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  3. Mineral Resource Data System (MRDS)

Kruidfontein

Prospect in South Africa with commodity Fluorine-Fluorite
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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. Nearby scientific data
  8. Ore body information
  9. Economic information about the deposit and operations
  10. Mineral rights holdings
  11. Ownership information
  12. Workings at the site
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10255789
MAS/MILS ID 7910200191
Record type Site
Current site name Kruidfontein

Geographic coordinates

Geographic coordinates: 27.50144, -25.16336 (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

Materials information

Materials Type of material
Fluorite Unknown

Nearby scientific data

(1) 27.50144, -25.16336
ListMap

Economic information

Ore body information

  • Depth to top 10M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 FISSURE VEIN
    Shape of Orebody #1 LENTICULAR
    Primary mode of Origin CONT METASOMATIC
    Primary Ore Control IGNEOUS
    Type of Wallrock Alter. #1 CARBONATE SILIC
    Minimum Depth to Top 0
    Date of Last Modification 850827

Economic information about the deposit and operations

Operation type Surface
Development status Prospect
Commodity type Non-metallic
Significant No
Discovery year 1909

Mineral rights holdings

Type of mineral rights Private Lease

Ownership information

  • Type Owner-Operator
    Owner Southern Sphere Mining And Dev.
    Interest 100
    Home office California
    Year 1982

Comments on the production information

  • NO PRODUCTION YET FROM THIS MINE

Comments on the reserve resource information

  • Q1C1 = Q9C4 FROM SOUTHERN SPHERE MINING- ESTIMATED FULL EXTENT OF THE DEPOSIT IS NOT YET KNOWN.

Workings at the site

  • Type of workings Surface
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method OPEN PIT
    Avg. Overburden Thickness 10
    Capacity 4000
    Capacity Units MT ORE/DAY
    Unit Production Cost 4.3
    Units of Production $/MT ORE
    Operating Days per Year 307
    Operating Shifts per Day 2
    Year of Information 1982

Comments on the workings information

  • WATER COMES FROM THE CROCIDILE RIVER.

Comments on other economic factors

  • 350 DPY AND 3 SPD WAS ASSUMED- IT WAS STATED THAT THE MILL WOULD BE RUNNING CONTINUOUSLY. PRODUCT, CONC., FEEDS, YIELDS, & SURFACE SCHEDULES ARE ALL ESTIMATES BASED UPON SIMILAIR MINES AND THE WITKOP MILL.

Reference information

Bibliographic references

  • Geology

    PERSONAL CORRESPONDENCE- R.G. MONTGOMERY, 1982

  • Reserve-Resource

    SOUTHERN SPHERE MINING AND DEV. CO. DATA

General comments

Subject category Comment text
Deposit DATA CONTAINED IN THIS FILE WAS COLLECTED BY DAMES & MOORE UNDER U.S. BUREAU OF MINES CONTRACT #JO225010 IN 1983.

Reporter information

Type Date Name Affiliation Comment
Reporter 27-AUG-1985 Kilgore, Catherine C. U.S. Bureau of Mines

Beyond USGS

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

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