Piet Retief Witkop 507

Prospect in South Africa with commodities Beryllium, Niobium (Columbium)
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. Reserves and resources
  9. Links to other databases
  10. Bibliographic references
  11. General comments
  12. Reporter information

Geologic information

Identification information

Deposit ID 10256381
MRDS ID D000290
MAS/MILS ID 7910200131
Record type Site
Current site name Piet Retief Witkop 507
Related records 10008279

Geographic coordinates

Geographic coordinates: 30.73473, -26.99653 (WGS84)

Site location context

Political divisions (FIPS codes)

South Africa(country)

Africa(continent)

Land(continent)

Geographic areas

Country
South Africa

Commodities

Commodity Importance
Beryllium Critical Tertiary
Niobium (Columbium) Critical Tertiary

Nearby scientific data

(1) 30.73473, -26.99653

Economic information

Economic information about the deposit and operations

Operation type Surface
Development status Prospect
Commodity type Metallic
Significant Yes

Reserves and resources

  • Type In-situ
    Estimate year 1976
    Indicated 3000000mt ore
    Demonstrated 3000000mt ore
    Total resources 3000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Beryllium Be 0.013 wt-pct Beryllium Trace 1976
    Niobium (Columbium) Cb2O5 0.03 wt-pct Niobium (Columbium) Trace 1976

Comments on the reserve resource information

  • ROUGH CALCULATION FOR TONNAGE BASED UPON 2 BOREHOLES TO A DEPTH OF 90 M. PEGMATITE AVERAGES 0.25% BERYL AND 0.03% COLUMBITE.

Reference information

Bibliographic references

  • Deposit

    COETZEE,C.B.,ED. MINERAL RESOURCES OF THE REPUBLIC OF SOUTH

  • Deposit

    AFRICA. HANDBOOK NO.7, 5TH ED. GEOL.SURV. OF S.A.,

  • Deposit

    PRETORIA, 1976, P.195.

General comments

Subject category Comment text
Deposit LOCATED ON FARM WITKOP 507 IT FARM, 15 KM W OF PIET RETIEF. PRIOR TO 1963: 29,000 MT ORE HAND-COBBED TO RECOVER 97 MT BERYL AND 3 MT COLUMBITE. JULY 1963-JUNE 1964: 12,000 MT MINED TO PRODUCE 25 MT BERYL AND 130 KG OF COLUMBITE. QUARRY IS 60 M LONG, 20 M WIDE, & 18 M.DEEP.

Reporter information

Type Date Name Affiliation Comment
Reporter 13-JUN-1996 Boyle, Ed U.S. Bureau of Mines

Beyond USGS

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