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  3. Mineral Resource Data System (MRDS)

North Broken Hill Mine

Producer in New South Wales, Australia with commodities Zinc, Lead, Silver, Gold
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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. Alteration
  8. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Ownership information
  17. Production statistics
  18. Workings at the site
  19. Links to other databases
  20. Bibliographic references
  21. Reporter information

Geologic information

Identification information

Deposit ID 10073050
MRDS ID W018856
Record type Site
Current site name North Broken Hill Mine

Geographic coordinates

Geographic coordinates: 141.44873, -31.99621 (WGS84)
Relative position ADJACENT EAST OF CITY OF BROKEN HILL. 450 KM BY RAIL NE OF PORT PIRIE

Site location context

Political divisions (FIPS codes)

New South Wales(province)

Australia(country)

Australia(continent)

Land(continent)

Geographic areas

Country State
Australia New South Wales

Commodities

Commodity Importance
Zinc Critical Primary
Lead Primary
Silver Primary
Gold Secondary

Materials information

Materials Type of material
Galena Ore
Gold Ore
Pyrargyrite Ore
Silver Ore
Sphalerite Ore
Tetrahedrite Ore
Calcite Gangue
Feldspar Gangue
Fluorite Gangue
Garnet Gangue
Hedenbergite Gangue
Quartz Gangue
Rhodonite Gangue

Alteration

  • (Local) Oxidation Of Ore Up To 900 M Depth

Analytical data

Result RESERVES GRADE 12.6% PB - ZN COMBINED. 1974 PRODUCTION GRADED 12.5 % PB, 9.4% ZN, 212 G/MT AG.

Mineral occurrence model information

Model code 208
USGS model code 31a
Deposit model name Sedimentary exhalative Zn-Pb
Mark3 model number 13

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
    Rock unit name Gneisses, Amphibolite, Granite, B.I.F
    Rock description Gneisses, Amphibolite, Granite, B.I.F
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Sedimentary Rock > Chemical Sediment > Iron Formation

Nearby scientific data

(1) 141.44873, -31.99621
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description British Fault, Globe Vauxhall Fault, Hanging Wall Basin, Broken Hill Anticline, Basin, Assoc. Drag Folds

Ore body information

  • General form CONCORDANT LENSES
    Dip 75 DEG NW
    Plunge N

Controls for ore emplacement

  • Ore Is In Folds, Parallel To Bedding

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Large
Significant No
Discovery year 1883
Discoverer Charles Rasp
Year of first production 1885

Mining district

District name Broken Hill Dist.

Ownership information

  • Type Owner-Operator
    Owner North Broken Hill Ltd

Production statistics

  • Year 1973
    Material CONC-PB
    Accuracy Accurate
    Description Ap_Grade: ^67 % Pb, 1091.6 G Ag/Mt
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Conc. Silver Silver 1092g/mt
    Major Conc. Lead Lead 67wt-pct
  • Year 1973
    Material CONC-ZN
    Accuracy Accurate
    Description Ap_Grade: ^53 % Zn
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Conc. Zinc Zinc 53wt-pct
  • Year 1974
    Material ORE
    Accuracy Accurate
    Description Ap_Grade: ^12.5 % Pb, 9.4 % Zn, 212 G/Mt Ag
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Silver Silver 212g/mt
    Major Ore Zinc Zinc 9wt-pct
    Major Ore Lead Lead 13wt-pct

Workings at the site

  • Type of workings Underground
    Overall depth 981M

Comments on development

  • MILL.CAP: 1059 MET TONS ; ECON.YEAR: 1973 ; ECON.COM: 2900 MTPD MILL

Reference information

Bibliographic references

  • Deposit

    HENDERSON, Q. J., 1953, NORTH BROKEN HILL MINE; IN EDWARDS, A. B. ED., GEOL OF AUST. ORE DEP., 5TH EMP. MIN. METALL. CONG., V1 P. 627 - 649

  • Deposit

    STAFF, 1975, ENGINEERING AND MINING JOUR. 10 - 75 P. 17

  • Deposit

    STAFF, 1975, SKINNERS MINING INTL. YBK. P. 421

  • Production

    SKINNER'S MINING INTL. YBK. 1975, P. 421. E/MJ 10-75, P. 17

  • Reserve-Resource

    SKINNER'S MINING INTL. YBK. 1975 P. 421. E/MJ INTL. DIRECTORY 1976 P. 214

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1976 Schruben, Paul G. U.S. Geological Survey

Beyond USGS

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

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