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Marico Surface

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

Geologic information

Identification information

Deposit ID 10158632
MAS/MILS ID 7910200046
Record type Site
Current site name Marico Surface
Alternate or previous names Marico Mine, Nietverdiend Chromite Mine

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: 26.30146, -24.96338 (WGS84)
Elevation 1000
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

South Africa(country)

Africa(continent)

Land(continent)

Geographic areas

Country
South Africa

Comments on the location information

  • LOCATED 58 KM NNE OF ZEERUST. PROPERTY COVERS 4 FARMS (LEASES): GOUDINI 30JP, ALLEWYNSPORT 29JP, DREIKOP 14JP AND STRYDFOWTEIN 12JP. NEW PLANT UNDER CONSTRUCTION IN 1976 TOPRODUCE A LOW SILICA CONCENTRATE FROM ORE(SIO2 CONTENT OF ORE IS 7%).CAPACITY WHEN NEW PLANT COMES ON STREAM TO BE 80,000 MTPY(100% OF PRODUCTION AS FINE CONCENTRATE GRADING 47% CR2O3 AND CR:FE OF 2:1).

Commodities

Commodity Importance
Aluminum Critical Tertiary
Chromium Critical Primary
Iron Tertiary

Materials information

Materials Type of material
Chromite Unknown
Olivine Unknown
Pyroxene Unknown

Nearby scientific data

Ore Body (1) 26.30146, -24.96338
ListMap

Economic information

Ore body information

  • Strike N90E
    Dip 06N
    Thickness 0.4M
    Length 25900M
    Width 70M
    Depth to top 3M
    Field Value
    MAS Matrix # 1
    MAS Column # 2
    Type of Orebody #1 OTHER
    Shape of Orebody #1 TABULAR
    Primary mode of Origin MAGMATIC DIFFER
    Primary Ore Control IGNEOUS
    Degree of Wallrock Alter. SLIGHT
    Type of Wallrock Alter. #1 SILICIFICATION
    Strike And Dip N90E:06N
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 3
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 930526

Economic information about the deposit and operations

Operation type Surface
Development status Plant
Commodity type Metallic
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 Gravity

Mining district

District name Marico District

Ownership information

  • Type Operator
    Owner Marico Mineral Co. (Pty) Ltd.
    Home office South Africa
    Year 1989
  • Type Owner
    Owner Vereenings Refractories Ltd.
    Interest 50
    Home office South Africa
    Year 1989
  • Type Owner
    Owner Samancor / Gencor
    Interest 50
    Home office South Africa
    Year 1989

Comments on the ownership information

  • JOINT VENTURE OF SAMANCOR/GENCOR AND VEREENIGING REFRACTORIES. VEREENIGING IS WHOLLY OWNED BY ANGLO AMERICAN.

Production statistics

  • Year 1986
    Period 1963-1985
    Accuracy Estimate
    Description Estimated Total Production 1963-1985 1648000 Mt Total Products
  • Year 1998
    Period 1985-1998
    Accuracy Estimate
    Description 1/89 Anal. Estimated Prod. 1985-1998 150000 Mt Rom / Year

Comments on the production information

  • THE MILL AT MARICO PRODUCES 3 PRODUCTS-SMALL LUMP (PA) WITH A CR/FE RATIO OF 2.0/1.0 , FINES CONC. WITH CR/FE OF 2.07/1.0 AND MED. CONC. WITH CR/FE OF 2.0/1.0 FINES + MED. CONC. REPRESENTED IN (PB). 40% OF PROD. IS LUMP, 40% IS FINES, 20% IS MED. FINES CONC. IS PRESENTLY SOLD FOR REFRAC- TORY USE BUT CAN BE USED FOR METALLURGICAL PURPOSES, MED SIZE MAT. WAS BEING STOCKPILED IN 1980 DUE TO LACK OF MARKET
  • MARICO WAS DISCOVERED WHILE SURVEYING FOR UNDERGROUND WATER.

Comments on the reserve resource information

  • ORIGINAL SEQ. NO. FOR ENTIRE MARICO (NIETVERDIEND) OPERATION. SPLIT INTO SURFACE ETD(SEQ. 791-020-0046) AND UG ETD(SEQ.791-020- 0203) FOR 1988 SAM RUNS. MIDDLE GROUP: 4-6 BANDS, .41 M TOTAL THICKNESS; 4-5 DEG.DIP. LOWER GROUP: .38 M THICK, 7 DEG. DIP.
  • 1/89 INSITU DEMO.TONNAGE= OPENPITTABLE TO ABOUT 10M VERT.DEPTH FOR BOTH MIDDLE GROUP AND LOWER GROUP.
  • Q-MATRIX 1 IS THE TONNAGE PRODUCED BY SURFACE MINING. COL 1 IS THE IN-SITU RESOURCE AND COL 2 IS THE RECOVERABLE RESOURCE. THE SURFACE MINING PHASE ENDS WHEN THE STRIPPING RATIO REACHES 12:1.

