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  3. Mineral Resource Data System (MRDS)

Impinge Eluvial

Past Producer in Zimbabwe with commodity Chromium
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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. Reporter information

Geologic information

Identification information

Deposit ID 10231963
MAS/MILS ID 7960100048
Record type Site
Current site name Impinge Eluvial
Alternate or previous names Impinge Eluvial Operation, Great Dyke, Mtorashangu

Geographic coordinates

Point of reference Claim
Geographic coordinates: 30.80133, -16.86709 (WGS84)
Elevation 1400
Location accuracy 1000(meters)

Site location context

Political divisions (FIPS codes)

Zimbabwe(country)

Africa(continent)

Land(continent)

Geographic areas

Country
Zimbabwe

Commodities

Commodity Importance
Chromium Critical Primary

Materials information

Materials Type of material
Chromite Unknown
Magnetite Unknown
Mica Unknown
Olivine Unknown
Pyroxene Unknown

Nearby scientific data

Claim (1) 30.80133, -16.86709
ListMap

Economic information

Ore body information

  • Length 531000M
    Width 6000M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 DISSEMINATED
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 PLACER
    Primary mode of Origin MAGMATIC DIFFER
    Secondary mode of Origin RESIDUAL CONCENT
    Primary Ore Control IGNEOUS
    Secondary Ore Control LITHOLOGY
    Degree of Wallrock Alter. UNKNOWN
    Type of Wallrock Alter. #1 UNKNOWN
    Minimum Depth to Top 0
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 830627
  • Area 1000HA
    Field Value
    Total Surface Area (HA) 1000
    Date of Last Modification 910418

Comments on the geologic information

  • THE GREAT DYKE TRENDS NE-SW. LENGTH: 531KM; WIDTH: 5-6KM; THICKNESS: 11KM. CONSISTS OF FOUR SEPARATE INTRUSIONS. SEVEN CHROMITE SEAMS OUTCROP IN MINE AREA. THICKNESS OF SEAMS IS 10 TO 17.5CM. ELUVIAL CHROMITE DEPOSITS ARE 12 TO 180CM THICK, AVG 45CM. GREAT DYKE IS PART OF THE BUSHVELD COMPLEX-LAYERED INTRUSIVE.

Economic information about the deposit and operations

Operation type Surface
Development status Past Producer
Commodity type Metallic
Significant No
Mining method Strip-Level
Year of first production 1919
Milling method Gravity

Mining district

District name Great Dyke

Ownership information

  • Type Owner-Operator
    Owner African Chrome Mines, Ltd. (Union Carbide Corp.)
    Interest 100
    Home office Zimbabwe
    Year 1981

Workings at the site

  • Type of workings Surface
    Area 1000HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method STRIP-LEVEL
    Percent Waste Rock 0
    Avg. Overburden Thickness .45
    Primary Material Cover SAND, SILT
    Percentage 100
    Hardness of Ore SAND, SILT
    Capacity 1000
    Capacity Units MT ORE/DAY
    Preprod. Stripping Vol. 0
    Unit Production Cost 4.78
    Units of Production $/MT ORE
    Operating Days per Year 300
    Operating Shifts per Day 2
    Year of Information 1982
  • Type of workings Underground
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method BREAST STOPING 10-30
    Hardness of Rock HARDROCK WITH LITTLE WATER
    Rock Characteristics MULTIPLE SYSTEMS OF WEAKNESS PLANES
    Rock Support Chars. UNKNOWN
    Mine Support Chars. UNKNOWN
    1st Condition of Workings OPEN
    Capacity 1000
    Capacity Units MT ORE/DAY
    Unit Production Cost 4.78
    Units of Production $/MT ORE
    Operating Days per Year 300
    Operating Shifts per Day 2
    Year of Information 1982

Comments on other economic factors

  • TRANSPORTATION COST MILL TO SMELTER: $17.50/MT.

Reference information

Bibliographic references

  • Deposit

    KIMBLE PR. ENG. "MINING PRACTICE AT AFRICAN CHROME MINES,

  • Deposit

    LTD., RHODESIA." THE AFRICAN CHROME MINES, LTD. QUE QUE

  • Deposit

    RHODESIA. PP.A94-A100.

  • Deposit

    RHODESIAN MINING REVIEW. "CHROME MINING AT MTOROSHANGA IN

  • Deposit

    THE UMYUKWES." JULY 1954. PP.27-33.

  • Deposit

    WORST, B.G. D. SC. "THE GREAT DYKE OF SOUTHERN RHODESIA."

  • Deposit

    SOUTHERN RHODESIA GEOLOGICAL SURVEY BULLETIN NO.47.

  • Deposit

    PP.32-36, 82-92, 189-203.

  • Deposit

    TEMBER 1980.

  • Deposit

    PERSONAL COMMUNICATIONS- JOHANNESBURG.

  • Deposit

    PERSONAL COMMUNICATIONS - ZIMBABWE.

  • Deposit

    QUARTERLY STATEMENTS - WESTERN PLATINUM HOLDING.

  • Deposit

    STAGMAN, J.G. "ANOUTLINE OF THE GEOLOGY OF RHODESIA"

  • Deposit

    GOVERNMENT PRINTER, SALISBURY, BULLETIN NO. 80 OF

  • Deposit

    RHODESIA GEOLOGICAL SURVEY, 1978.

  • Deposit

    STAGMAN, J.G. "ECONOMIC MINERAL POTENTIAL OF THE GREAT DYKE

  • Deposit

    OF RHODESIA", GEOLOGICAL SURVEY OF RHODESIA, JANUARY

  • Deposit

    1977.

  • Deposit

    WORST, B.G. "THE GREAT DYKE OF SOUTHERN RHODESIA" GOVERN-

  • Deposit

    MENT PRINTER, SALISVURY. BULLETIN NO. 47 OF SOUTHERN

  • Deposit

    RHODESIA GEOLOGICAL SURVEY, 1960.

Reporter information

Type Date Name Affiliation Comment
Reporter 14-DEC-94 Rfb 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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