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Orange River Belt East

Producer in Eastern Cape, South Africa with commodities Tungsten, Tin
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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. Geologic structures
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Ownership information
  12. Production statistics
  13. Reserves and resources
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10106694
MRDS ID DE00296
Record type Site
Current site name Orange River Belt East

Geographic coordinates

Geographic coordinates: 20.50156, -28.52993 (WGS84)
Relative position CENTROID: 10 KM

Site location context

Political divisions (FIPS codes)

Eastern Cape(province)

South Africa(country)

Africa(continent)

Land(continent)

Geographic areas

Country State
South Africa Eastern Cape

Comments on the location information

  • DISTRICT EXTENDS MARGINALLY, IN THE WEST, INTO SOUTH WEST AFRICA/NAMIBIA.

Commodities

Commodity Importance
Tungsten Critical Primary
Tin Critical Primary

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
    Rock unit name Toeslaan;Grunau;Keimoes Suite
    Rock description Toeslaan;Grunau;Keimoes Suite

Nearby scientific data

(1) 20.50156, -28.52993
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Ultrametamorphic/Plutonic

Ore body information

  • Depth to top 5M

Comments on the geologic information

  • MAJOR POST-ORE GEOLOGIC EVENT: JOINTING. PRINCIPAL MINERAL ASSEMBLAGES: SCLT + WLFM + CSTR + MLBD + QRTZ + TRML + FLRT: WLFM + SCLT + QRTZ:WLFM + SCLT + QRTZ + ARPR + SLMN. MINERALIZATION PROBABLY GENETICALLY RELATED TO REGIONAL ULTRAMETAMORPHISM AND PEGMATITE GRANITE DEVELOMENT. EXTREME VARIATION IN WIDTH AND LENGTH OF VEINS. OVER 20 WIDELY SCATTERED DEPOSITS/OCCURRENCES IN DISTRICT.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No
Discovery year 1938
Year of first production 1938
Year of last production 1970

Ownership information

  • Type Operator
    Owner Van Rooi'S Vley Deposit - Associated Tungsten Mines
  • Type Owner
    Owner Van Rooi'S Vley Deposit - Shell South Africa (Pty) Ltd.

Production statistics

  • Year 1939
    Material CON
    Accuracy Estimate
    Description Ap_Grade: ^65% Wo3
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    WO3 Conc. Tungsten Tungsten 65wt-pct
  • Year 1943
    Material CON
    Accuracy Estimate
    Description Ap_Grade: ^65% Wo3
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    WO3 Conc. Tungsten Tungsten 65wt-pct
  • Year 1945
    Material CON
    Accuracy Estimate
    Description Ap_Grade: ^65% Wo3
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    WO3 Conc. Tungsten Tungsten 65wt-pct
  • Year 1957
    Material CON
    Accuracy Estimate
    Description Ap_Grade: ^65% Wo3
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    WO3 Conc. Tungsten Tungsten 65wt-pct
  • Year 1958
    Material CON
    Accuracy Estimate
    Description Ap_Grade: ^65% Wo3
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    WO3 Conc. Tungsten Tungsten 65wt-pct
  • Year 1959
    Material CON
    Accuracy Estimate
    Description Ap_Grade: ^65% Wo3
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    WO3 Conc. Tungsten Tungsten 65wt-pct
  • Year 1960
    Material CON
    Accuracy Estimate
    Description Ap_Grade: ^65% Wo3
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    WO3 Conc. Tungsten Tungsten 65wt-pct
  • Year 1966
    Material CON
    Accuracy Estimate
    Description Ap_Grade: ^65% Wo3
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    WO3 Conc. Tungsten Tungsten 65wt-pct
  • Year 1967
    Material CON
    Accuracy Estimate
    Description Ap_Grade: ^65% Wo3
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    WO3 Conc. Tungsten Tungsten 65wt-pct
  • Year 1968
    Material CON
    Accuracy Estimate
    Description Ap_Grade: ^65% Wo3
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    WO3 Conc. Tungsten Tungsten 65wt-pct
  • Year 1969
    Material CON
    Accuracy Estimate
    Description Ap_Grade: ^65% Wo3
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    WO3 Conc. Tungsten Tungsten 65wt-pct
  • Year 1970
    Material CON
    Accuracy Estimate
    Description Ap_Grade: ^65% Wo3
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    WO3 Conc. Tungsten Tungsten 65wt-pct

