Prieska Cu-Zn-Pyrite Mine

Producer in Eastern Cape, South Africa with commodities Copper, Zinc, Sulfur-Pyrite, Lead
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. 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. Ownership information
  15. Production statistics
  16. Reserves and resources
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10073116
MRDS ID W018947
Record type Site
Current site name Prieska Cu-Zn-Pyrite Mine
Related records 10159176

Geographic coordinates

Geographic coordinates: 22.2849, -29.97986 (WGS84)
Relative position 50 KM W. OF TOWN OF PRIESKA

Site location context

Political divisions (FIPS codes)

Eastern Cape(province)

South Africa(country)

Africa(continent)

Land(continent)

Geographic areas

Country State
South Africa Eastern Cape

Commodities

Commodity Importance
Copper Primary
Zinc Critical Primary
Sulfur-Pyrite Secondary
Lead Secondary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Gold Ore
Hematite Ore
Ilmenite Ore
Magnetite Ore
Molybdenite Ore
Pyrite Ore
Pyrrhotite Ore
Sphalerite Ore
Apatite Gangue
Barite Gangue
Biotite Gangue
Calcite Gangue
Chlorite Gangue
Clinozoisite Gangue
Diopside Gangue
Garnet Gangue
Hornblende Gangue
Iddingsite Gangue
Microcline Gangue
Muscovite Gangue
Olivine Gangue
Quartz Gangue
Sericite Gangue
Sillimanite Gangue
Tourmaline Gangue
Zircon Gangue

Alteration

  • (Local) Regionally - Amphibolite. Wall Rock - Phyllic, Propylitic

Analytical data

Result RESV. GRADE 1.74% CU, 3.87% ZN AND ABOUT 0.1% PB

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Rock unit name Copperton Volcanic Pile Tuffs, Flows, Dacite
    Rock description Copperton Volcanic Pile Tuffs, Flows, Dacite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Dacite
  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss

Nearby scientific data

(1) 22.2849, -29.97986

Economic information

Geologic structures

Type of structure Regional
Structure description Copperton Volcanic Pile
Type of structure Local
Structure description Grassmoor Dome, Copperton Fault, Smouspan Fault

Ore body information

  • General form TABULAR
    Dip STEEP

Controls for ore emplacement

  • Syngenetic Explosive Pyroclastic Emplacement

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No
Discovery year 1968
Discoverer Anglo - Transvaal Consl. Inv. Co. Ltd.

Ownership information

  • Type Owner-Operator
    Owner Prieska Copper Mines Ltd.

Production statistics

  • Year 1976
    Material CON PYR
    Accuracy Accurate
    Description Ap_Grade: ^40 % S ? Grade Not Available
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Sulfur Sulfur 40wt-pct
  • Year 1976
    Material CON ZN
    Accuracy Accurate
    Description Ap_Grade: ^52.4 % Zn
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Minor Conc. Zinc Zinc 52wt-pct
  • Year 1976
    Material CON CU
    Accuracy Accurate
    Description Ap_Grade: ^27.1 % Cu
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Conc. Copper Copper 27wt-pct
  • Year 1976
    Material CON PB
    Accuracy Accurate
    Description Ap_Grade: ^30 % Pb ? Grade Not Available
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Conc. Lead Lead 30wt-pct
  • Year 1976
    Material ORE
    Accuracy Accurate
    Description Ap_Grade: ^3.55 % Zn, 1.12 % Cu, .1 % Pb
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Lead Lead 0wt-pct
    Ore Copper Copper 1wt-pct
    Minor Ore Zinc Zinc 4wt-pct

Reserves and resources

  • Type In-situ
    Estimate year 1977
    Total resources 48000000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 1.74 wt-pct Copper Major 1977
    Zinc Zn 3.87 wt-pct Zinc Major 1977
    Lead Pb 0.1 wt-pct Lead Minor 1977

Comments on the reserve resource information

  • PB GRADE EST BY P.G.S.
  • PB GRADE EST. BY P.G.S.

Comments on the workings information

  • SHAFT TO 804 M.

Comments on development

  • MILL.CAP: 2700 MET TONS ; ECON.YEAR: 1977 ; ECON.COM: MILL SIZE IS AN ESTIMATE FROM 1976 PRODUCTION

Reference information

Bibliographic references

  • Deposit

    STAFF, 1977, U.S. DEPT. OF STATE AIRGRAM, INDUSTRIAL OUTLOOK REPT., MINERALS; 1-31-77, P. 25 - 28, 62 - 63

  • Deposit

    MIDDLETON, R. C., 1976, THE GEOLOGY OF PRIESKA COPPER MINES LIMITED; ECON. GEOL. V. 71 P 328 - 350

  • Production

    STAFF, 1977, U.S. STATE DEPT, AIRGRAM, 1-31-77 P. 27, 28, 63

  • Reserve-Resource

    STAFF, 1977, U.S. STATE DEPT. AIRGRAM, 1-31-77 P 28. SKINNERS MININ INTL. YBK. 1975, P. 100

General comments

Subject category Comment text
Deposit MAIN OREBODY AVG. 10 M. WIDE, 2000 M. STRIKE LENGTH AND DIPS STEEPLY TO OVER 900 M. DEPTH. VOGELSTRUISBULT ANNEX OREBODY IS ALSO TABULAR, DIPPING ABOUT 45 DEG.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1977 Schruben, Paul G. U.S. Geological Survey

Beyond USGS

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