Workings at the site

  • Type of workings Surface
    Area 1800HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method OPEN PIT
    Percent Waste Rock 80
    Avg. Overburden Thickness 3
    Primary Material Cover M-HARD ROCKS
    Secondary Material Cover SAND, GRAVEL
    Hardness of Ore M-HARD ROCKS
    Avg. Bench Height (meters) 5
    Max. Pit Slope (degrees) 45
    Capacity Units MT ORE/DAY
    Preprod. Stripping Vol. 0
    Units of Production $/MT ORE
    Operating Days per Year 250
    Operating Shifts per Day 2
    Year of Information 1989
  • Type of workings Underground
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method BREAST STOPING 10-30
    Percent Waste Rock 20.2
    Hardness of Rock HARDROCK WITH LITTLE WATER
    Rock Characteristics ONE SYSTEM OF WEAKNESS PLANES
    Length of Inclines (m) 1970
    Slope of Inclines 5
    1st Condition of Workings OPEN
    Capacity 327
    Capacity Units MT ORE/DAY
    Unit Production Cost 36.95
    Units of Production $/MT ORE
    Operating Days per Year 260
    Operating Shifts per Day 2
    Year of Information 1981

Comments on other economic factors

  • TRANSPORTATION COST MILL TO SMELTER $17.25/MT. TRANSPORTATION COST SMELTER TO REFINERY $20.75/MT.

Reference information

Bibliographic references

  • Deposit

    RANKIN, G., 1975, CHROMIUM & FERROCHROMIUM IN S. AFRICA: P.8

  • Deposit

    SAUNDERS AND TAYLOR,INC.INVESTMENT INDUSTRY REPORT.

  • Deposit

    JOHANNESBURG,S.A.PP.84-87.

  • Deposit

    COERTZE F J, COERTZE C B, "CHROMIUM" P. 117-122.

  • Deposit

    MACGREGOR B I, "A REFRACTORY CHROME ORE DEPOSIT IN THE GROOT

  • Deposit

    MARICO DISTRICT,TRANSVAAL."THE GEOLOGY OF SOME ORE DE-

  • Deposit

    POSITS IN SOUTH AFRICA. GEOLOGICAL SOCIETY OF SOUTH

  • Deposit

    AFRICA. 1964. VOL II, P. 203-207.

  • Deposit

    "MINE VISIT, MARICO CHROME CORPORATION (PTY) LIMITED."

  • Deposit

    NIETVERDIEND, WESTERN TRANSVAAL. OCTOBER 15,1980.

  • Deposit

    SIEMS P L, CRIST E M, SHEEHAN L E, BHATT B, "CHROMITE MINES

  • Deposit

    AND RESOURCES IN THE REPUBLIC OF SOUTH AFRICA." UNIVER-

  • Deposit

    SITY OF IDAHO. DECEMBER 1976. P. 1-34

  • Deposit

    SOCIETY OF ECONOMIC GEOLOGISTS, "GEOLOGY OF THE BUSHVELD

  • Deposit

    IGNEOUS COMPLEX", MAGMATIC ORE DEPOSITS: A SYMPOSIUM.

  • Deposit

    ECONOMIC GEOLOGY PUBLISHING CO. LANCASTER P.A. 1969.

  • Deposit

    P. 1-39.

  • Deposit

    THE TEX REPORT CO. LTD. P. 106-112, 128.

  • Deposit

    MINING MAGAZINE, AUGUST 1981, P. 84-93.

  • Deposit

    GOLDER ASSOC., 1981, DEPOSIT PROFILE - MARICO (NIETVERDIEND)

  • Deposit

    TRANSVAAL, SOUTH AFRICA.

  • Deposit

    SILK M H, 1988, "WORLD CHROMITE RESOURCE AND FERROCHROMIUM

  • Deposit

    PRODUCTION", MINTEK SPECIAL PUBL. NO. 11.

  • Deposit

    DAVIDOFF R L, BOYLE E H JR., 1988, "NOTES FROM VISIT TO THE

  • Deposit

    REPUBLIC OF SOUTH AFRICA", USBM, MINERALS AVAIL. FIELD

  • Deposit

    OFFICE.

Reporter information

Type Date Name Affiliation Comment
Reporter 26-MAY-93 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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