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Zeerust

Plant in South Africa with commodities Aluminum, Chromium, Iron, Magnesite, 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. Workings at the site
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10135464
MRDS ID W028401
MAS/MILS ID 7910200204
Record type Site
Current site name Zeerust
Related records 10231970, 10079231

Geographic coordinates

Point of reference Claim
Geographic coordinates: 26.25146, -25.04667 (WGS84)
Elevation 5000
Location accuracy 5000(meters)

Site location context

Political divisions (FIPS codes)

South Africa(country)

Africa(continent)

Land(continent)

Geographic areas

Country
South Africa

Commodities

Commodity Importance
Aluminum Critical Tertiary
Chromium Critical Primary
Iron Tertiary
Magnesite Tertiary
Silica Tertiary

Materials information

Materials Type of material
Chromite Unknown
Pyroxene Unknown

Nearby scientific data

Claim (1) 26.25146, -25.04667
ListMap

Economic information

Ore body information

  • Strike N45E
    Dip 04E
    Thickness 0.4M
    Length 2000M
    Width 3000M
    Depth to top 150M
    Field Value
    MAS Matrix # 2
    MAS Column # 1
    Type of Orebody #1 STRATIFORM
    Shape of Orebody #1 TABULAR
    Primary mode of Origin MAGMATIC DIFFER
    Primary Ore Control IGNEOUS
    Secondary Ore Control LITHOLOGY
    Strike And Dip N45E:04E
    Minimum Depth to Top 0
    Date of Last Modification 920724
  • Strike N45E
    Dip 04E
    Thickness 0.4M
    Length 900M
    Width 600M
    Depth to top 150M
    Field Value
    MAS Matrix # 2
    MAS Column # 2
    Type of Orebody #1 STRATIFORM
    Shape of Orebody #1 TABULAR
    Primary mode of Origin MAGMATIC DIFFER
    Primary Ore Control IGNEOUS
    Secondary Ore Control LITHOLOGY
    Strike And Dip N45E:04E
    Minimum Depth to Top 0
    Date of Last Modification 920724

Economic information about the deposit and operations

Operation type Underground
Development status Plant
Commodity type Metallic
Deposit size Medium
Significant Yes
Discovery year 1942
Mining method Open Stope - Breast Stoping
Year of first production 1950
Plant type Beneficiation (Mill)
Plant subcategory Gravity
Milling method Sizing

Mining district

District name East Bushveld Complex

Ownership information

  • Type Owner
    Owner Assoc. Ore And Metals Corp. Ltd.
    Interest 100
    Home office South Africa
    Year 1992
  • Type Operator
    Owner Zeerust Chrome Mines Ltd.
    Home office South Africa
    Year 1992

Comments on the reserve resource information

  • 1/89 INSITU DEMO. RESOURCE= UG MINEABLE TO 40 M VERT. FOR MIDDLE GROUP SEAM AND TO 210 M VERT. FOR LOWER GROUP SEAM. 76.5 %REC.
  • AVAILIBILITY STUDY ANALYZED AT 75 % PROB. LEVEL ONLY. Q MATRIX 1 IS THE ESTIMATED IN-SITU TONNAGE FOR 1988. COL 1 IS THE LOWER SEAM ORE, COL 2 IS THE MIDDLE SEAM ORE AND COL 3 IS THE COMBINED TONNAGE . Q MATRIX 2 IS THE RECOVERABLE TONNAGE. COL 1 IS THE LOWER TONNAGE, COL 2 IS THE MIDDLE SEAM. WHILE COL 3 IS THE COMBINED SEAM TONNAGE.

Workings at the site

  • Type of workings Underground
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Mining Method BREAST STOPING 10-30
    Percent Recovery 77
    Hardness of Rock HARDROCK WITH LITTLE WATER
    Rock Characteristics MULTIPLE SYSTEMS OF WEAKNESS PLANES
    Rock Support Chars. SUPPORTING
    Mine Support Chars. POST, HEADBOARD, CAPS, ROOF BOLTS
    Length of Inclines (m) 2000
    Slope of Inclines 11
    Number of Inclines 2
    1st Condition of Workings OPEN
    Capacity 482
    Capacity Units MT ORE/DAY
    Unit Production Cost 28.95
    Units of Production $/MT ORE
    Operating Days per Year 250
    Operating Shifts per Day 2
    Year of Information 1992
  • Type of workings Underground
    Field Value
    MAS Development Schedule # 1
    Mining Record # 2
    Status of Mining Method ESTIMATE
    Mining Method BREAST STOPING 10-30
    Percent Recovery 77
    Hardness of Rock HARDROCK WITH LITTLE WATER
    Rock Characteristics MULTIPLE SYSTEMS OF WEAKNESS PLANES
    Rock Support Chars. SUPPORTING
    Mine Support Chars. POST, HEADBOARD, CAPS, ROOF BOLTS
    Length of Inclines (m) 2000
    Slope of Inclines 11
    Number of Inclines 2
    1st Condition of Workings OPEN
    Capacity 38
    Capacity Units MT ORE/DAY
    Unit Production Cost 28.95
    Units of Production $/MT ORE
    Operating Days per Year 250
    Operating Shifts per Day 2
    Year of Information 1992

Comments on other economic factors

  • THE TOTAL TRANSPORT COST IN 1/89 DOLLARS IS 13.68.

Reference information

Bibliographic references

  • Deposit

    RANKIN, G. "CHROMIUM AND FERROCHROMIUM IN SOUTH AFRICA",

  • Deposit

    SAUNDERS AND TAYLOR. JOHANNESBURG. 1975.

  • Deposit

    FOURTIE, G.P. 1959. "THE CHROMITE DEPOSITS IN THE RUSTENBURG

  • Deposit

    AREA", BULL.27.SOUTH AFRICAN GEOLOGICAL SURVEY.

  • Deposit

    SAUNDERS AND TAYLOR, INC. INVESTMENT INDUSTRY REPORT.

  • Deposit

    JOHANNESBURG SOUTH AFRICA. PP 1-117.

  • Deposit

    SILK, M.H. 1988. "WORLD CHROMITE RESOURCES AND FERROCHROMIUM

  • Deposit

    PRODUCTION". MINTEK SPECIAL PUB. NO. 11 1988.

  • Deposit

    GOLDER AND ASSOC. 1981 "DEPOSIT PROFILE ZEERUST CHROME MINE

  • Deposit

    TRANSVAAL, SOUTH AFRICA. JULY 1981.

  • Deposit

    DAVIDOFF, R.L. & BOYLE E.H. JR. "NOTES FROM VISIT TO THE

  • Deposit

    REPUBLIC OF SOUTH AFRICA". SEPT 1988.

General comments

Subject category Comment text
Deposit THE WIDTH (3000 AND 600 METERS ) IS THE DIRECTION ON DIP TO THE VERTICAL DEPTH OF ANALYZED TONNAGE.

Reporter information

Type Date Name Affiliation Comment
Reporter 19-AUG-1992 Boyle, Ed 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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