluminum 2100000mt

Reserves and resources

  • Type In-situ
    Estimate year 1981
    Commodity Subtype Grade units Group Importance Year
    Aluminum Al2O3 32.5 wt-pct Aluminum Major 1981
  • Type In-situ
    Estimate year 1987
    Measured 700000000mt ore
    Demonstrated 700000000mt ore
    Total resources 700000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Aluminum Al2O3 32.5 wt-pct Aluminum Major 1987

Comments on the reserve resource information

  • QM1 COL1 = QM9 COL2: THIS IS GOLDER ASSOCIATES INC. 1981 RESERVE/RESOURCES ESTIMATE DATA CAME OFF OF GOLDERS 1981 ETD. NO BACKUP WAS FOUND FOR THIS ESTIMATE. QM1 COL3 = QM9 COL4; THIS IS A 1986 RESERVE/RESOURCE EST. QM1 COL5 = QM9 COL6; THIS IS THE RESERVE/RESOURCE ESTIMATE USED IN THE 1987 UPDATE EVALUATION. THIS ESTIMATE IS BASED ON THE GOLDER ASSOCIATES ESTIMATE FROM 1981, MINUS PRODUCTION FOR THE YEARS 1984 TO 1986.
  • FEEDS THE WAGERUP REFINERY. BEGAN PRODUCTION IN 1984.

Workings at the site

  • Type of workings Surface
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Mining Method OPEN PIT
    Avg. Overburden Thickness .5
    Primary Material Cover SAND, GRAVEL
    Percentage 100
    Hardness of Ore HARDPAN
    Capacity 5753
    Capacity Units MT ORE/DAY
    Operating Days per Year 365
    Operating Shifts per Day 3
    Year of Information 1987

Comments on other economic factors

  • MINE CAPACITY, METRIC TONS ORE/YEAR: S1= 1,870,000; S2= 3,750,000; S3= 7,500,000; S4= 15,000,000.

Reference information

Bibliographic references

  • Reserve-Resource

    MINERALS YEAR BOOK, 1971, THE MINERAL INDUSTRY OF AUSTRALIA,

  • Reserve-Resource

    P. 107.

  • Reserve-Resource

    REGISTER OF AUSTRALIAN MINING, 1987 P.312.

  • Deposit

    ALCOA OF AUSTRALIA LTD., ANNUAL REPORTS 1975-1979.

  • Deposit

    ALLEN, R.C., 1980, WESTERN MINING CORP. HOLDINGS LTD.,

  • Deposit

    POTTER PARTNERS, MELBOURNE.

  • Deposit

    MINING MAGAZINE, SEPTEMBER 1968, MINING COMPANIES: BAUXITE,

  • Deposit

    VOL. 119, NO. 3, P. 175.

  • Deposit

    ENGINEERING AND MINING JOURNAL, AUGUST 1976, ALCOA USED

  • Deposit

    PORTABLE CRUSHERS AT NEW MINING SITE IN WESTERN

  • Deposit

    AUSTRALIA, P. 31.

  • Deposit

    BUREAU OF MINERAL RESOURCES, GEOLOGY, AND GEOPHYSICS,

  • Deposit

    MINERAL ECONOMICS SECTION, 1977, AUSTRALIAN MINERAL

  • Deposit

    INDUSTRIES: CANBERRA, AUSTRALIA, VOL. 29, NO. 3-4,

  • Deposit

    P. 86-91.

  • Deposit

    ALOCA OF AUSTYRALIA LTD., 1978, WAGERUP ALUMINA PROJECT,

  • Deposit

    ENVIRONMENTAL REVIEW AND MANAGEMENT PROGRAMME.

  • Deposit

    BAKER, G.F.U., 1975, DARLING RANGE BAUXITE DEPOSITS, W.A.,

  • Deposit

    ECONOMIC GEOLOGY OF AUSTRALIA AND PAPUA NEW GUINEA:

  • Deposit

    AUSTRALASIAN INSTITUTE OF MINING & METALLURGY,

  • Deposit

    MELBOURNE.

  • Deposit

    BAKER, S.R., 1973, BAUXITE MINING WITH A MOBILE CRUSHER AND

  • Deposit

    OVERLAND CONVEYORS AT PINJARRA, WESTERN AUSTRALIA:

  • Deposit

    WESTERN AUSTRALIA CONFERENCE 1973, THE AUSTRALASIAN

  • Deposit

    INSTITUTE OF MINING & METALLURGY, MELBOURNE.

  • Deposit

    ERICKSON, 1976, PRINCIPAL BAUXITE DEPOSITS OF THE SOUTHWEST

  • Deposit

    PACIFIC REGION: U.S. BUREAU OF MINES.

  • Deposit

    INGRAM, J.A., 1973, MINERAL RESOURCES REPORT NO. 1, BAUXITE

  • Deposit

    DEPOSITS, 2ND EDITION, P. 15.

  • Deposit

    E & MJ, NOVEMBER 1983, P77, 78

  • Deposit

    MINER NEWSPAPER, MAY 25 - JUNE 7, 1981, P8.

  • Deposit

    MINER NEWSPAPER, SEPT 1 - 14, 1980, P20.

General comments

Subject category Comment text
Deposit MINE IS LOCATED IN DARLING RANGES, WESTERN AUSTRALIA. NEARBY MINES INCLUDE JARRAHDALE AND HUNTLY-DEL PARK. ALL THESE DEPOSITS/MINES WERE COMBINED INTO ONE GOLDER ASSOCIATES DEPOSIT PROFILE FOR THE 1980, 81 AL STUDY. PROPERTY REVIEWED 6/92. NO INFORMATION CHANGED. INDIVIDUAL ORE BODIES RANGE IN SIZE FROM 1 TO 25 HECTARES. STRIKE AND DIP: N00E:07W.

Reporter information

Type Date Name Affiliation Comment
Reporter 14-SEP-1995 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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