Rosebery, Read, Hercules, Mt. Farrell

Producer in Tasmania, Australia with commodities Zinc, Copper, Lead, Sulfur
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Mineral occurrence model information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Ownership information
  16. Production statistics
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10073056
MRDS ID W018864
Record type Site
Current site name Rosebery, Read, Hercules, Mt. Farrell

Geographic coordinates

Geographic coordinates: 145.49847, -41.81278 (WGS84)
Relative position 112 KM SOUTH OF BURNIE, 32 KM FROM THE COAST

Site location context

Political divisions (FIPS codes)

Tasmania(province)

Australia(country)

Australia(continent)

Land(continent)

Geographic areas

Country State
Australia Tasmania

Commodities

Commodity Importance
Zinc Critical Primary
Copper Primary
Lead Primary
Sulfur Primary

Materials information

Materials Type of material
Galena Ore
Gold Ore
Sphalerite Ore
Barite Gangue
Chlorite Gangue
Pyrite Gangue
Pyrrhotite Gangue
Quartz Gangue
Sericite Gangue

Analytical data

Result ROSEBERY OREBODY AVERAGES 18% ZN, 5.5% PB, 0.8% CU, 205 G/MT AG, 3.4 G/MT AU.

Mineral occurrence model information

Model code 184
USGS model code 28a
Deposit model name Massive sulfide, kuroko
Mark3 model number 93

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff
    Rock unit name Tuffs-Quartz, Albite, Chlorite, Sericite
    Rock description Tuffs-Quartz, Albite, Chlorite, Sericite
    Stratigraphic age (youngest) Late Cambrian
    Stratigraphic age (youngest) Late Cambrian
    Stratigraphic age (youngest) Late Cambrian
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
    Rock unit name Shale-Bedded Grey Cont. Quartz, Sericite, Chlorite;Schists-Quartz, Chlorite, Sericite
    Rock description Shale-Bedded Grey Cont. Quartz, Sericite, Chlorite;Schists-Quartz, Chlorite, Sericite

Nearby scientific data

(1) 145.49847, -41.81278

Economic information

Geologic structures

Type of structure Regional
Structure description Major N-S Anticline.
Type of structure Local
Structure description Host Rock And Ore Are Highly Folded

Ore body information

  • General form CONCORDANT EN ECHELON LENSES

Controls for ore emplacement

  • Bedding Control

Economic information about the deposit and operations

Development status Producer
Commodity type Both
Deposit size Large
Significant No
Discovery year 1894
Discoverer J. Will (Hercules); 1893 Tom Mc Donald (Rosebery)
Year of first production 1900

Mining district

District name Rosebery - Williamsford - Tullah District

Ownership information

  • Type Owner-Operator
    Owner Electrolytic Zn Co. Of Australasia Ltd

Production statistics

  • Year 1952
    Period 1893-1952
    Material ORE
    Accuracy Accurate
    Description Cp_Grade: ^6 % Pb, 20 % Zn, 0.5 % Cu, 221 G Ag/Mt, 3.16 G Au/Mt
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Gold Gold 3g/mt
    Major Ore Silver Silver 221g/mt
    Trace Ore Copper Copper 1wt-pct
    Trace Ore Zinc Zinc 20wt-pct
    Ore Lead Lead 6wt-pct
  • Year 1952
    Period ????-1952
    Material ORE
    Accuracy Accurate
    Description Cp_Grade: ^Yeilding 80,000 Mt Pb Metal
  • Year 1973
    Material ORE
    Accuracy Accurate
    Description Ap_Grade: ^14.4 % Zn, Year To 6-30-73
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Ore Zinc Zinc 14wt-pct

Comments on development

  • MILL.CAP: 553 MET TONS ; ECON.YEAR: 1973 ; ECON.COM: 1515 MTPD MILL

Reference information

Bibliographic references

  • Deposit

    BRATHWAITE, R. L., 1972, THE STRUCTURE OF THE ROSEBERY ORE DEPOSIT, TASMANIA; PROC. AUST. INST. MIN. MET. NO. 241, MARCH 1972, P. 1 - 13

  • Deposit

    HALL, GRAHAM, ET AL, 1953, THE LEAD - ZINC DEPOSITS OF READ - ROSEBERY AND MT. FARRELL; PUBLS V 1 FIFTH EMPIRE MIN. & MET. CONG. P. 1145 - 1159

  • Deposit

    STAFF, 1975, SKINNERS MINING INTL. YBK. P. 225 - 226

  • Production

    SKINNER'S MINING INTL. YBK. 1975, P. 225. E/MJ INTL. DIRECTORY 1975, P. - HALL, GRAHM ET AL, 1953, 5TH EMP. MINING AND METALL. CONG. P. 1147

  • Reserve-Resource

    SKINNER'S MINING INTL. YBK. 1975, P. 226.

General comments

Subject category Comment text
Deposit ROSEBERY - 1370 M LONG, 470 M DEPTH ALONG DIP (PROVEN). STRIKE 340 DEG, DIP 45 DEG E. INDIVIDUAL LODES UP TO 150 M LONG, 1.5 TO 18 M THICK. HERCULESE ORE LODES UP TO 120 M DEEP, 60 M LONG, 18 M THICK. MT. FARRELL MINE: LENTICULAR SHOOTS USUALLY LESS THAN 60 M LONG AVERAGING 1 TO 1.2 M THICK WITH A PITCH LENGTH OF 120 M OR MORE.

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.