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

Ore Recovery Tribute

Past Producer in Zimbabwe with commodity Chromium
Map
XML
JSON
KML
C
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 10135165
MAS/MILS ID 7960100053
Record type Site
Current site name Ore Recovery Tribute

Geographic coordinates

Point of reference Claim
Geographic coordinates: 30.61803, -17.31376 (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) 30.61803, -17.31376
ListMap

Economic information

Ore body information

  • Strike N10E
    Dip 25E
    Thickness 0.1M
    Length 10000M
    Width 300M
    Depth to top 50M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    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:25E
    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

Ownership information

  • Type Owner-Operator
    Owner Zimbabwe Mining And Smelting Co. (Zimasco)
    Interest 100
    Home office Zimbabwe
    Year 1981

Comments on the reserve resource information

  • 75% PROB. LEVEL IS AN ESTIMATE OF TONNAGE CONTAINES IN 6 SEAMS OUTCROPPING ON THE SECTION (NOS. 5,6,7,8,9,10)- ASSUM- ING AN EXTENSION DOWN DIP OF 300 METERS. ESTIMATED THICKNESS ES FOR THE 6 SEAMS ARE .12, .12, .15, .15, .10, AND .12. ESTIMATED STRIKE LENGTHS FOR EACH SEAM IS 10000 METERS. 50% PROB. LEVCEL IS ESTIMATED TONNAGE ASSUMING DOWN-DIP EXTEN- SIONS OF 1000 METERS FOR SEAM 5 AND 1200 METERS FOR SEAMS 6- 10. M1C1=M9C4.
  • 1/89 INSITU DEMO.TONNAGE = SEAMS 4,5,6,7,8 & 9 TO 300 M ON-DIP. 85 % RECOVERY.
  • SHUT DOWN IN 1982 OR 1983. FOR ANALYSIS: 29,400 MTPY ROM FOR: 11,950 MTPY LUMP AT 45.8-47 % CR2O3 AND 14,740 MTPY FINES AT 45.8-47 % CR2O3. ALL PRODUCTS ANALYZED AS CHROMITE MET FOR EXPORT IN AVAIL.STUDY. GREAT DYKE RESOURCE. SEAMS 4, 5, 6, 7, 8, 9 OUTCROP ON SECTION.SEAMS 4&9=.10 M THICK, SEAMS 5&6=.125 M THICK, SEAMS 7&8 = .15 M.

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 Waste Rock 0
    Percent Recovery 60
    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 133
    Capacity Units MT ORE/DAY
    Unit Production Cost 71.34
    Units of Production $/MT ORE
    Operating Days per Year 300
    Operating Shifts per Day 2
    Year of Information 1981

Reference information

Bibliographic references

  • Deposit

    ALREY, N.M. "A REVIEW OF CHROMITE MINING IN THE GREAT DYKE."

  • Deposit

    CHAMBER OF MINES JOURNAL. JUNE 1975. PP. 35-43.

  • Deposit

    COTTERILL, P. "THE CHROMITE DEPOSITS OF SELUKWE, RHODESIA."

  • Deposit

    ECONOMIC GEOLOGY MONOGRAPH VOL. 4. PP. 154-186.

  • Deposit

    COTTERILL, P. "THE SELUKWE SCHIST BELT AND ITS CHROMITITE

  • Deposit

    DEPOSITS." GEOLOGICAL SOCIETY OF SOUTH AFRICA. VOL. 5.

  • Deposit

    1979. PP. 229-245.

  • Deposit

    STOWE, CLIVE W. "ALPINE-TYPE STRUCTURES IN THE RHODESIAN

  • Deposit

    BASEMENT COMPLEX AT SELUKWE." JOURNAL OF THE GEOLOGICAL

  • Deposit

    SOCIETY. LONDON. VOL. 130. 1974. PP. 411-425.

  • Deposit

    STOWE, C.W. "THE GEOLOGY OF THE COUNTRY SOUTH AND WEST OF

  • Deposit

    SELUKWE." RHODESIA, GEOLOGICAL SURVEY BULLETIN NO. 59.

  • Deposit

    SALISBURY. 1968. PP. 178-180.

  • Deposit

    TINDALE, R. AND M.A. BISCOE. "THE GEOLOGY OF THE COUNTY

  • Deposit

    AROUND GWELO." SOUTHERN RHODESIA, GEOLOGICAL SURVEY

  • Deposit

    BULLETIN NO. 39. 1949. PP. 120-137.

  • Deposit

    WILSON, N.H. "NOTES ON THE MINING INDUSTRY OF SOUTHERN

  • Deposit

    RHODESIA." GEOLOGICAL SURVEY OF SOUTHERN RHODESIA.

  • Deposit

    PP. 55-59.

  • Deposit

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

  • Deposit

    RHODESIA, GEOLOGICAL SURVEY BULLETIN NO. 47. 1960.

  • Deposit

    PP. 82-106, 186-231.

Reporter information

Type Date Name Affiliation Comment
Reporter 19-AUG-92 Boyle, Ed U.S. Bureau of Mines

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Maps centered on this site