1. Mineral Resources
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  3. Mineral Resource Data System (MRDS)

Woodcutters

Producer in Northern Territory*, Australia with commodities Lead, Silver, Zinc
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Nearby scientific data
  7. Ore body information
  8. Economic information about the deposit and operations
  9. Mineral rights holdings
  10. Ownership information
  11. Production statistics
  12. Reserves and resources
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10280811
MAS/MILS ID 6020250012
Record type Site
Current site name Woodcutters

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: 131.11019, -12.96946 (WGS84)
Location accuracy 500(meters)

Site location context

Political divisions (FIPS codes)

Northern Territory*(province)

Australia(country)

Australia(continent)

Land(continent)

Geographic areas

Country State
Australia Northern Territory*

Commodities

Commodity Importance
Lead Primary
Silver Secondary
Zinc Critical Primary

Nearby scientific data

Ore Body (1) 131.11019, -12.96946
ListMap

Economic information

Ore body information

  • Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 REPLACEMENT
    Shape of Orebody #1 PIPELIKE
    Primary mode of Origin METAMORPHISM
    Primary Ore Control FAULTING
    Degree of Wallrock Alter. UNKNOWN
    Type of Wallrock Alter. #1 UNKNOWN
    Date of Last Modification 880506
  • Field Value
    Shape of Orebody #1 PIPELIKE
    Primary Ore Control FAULTING
    Date of Last Modification 880411

Economic information about the deposit and operations

Operation type Underground
Development status Producer
Commodity type Metallic
Significant Yes
Discovery year 1957
Mining method Open Stope
Year of first production 1986
Milling method Flotation

Mineral rights holdings

Type of mineral rights Other

Ownership information

  • Type Owner-Operator
    Owner Nicron Resources Ltd.
    Interest 77.1
    Home office Australia
    Year 1989
  • Type Owner
    Owner Lachlan Resources Nl
    Interest 12.5
    Home office Australia
    Year 1989
  • Type Owner
    Owner Petrocarb Exploration Nl
    Interest 10.4
    Home office Australia
    Year 1989
  • Type Owner
    Owner Normandy Poseidon And Aztec
    Interest 100
    Year 1994
    First year 1994

Production statistics

  • Year 1986
    Description Open Pit Mine 103906 Metric Tons
  • Year 1988
    Description Lead Metal Production 15847 Mt
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Lead Lead 15847mt
  • Year 1989
    Description Lead Metal Production 14137 Mt
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Lead Lead 14137mt
  • Year 1990
    Description Lead Metal Production 16738 Mt
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Lead Lead 16738mt
  • Year 1991
    Description Lead Conc. 41443 Mt
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Conc. Lead Lead 41443mt
  • Year 1991
    Description Zinc Conc. 87975 Mt
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Conc. Zinc Zinc 87975mt
  • Year 1991
    Description Ore Milled 444330 Mt
  • Year 1992
    Description Contained Lead Produced 13000 Mt
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Lead Lead 13000mt
  • Year 1993
    Description Est. Contained Lead Produced 11 Mt
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Lead Lead 11mt
  • Year 1995
    Description Zinc In Concentrate 31000 Mt
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Conc. Zinc Zinc 31000mt
  • Year 1995
    Description Ore Milled 320000 Mt
  • Year 1996
    Description Ore Milled 503000 Mt

Reserves and resources

  • Type In-situ
    Estimate year 1993
    Measured 4700000mt ore
    Demonstrated 4700000mt ore
    Total resources 4700000mt ore
    Commodity Subtype Grade units Group Importance Year
    Zinc Zn 11 wt-pct Zinc Major 1993
    Lead Pb 5.6 wt-pct Lead Major 1993
    Silver Ag 180 g/mt Silver Minor 1993
  • Type In-situ
    Estimate year 1984
    Indicated 1200000mt ore
    Demonstrated 1200000mt ore
    Total resources 1200000mt ore
    Commodity Subtype Grade units Group Importance Year
    Zinc Zn 12.9 wt-pct Zinc Major 1984
    Lead Pb 7.5 wt-pct Lead Major 1984
    Silver Ag 154 g/mt Silver Minor 1984
  • Type In-situ
    Estimate year 1993
    Demonstrated 3800000mt ore
    Total resources 3800000mt ore
    Commodity Subtype Grade units Group Importance Year
    Zinc Zn 12.4 wt-pct Zinc Major 1993
    Silver Ag 104 g/mt Silver Minor 1993

Comments on the reserve resource information

  • NEW MINE OPENED LATE 1985 (ZN = +23K, PB = +11K) PAH 9/87 1.0 MILLION MT AS OF 1985, ONGOING EXPLORATION
  • WILL BE CHANGING FROM OPEN PIT TO UNDERGROUND OPEN PIT ORE: 400,000 TONS; U/G 600,000 TONS. U/G DEVELOPMENT AND MINING STATED IN LATE 1986. FIRST U/G ORE MILLED IN MID87. COMPLETELY AN U/G OPERATION BY DEC 87. ONGOING EXPLORATION, RESERVES TO BE REVISED

Workings at the site

  • Type of workings Underground
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Mining Method OPEN STOPE
    Percent Recovery 90
    Capacity 140000
    Year of Information 1989

Reference information

Bibliographic references

  • Deposit

    *CRU MONITOR, LEAD, SEPT. 1992, P.8.

  • Ownership

    *CRU MONITOR, ZINC, APRIL 1994, P. 8.

  • Production

    *CRU QUARTERLY MARKET SERVICE, LEAD, JAN. 1994, P. 34.

  • Production

    *MBM, JUNE 1991, P. 33.

  • Reserve-Resource

    NICRO RESOURCES LIMITED 1985 ANNUAL REPORT; PAGE #3;

  • Reserve-Resource

    CHAIRMAN'S REPORT:

  • Reserve-Resource

    ITS ENVIRONMENT, RUM JUNGLE AREA, NORTHERN TERRITORY: THE

  • Reserve-Resource

    AUS. I.M.M. CONFERENCE, DARWIN, N.T. AUGUST 1984:BY A.TAUBE.

  • Reserve-Resource

    *MINING ANNUAL REVIEW, 1993, P. 140.

  • Reserve-Resource

    AME MINERAL ECONOMICS QUARTERLY MINE ANALYSIS, JUNE 1993,

  • Reserve-Resource

    P. 43, 48.

  • Deposit

    CRU ZINC MONITOR-AUGUST 1996

General comments

Subject category Comment text
Deposit 1994: REDUCED OUTPUT IN 1993.

Reporter information

Type Date Name Affiliation Comment
Reporter 13-SEP-1996 Difrancesco, Carl A. 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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