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  3. Mineral Resource Data System (MRDS)

Nchwaning

Producer in South Africa with commodities Iron, Manganese, Phosphorus-Phosphates, Silica
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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. Mining district
  11. Ownership information
  12. Reserves and resources
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10305141
MAS/MILS ID 7910050068
Record type Site
Current site name Nchwaning

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: 22.83482, -27.16332 (WGS84)
Elevation 1200

Site location context

Political divisions (FIPS codes)

South Africa(country)

Africa(continent)

Land(continent)

Geographic areas

Country
South Africa

Commodities

Commodity Importance
Iron Tertiary
Manganese Critical Primary
Phosphorus-Phosphates Tertiary
Silica Tertiary

Materials information

Materials Type of material
Bixbyite Unknown
Braunite Unknown
Cryptomalene Unknown
Hausmanite Unknown

Nearby scientific data

Ore Body (1) 22.83482, -27.16332
ListMap

Economic information

Ore body information

  • Thickness 10M
    Depth to top 450M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 SEDIMENTARY
    Shape of Orebody #1 TABULAR
    Primary mode of Origin SEDIMENTATION
    Primary Ore Control BEDDING
    Date of Last Modification 900425

Economic information about the deposit and operations

Operation type Underground
Development status Producer
Commodity type Both
Significant Yes
Discovery year 1950
Year of first production 1970
Milling method Washing

Mining district

District name Kalahari Field; Kuruman District

Ownership information

  • Type Owner-Operator
    Owner Associated Manganese Mines Of South Africa, Ltd. (Ammosal)
    Interest 100
    Home office South Africa
    Year 1981

Reserves and resources

  • Type In-situ
    Estimate year 1988
    Indicated 100000000mt ore
    Demonstrated 100000000mt ore
    Total resources 100000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Manganese Mn 48 wt-pct Manganese Major 1988
    Phosphorus-Phosphates P 0.04 wt-pct Phosphorus Trace 1988
    Iron Fe 13 wt-pct Iron Trace 1988
    Silica SiO2 4 wt-pct Silica Trace 1988

Comments on the reserve resource information

  • MINE WAS VISITED JULY 1988.
  • ADAPTED AND UPDATED(1/89) FROM TALJAARDT, 1982.

Workings at the site

  • Type of workings Underground
    Overall depth 455M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Mining Method ROOM AND PILLAR 10-34
    Percent Waste Rock 10
    Percent Recovery 70
    Hardness of Rock HARDROCK WITH LITTLE WATER
    Rock Characteristics NO PLANES OF WEAKNESS
    Rock Support Chars. SUPPORTING
    Number of Shafts 1
    Length of Inclines (m) 1680
    Slope of Inclines 15
    Number of Inclines 1
    Capacity 4800
    Capacity Units MT ORE/DAY
    Operating Days per Year 300
    Year of Information 1988

Reference information

Bibliographic references

  • Deposit

    ASSOCIATED MANGANESE MINES OF SOUTH AFRICA(AMMOSOL).

  • Deposit

    VARIOUS ANNUAL REPORTS AND BROCHURES.

  • Deposit

    BOARDMAN, L.G. FURTHER GEOLOGICAL DATA ON THE POSTMASBURG

  • Deposit

    AND KURUMAN MANGANESE ORE DEPOSITS, NORTHERN CAPE PRO-

  • Deposit

    -VINCE. (IN) GEOLOGY OF SOME ORE DEPOSITS IN SOUTHERN

  • Deposit

    AFRRICA, V. 2. GEOL. SURV. OF SOUTH AFRICA. 1964,

  • Deposit

    PP. 415 -440.

  • Deposit

    DEVILLIERS, JOHN. MANGANESE DEPOSITS OF THE UNION OF SOUTH

  • Deposit

    AFRICA. GEOL. SURV. OF SOUTH AFRICA HANDBOOK NO. 2.

  • Deposit

    1960, 248 PP.

  • Deposit

    DEVILLIERS, P.R. THE GEOLOGY AND MINERALOGY OF THE KALAHARI

  • Deposit

    MANGANESE FIELD, NORTH OF SISHEN, CAPE PROVINCE. GEOL.

  • Deposit

    SURV. OF SOUTH AFRICA MEMOIR 59. 1970, 58 PP.

  • Deposit

    DUKE, V.W.A.(COMPILER). MANGANESE, A MINERAL COMMODITY RE-

  • Deposit

    -VIEW. SOUTH AFRICA DEPT. OF MINES, MINERALS BUREAU

  • Deposit

    INTERNAL REPORT NO. 53. 1979, PP. 90-113.

  • Deposit

    FRANKEL, J.J. MANGANESE ORES FROM THE KURUMAN DISTRICT, UP-

  • Deposit

    -PER CAPE PROVINCE. SOUTH AFRICA ECON. GEOL. V. 53,

  • Deposit

    1958, PP. 577-597.

  • Deposit

    HAMMERBECK, E.C.I. AND J.J. TALJAARDT. MANGANESE.(IN) MAIN-

  • Deposit

    ERAL RESOURCES OF THE REPUBLIC OF SOUTH AFRICA. HAND-

  • Deposit

    BOOK NO. U.(C.B. COETZEE, ED.). PRETORIA, 1976,

  • Deposit

    PP. 167-172.

  • Deposit

    NATIONAL MATERIALS ADVISORY BOARD. NATIONAL ACADAMEY OF SC-

  • Deposit

    -ENCE-NATIONAL RESEARCH COUNAIL. MANGANESE RESOURCES OF

  • Deposit

    THE WORLD AND THEIR INDUSTRIAL IMPLICATIONS. NMAB-374

  • Deposit

    WASHINGTON D.C. 1981, PP. 186-200.

  • Deposit

    PELLETIER, R.A. MINERAL RESOURCES OF SOUTH-CENTRAL AFRICA.

  • Deposit

    OXFORD UNIVERSITY PRESS, LONDON. 1964, P. 98

  • Deposit

    STREIDER, PETER. SOUTH AFRICA'S ROLE IN WORLD MANGANESE.

  • Deposit

    PRES. AT SOUTHERN AFRICAN METALS AND MINERALS CONFER-

  • Deposit

    ENCE. JOHANNESBURG, MAY 12, 1981, 15 PP.

  • Deposit

    TALJAARDT,J.J. MAJOR MANGANESE FIELDS, REPUBLIC OF SOUTH

  • Deposit

    AFRICA. JOHANNESBURG, NOV. 1979, UPDATED NOV. 1982.

  • Deposit

    U.S. DEPT. OF STATE SOUTH AFRICA'S MANGANESE SECTOR. AIR-

  • Deposit

    -GRAM A-30. JOHANNESBURG, APR. 30, 1982, 53 PP.

General comments

Subject category Comment text
Deposit ACCESS IS BY SHAFT AND DECLINE; ORE IS HOISTED THROUGH THE SHAFT, AND THE DECLINE IS USED FOR TRANSPORT OF PERS- -SONEL AND MATERIALS. AS WELL AS A WASHING PLANT, THERE IS A SORTING SECTION OF FIVE BELTS FOR HANDPICKING WASTE FROM GENERALLY MINUS 125MM PLUS 50MM MATERIAL.

Reporter information

Type Date Name Affiliation Comment
Reporter 05-JUN-1991 Coffman, Joe 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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