Zwartkloof

Producer in South Africa with commodity Fluorine-Fluorite
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Nearby scientific data
  7. Economic information about the deposit and operations
  8. Ownership information
  9. Reserves and resources
  10. Links to other databases
  11. Bibliographic references
  12. General comments
  13. Reporter information

Geologic information

Identification information

Deposit ID 10135050
MRDS ID W007005
MAS/MILS ID 7910200166
Record type Site
Current site name Zwartkloof
Related records 10069466

Geographic coordinates

Geographic coordinates: 28.18473, -24.86336 (WGS84)

Site location context

Political divisions (FIPS codes)

South Africa(country)

Africa(continent)

Land(continent)

Geographic areas

Country
South Africa

Commodities

Commodity Importance
Fluorine-Fluorite Critical Primary

Nearby scientific data

(1) 28.18473, -24.86336

Economic information

Economic information about the deposit and operations

Operation type Surface
Development status Producer
Commodity type Non-metallic
Deposit size Large
Significant No

Ownership information

  • Type Operator
    Owner Zwartkloof Fluorspar Ltd.
    Home office South Africa
  • Type Owner
    Owner Goldfields Mining And Development Ltd.
    Interest 100
    Home office South Africa

Reserves and resources

  • Type In-situ
    Estimate year 1972
    Measured 7000000mt ore
    Demonstrated 7000000mt ore
    Total resources 7000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Fluorine-Fluorite CaF2 15 wt-pct Fluorine Major 1972

Comments on the reserve resource information

  • RESERVE GIVEN IN 1972 AS "SMALL DEPOSIT"IN ONE PLACE AND AS 7,000,000 MT OF 13-17%CAF2 ANKERITE WITH A LITTLE AL2O3.

Reference information

Bibliographic references

  • Deposit

    BATTELLE INSTITUTE.WORLD MARKET FOR FLUORINE MINERALS AND

  • Deposit

    CHEMICALS.JUNE 1973.GENEVA,SWITZ.PP.A93,A-99.

  • Deposit

    LIST OF OPERATING MINING CONCERNS IN THE REPUBLIC OF S.

  • Deposit

    AFRICA AS RECORDED BY THE GOVT.MINING ENGINEER ON THE

  • Deposit

    1ST JAN.,1976.GOVT.MINING ENGINEER.BOX 1132.JOHANNES-

  • Deposit

    BURG.1977.P.31.

  • Deposit

    DMA SERIES 1501.SHEET SG35-3.

General comments

Subject category Comment text
Deposit LOCATED ON ZWARTKLOOF NO.470 KR FARM.CO-ORDINATES ARE FROM 1976 LIST OF OPERATING MINING CONCERNS AND ARE OF A POINT 15 KM NW OF WARMBATHS. LISTED AS PRODUCER IN 1972&1976. OPERATION BEGAN IN 1970. IN 1972 WAS PRODUCING 27,200 MTPY ACID GRADE(97%CAF2) WITH 18,140 MTPY IN FILTER CAKE(95%CAF2&FE). HEAVY MEDIA-FLOTATION PLANT(TOTAL RECOV.75%). SALES VIA MERCHANTS OR DIRECTLY TO CUSTOMER.PRODUCTION WAS CERTAIN UP TO 1975(UNDER CONTRACTS TO THAT TIME).

Reporter information

Type Date Name Affiliation Comment
Reporter 21-OCT-1983 Boyle, Ed U.S. Bureau of Mines

Beyond USGS

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