Gumbu Graphite Mine

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

Geologic information

Identification information

Deposit ID 10024368
MRDS ID ISM0078
Record type Site
Current site name Gumbu Graphite Mine

Geographic coordinates

Geographic coordinates: 30.66805, -22.31344 (WGS84)

Site location context

Political divisions (FIPS codes)

South Africa(country)

Africa(continent)

Land(continent)

Geographic areas

Country
South Africa

Comments on the location information

  • 91 KM EAST OF MESSINA AND 1.3 KM SOUTH OF LIMPOPO RIVER. 80 KM NE OF SIBASA. TOTALLY WITHIN CONFINES OF VENDA

Commodities

Commodity Importance
Graphite Critical Primary

Comments on the commodity information

  • GRAPHITE (CRYSTALLINE, FLAKE)

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Marble
  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
    Rock unit name Beit Bridge Complex;Sand River Gneiss;Gumbu Group
    Rock description Beit Bridge Complex;Sand River Gneiss;Gumbu Group

Nearby scientific data

(1) 30.66805, -22.31344

Economic information

Comments on the ore body information

  • Depth_to_top is minimal

Comments on the geologic information

  • NIL; GRAPHITE, QUARTZ, GARNET, CORDIERITE, BIOTITE, SILLIMANITE; ORE COMPRISES TWO ZONES OF HIGHLY FOLDED GRAPHITIC GNEISS INTERLAYERED WITH GARNET-GRAPHITE GNEISS, GRANITIC GNEISS, MARBLE AND CALC-SILICATE ROCKS. AVERAGE DIP IS 70 TO 80 DEG S. MAIN BAND IS 15 TO 20 M THICK, LENTICULAR. AVERAGE GRAPHITE CONTENT ABOUT 30 %. FORMED BY REGIONAL METAMORPHISM OF CARBONACEOUS SEDIMENTS

Economic information about the deposit and operations

Development status Producer
Commodity type Non-metallic
Significant No
Discovery year 1942
Year of first production 1942
Year of last production 1978

Mining district

District name Sibasa

Ownership information

  • Type Owner-Operator
    Owner Sa Graphite Mining (Pty) Ltd.

Comments on the production information

  • NOT PRODUCING AT PRESENT. CAPACITY UNKNOWN, WHEN IN PRODUCTION ABOUT 45 TONS PER MONTH OUTPUT (3 GRADES) NIL SEE FOR MALONGA MINE

Comments on development

  • NON-GEOLOGIC CONSTRAINTS ON DEVELOPMENT OR EXPANSION IN 1-5 YRS. (). DEVELOPMENT(NO); EXPLORATION(NO); ASSESSMENT(CONSIDERED TO HAVE FAIRLY GOOD POTENTIAL); CONCENTRATES PRODUCED CONTAINED AVERAGE 75 % C. GRADES PRODUCED ACCORDING TO SIZED PARTICLES, WITH LARGEST FLAKES HAVING 84 % C

Reference information

Bibliographic references

  • Deposit

    MINERAL RESOURCES OF THE RSA, 5TH. EDITION, GEOLOGICAL SURVEY OF SOUTH AFRICA

  • Deposit

    WILKE, D.P., 1969: GRAFIETAFSETTINGS NOORD VAN DIE SOUTPANSBERG, TRANSVAAL. BULL. GEOL. SURV. SOUTH AFRICA, 51

General comments

Subject category Comment text
Deposit THIS RECORD WAS COMPILED FOR THE INTERNATIONAL STRATEGIC MINERALS INVENTORY. THE DATA WERE USED IN PREPARATION OF THE USGS CIRCULAR 930 SERIES OF REPORTS. MINERAL RESOURCE CATEGORIES AND CODES HEREIN ARE FROM THE INTERNATIONAL CLASSIFICATION SYSTEM RECOMMENDED BY THE UNITED NATIONS GROUP OF EXPERTS ON DEFINITIONS AND TERMINOLOGY FOR MINERAL RESOURCES. (SEE NATIONAL RESOURCES FORUM, V. 4, NO. 3, P. 307-313.). UNDERGROUND MINIMAL YES

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1984 Goldberg, Jan Minerals Bureau of South Africa

Beyond USGS

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