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  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Greenvale

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. Mineral rights holdings
  12. Ownership information
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10208443
MAS/MILS ID 7960100055
Record type Site
Current site name Greenvale

Geographic coordinates

Point of reference Claim
Geographic coordinates: 30.60964, -17.53035 (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
Olivine Unknown
Pyroxene Unknown

Nearby scientific data

Claim (1) 30.60964, -17.53035
ListMap

Economic information

Ore body information

  • Strike N10E
    Dip 20W
    Thickness 0.1M
    Length 8000M
    Width 300M
    Depth to top 50M
    Field Value
    MAS Matrix # 1
    MAS Column # 3
    Type of Orebody #1 OTHER
    Shape of Orebody #1 TABULAR
    Primary mode of Origin MAGMATIC DIFFER
    Primary Ore Control IGNEOUS
    Secondary Ore Control LITHOLOGY
    Degree of Wallrock Alter. SLIGHT
    Type of Wallrock Alter. #1 OTHER
    Strike And Dip N10E:20W
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. .5
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 830627

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Significant Yes
Mining method Open Stope - Breast Stoping
Milling method Sizing

Mining district

District name Hartley Complex

Mineral rights holdings

Type of mineral rights Unknown

Ownership information

  • Type Owner-Operator
    Owner Rhodesian Alloys Ltd. (Rhodall)
    Home office Zimbabwe
    Year 1981

Comments on the reserve resource information

  • SHUT DOWN IN 1982/1983. FOR ANALYSIS: 20,000 MTPY ROM FOR: 16,570 MTPY LUMP AND 1,800 MTPY FINES. ALL PRODUCTS AT 47.0 % CR2O3. ALL PRODUCTS ANALYZED AS CHROMITE MET FOR EXPORT IN AVAIL.STUDY. GREAT DYKE RESOURCE. SEAMS 4, 5, 6, 7, 8 OUTCROP ON SECTION. SEAM 4= .10 M THICK, SEAMS 5&6 = .125 M THICK, SEAMS 7&8 = .15 M.
  • 50 % PROB. LEVEL ASSUMES DOWN-DIP EXTENSIONS OF 1000 M. FOR SEAM 5; 1300 M. FOR SEAMS 6, 7, AND 8; 1500 M. FOR SEAM 9; AND 1500 M. FOR SEAMS 10 AND 11 WHICH ARE INFERRED TO OCCUR AT DEPTH.
  • 1/89 INSITU DEMO.TONNAGE = SEAMS 4,5,6 AND 7 TO 300 M ON-DIP. 85 % RECOVERY.

Workings at the site

  • Type of workings Underground
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Mining Method RESUING 10-61
    Percent Recovery 80
    Hardness of Rock HARDROCK WITH LITTLE WATER
    Rock Characteristics ONE SYSTEM OF WEAKNESS PLANES
    Rock Support Chars. SUPPORTING MAY BACK SLAB
    Mine Support Chars. POST, HEADBOARD, CAPS, ROOF BOLTS
    1st Condition of Workings OPEN
    Capacity 67
    Capacity Units MT ORE/DAY
    Unit Production Cost 79.5
    Units of Production $/MT ORE
    Operating Days per Year 300
    Operating Shifts per Day 2
    Year of Information 1981

Reference information

Bibliographic references

  • Deposit

    BALLEN, R. COST ESTIMATION FOR SOUTH AFRICAN CHROMITE MINE.

  • Deposit

    1979.

  • Deposit

    BALLEN, R. THE IMPLICATIONS OF SOUTH AFRICA AND ZIMBABWE ON

  • Deposit

    THE AMERICAN FERROCHROME INDUSTRY. PHD THESIS: COLORADO

  • Deposit

    SCHOOL OF MINES. 1981.

  • Deposit

    GOLDEN ASSOCIATES. "DEPOSIT PROFILE: SELUKWE PEAK, ZIMBABWE"

  • Deposit

    1980.

  • Deposit

    GOLDER ASSOCIATES. "DEPOSIT PROFILE: SUTTON, VANAD, CAESAR,

  • Deposit

    ZIMBABWE." 1981.

  • Deposit

    GOLDER ASSOCIATES. "DEPOSIT PROFILE: AFRICAN CHROME MINES,

  • Deposit

    LTD. ZIMBABWE." 1981.

  • Deposit

    MINISTRY OF MINES." CHROMIUM MINING." PUBLICATION NO.3.

  • Deposit

    PP.1-3.

  • Deposit

    PERSONAL COMMUNICATIO, 1981.

  • Deposit

    WORST, B.S. THE GREAT DYKE OF SOUTHERN RHODESIA. (INCLUDING

  • Deposit

    GEOLOGICAL MAP OF THE DYKE, SHEETS 1-9). PP.1-235.

Reporter information

Type Date Name Affiliation Comment
Reporter 19-AUG-92 Eastern Field Operations Center (EFOC) 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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