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Marico District Fluorspar Mines

Producer in South Africa with commodities Fluorine-Fluorite, Lead, Zinc, Iron, Dolomite, Quartz
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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. 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. Reserves and resources
  17. Links to other databases
  18. Bibliographic references
  19. Reporter information

Geologic information

Identification information

Deposit ID 10069465
MRDS ID W007004
Record type Site
Current site name Marico District Fluorspar Mines

Geographic coordinates

Geographic coordinates: 26.10147, -25.74664 (WGS84)
Elevation 1500
Relative position 20 KM. SOUTH OF ZEERUST

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
Lead Secondary
Zinc Critical Secondary
Iron Tertiary
Dolomite Tertiary
Quartz Tertiary

Materials information

Materials Type of material
Fluorite Ore
Calcite Gangue
Chalcopyrite Gangue
Dolomite Gangue
Graphite Gangue
Pyrite Gangue
Pyrrhotite Gangue
Quartz Gangue
Talc Gangue
Tremolite Gangue
Vanadinite Gangue

Alteration

  • (Local) Silicification (Talc Zone, Tremolite Zone)

Analytical data

Result RESERVES: CAF2 - 15% AVERAGE. SOME LENSES OF NEARLY PURE FLUORSPAR HAVE BEEN FOUND

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Dolomite
    Rock unit name Dolomite
    Rock description Dolomite

Nearby scientific data

(1) 26.10147, -25.74664
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Bushveld Igneous Complex

Ore body information

  • General form TABULAR

Controls for ore emplacement

  • Porosity Of Dolomite Especially Vuggy Horizons And Old Karst Cavities. On A Larger Scale, Mineralization Coincides With A Paleoridge Of Dolomite Which May Have Acted As A Trap.

Economic information about the deposit and operations

Development status Producer
Commodity type Both
Deposit size Large
Significant No
Year of first production 1917

Mining district

District name Marico District

Ownership information

  • Type Owner-Operator
    Owner Marico Fluorspar Ltd. (U. S. Steel)

Reserves and resources

  • Type Milling
    Estimate year 1974
    Total resources 125000000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Fluorine-Fluorite CaF2 15 wt-pct Fluorine Major 1974

Reference information

Bibliographic references

  • Deposit

    MARTINI, J., 1975, THE FLUORITE DEPOSITS IN THE DOLOMITE SERIES OF THE MARICO DISTRICT, TRANSVAAL, SOUTH AFRICA: TO BE PUBLISHED IN ECON GEOL.

  • Deposit

    CHERMETTE, A, 1964, LE SPATH-FLUOR EN AFRIQUE DU SUD: MINES ET METALLURGIE, APRIL TO SEPTEMBER 1964.

  • Production

    CHERMETTE, A, 1964, LE SPATH-FLUOR: P. 13. MARTINI, J., 1975, FLUORITE OF MARICO, P. 1

  • Reserve-Resource

    MARTINI, J., 1975, FLUORITE OF MARICO DIST. P. 1

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-75 Schruben, Paul G. U.S. Geological Survey SOURCES & UPGRADES EDITS
Editor 01-AUG-75 Beougher, Dee (Spanski, Gregory T.) U.S. Geological Survey

Beyond USGS

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

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