Comments on the production information

  • ANN ITEM 1: COLLINSKOP; ITEM 2: VAN ROOI'S VLEY; ITEM 3: MCTAGGARTS CAMP. ANNUAL ITEMS 4-7 AND ITEMS 8-12 WERE REPORTED AS AN AVERAGE. CUM ITEM 1: REFERS TO KYSONSKLIP MINE - VERBAL COMMUNICATION FROM OWNER AND PAST OPERATOR. CUM ITEM 2: REFERS TO VAN ROOI'S VLEY MINE - FIGURE NOT REPORTED BUT BASED ON REPORTED APPROXIMATE AVERAGE MONTHLY PRODUCTION AND ESTIMATED YEARS OF PRODUCTION.

Reserves and resources

  • Type In-situ
    Estimate year 1984
    Total resources 25000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Tungsten Wo3 0.38 wt-pct Tungsten Major 1984

Comments on the reserve resource information

  • REFERS TO VAN ROOI'S VLEY DEPOSIT.

Workings at the site

  • Type of workings Surface/Underground
    Area 270000HA

Comments on development

  • ACTIVE DEVELOPMENT IN MINE: NO. ACTIVE EXPLORATION IN DISTRICT: YES. TYPE OF EXPLORATION: GEOLOGICAL INFERENCE: DETAILED FEASIBILITY STUDIES. ASSESSMENT (FOR OPERATING MINES, FUTURE PRODUCTION OUTLOOK AND DEPLETION OUTLOOK; FOR OTHER DEPOSITS, PROSPECTS FOR MINING): MODERATE TO SHORT TERM PRODUCER ON A MODERATE TO SMALL SCALE. COMMODITY COMMENTS: WOLFRAMITE AND SCHEELITE GENERALLY OCCUR IN ROUGHLY EQUAL AMOUNTS. TIN ORE IS PRESENT ONLY LOCALLY.

Reference information

Bibliographic references

  • Deposit

    SOUTH AFRICAN COMMITTEE FOR STRATIGRAPHY (SACS), 1980, HANDBOOK GEOLOGICAL SURVEY OF SOUTH AFRICA, NO. 8, P. 261-267; P. 307-313. BEST RECENT SUMMARY OF REGIONAL GEOLOGY.

  • Deposit

    VON BACKSTROM, J.M., 1950, GEOLOGICAL SOCIETY OF SOUTH AFRICA TRANSACTIONS, VOL. 53, P. 35-51.

  • Deposit

    VON BACKSTROM, J.M., 1967, SOUTH AFRICAN GEOLOGICAL SURVEY ANNALS, NO. 6, P. 43-51.

  • Deposit

    COETZEE, C.B., (ED.), 1976, MINERAL RESOURCES OF THE REPUBLIC OF SOUTH AFRICA: FIFTH EDITION, REPUBLIC OF SOUTH AFRICA, GEOLOGICAL SURVEY, HANDBOOK, 7.

  • Deposit

    NICOLAYSEN, L.O. AND BURGER, A.J., 1965, SCIENCE DE LA TERRE, VOL. 10, P. 497-516.

  • Deposit

    DE BEER, L.J., FRIGGENS, P.J. AND WHEATLEY, C.J.V., 1984, ABSTRACTS OF THE PRECAMBRIAN RESEARCH UNIT CONFERENCE ON MIDDLE TO LATE PROTEROZOIC LITHOSPHERE EVOLUTION, CAPE TOWN, P. 65.

  • Production

    UNPUBLISHED GOVERNMENT MINING ENGINEER REPORTS

General comments

Subject category Comment text
Deposit DEPTH OF UNCONSOLIDATED COVER: 0-5 M. PRODUCT UPGRADED BEFORE EXPORT: CONCENTRATE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1984 Bowles, Michael Geological Survey of South Africa

Beyond USGS

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

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