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  3. Mineral Resource Data System (MRDS)

Windsor Mine

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. Host and associated rocks
  7. Nearby scientific data
  8. Geologic structures
  9. Economic information about the deposit and operations
  10. Mining district
  11. Ownership information
  12. Production statistics
  13. Reserves and resources
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10024322
MRDS ID ISM0022
Record type Site
Current site name Windsor Mine
Alternate or previous names Windsor Chrome Mines Ltd.

Geographic coordinates

Geographic coordinates: 30.75134, -17.79703 (WGS84)
Elevation 1219
Relative position CLAIM; 1 KM

Site location context

Political divisions (FIPS codes)

Zimbabwe(country)

Africa(continent)

Land(continent)

Geographic areas

Country
Zimbabwe

Comments on the location information

  • EITHER SIDE OF UMNIATI RIVER; NEAR EASTERN MARGIN OF THE GREAT DYKE, VICINITY OF NGAZI DAM-QUEQUE RD.

Commodities

Commodity Importance
Chromium Critical Primary

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite > Dunite
    Rock unit name Hartley Complex
    Rock description Hartley Complex

Nearby scientific data

(1) 30.75134, -17.79703
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Layered Intrusion

Comments on the geologic information

  • ALTERATION, FOLDING, FAULTING; ARCH; CRMT + SRPN + CLRT + TMLT; ALTERNATING LAYERS OF MASSIVE AND DISSEMINATED CHROMITE OCCUR IN SERPENTINIZED PERIDOTITE IN UPPER PART OF ULTRAMAFIC ZONE OF BIRD RIVER SILL WHICH INTRUDED ARCHEAN SUPRACRUSTAL ROCKS OF RICE LAKE GROUP AND WAS SUBSEQUENTLY DEFORMED DURING KENORAN OROGENY.
  • MAJOR FAULTING; GRABEN FORMATION; ARCH; SR/SR: 2532 +/- 89 MA; CRMT + FRSR + ENST/BRNZ + FE OXIDES; SRPN + CRSL

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No
Year of last production 1982

Mining district

District name Great Dyke

Ownership information

  • Type Owner-Operator
    Owner Windsor Chrome Mines Ltd.

Production statistics

  • Year 1957
    Material ORE CR
    Accuracy Accurate
    Description Ap_Grade: ^50.11% Cr203
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Cr2O3 Ore Chromium Chromium 50wt-pct

Comments on the production information

  • NONE OR MINOR NEW FACILITIES COULD BE CONSTRUCTED.
  • UNKNOWN UNKNOWN

Reserves and resources

  • Type In-situ
    Estimate year 1982
    Commodity Subtype Grade units Group Importance Year
    Chromium Cr2O3 51.06 wt-pct Chromium Major 1982

Comments on the reserve resource information

  • RR1: WINDSOR AND YORK WEST PROPERTIES COMBINED. DEMONSTRATED RESOURCES; CALCULATION BASED ON IN-SITU TONNAGE TO DEPTH OF 300 M ON INCLINE FOR SEAMS THAT OUTCROP OR ARE CLOSE TO SURFACE.
  • RR9: MEASURED AND INDICATED RESOURCES TO DEPTH OF 198 M ACROSS WIDTH OF 2.6 M AND STRIKE LENGTH OF 1365 M.
  • RR9: WINDSOR AND YORK WEST PROPERTIES COMBINED. IDENTIFIED RESOURCES; CALCULATION INCLUDES ALL MINERALIZED SEAMS TO DEPTH OF 1000 M ON INCLINE.

Comments on development

  • NON-GEOLOGIC CONSTRAINTS ON DEVELOPMENT OR EXPANSION IN 1-5 YRS. ( PROCESSING;). DEVELOPMENT(NO); EXPLORATION(YES);
  • NON-GEOLOGIC CONSTRAINTS ON DEVELOPMENT OR EXPANSION IN 1-5 YRS. ( X; UNDERGROUND WATER).

Reference information

Bibliographic references

  • Deposit

    WORST, B.G., 1960, THE GREAT DYKE OF SOUTHERN RHODESIA: SOUTHERN RHODESIA GEOLOGICAL SURVEY BULLETIN 47, 234 P. (PA1, PA2)

  • Deposit

    THOMAS, P., 1982, WRITTEN COMMUN., MAS DATA: DENVER, COLO., U.S. BUREAU OF MINES. (RR1, RR8, RR9, RR16)

  • Production

    PA1, PA2: RF1, P. 228

General comments

Subject category Comment text
Deposit THIS RECORD WAS COMPILED FOR THE INTERNATIONAL STRATEGIC MINERALS INVENTORY. THE DATA WERE USED IN PREPARATION OF THE USGS CIRCULAR 930 SERIES OF REPORTS. MINERAL RESOURCE CATEGORIES AND CODES HEREIN ARE FROM THE INTERNATIONAL CLASSIFICATION SYSTEM RECOMMENDED BY THE UNITED NATIONS GROUP OF EXPERTS ON DEFINITIONS AND TERMINOLOGY FOR MINERAL RESOURCES. (SEE NATIONAL RESOURCES FORUM, V. 4, NO. 3, P. 307-313.).
Deposit THIS RECORD WAS COMPILED FOR THE INTERNATIONAL STRATEGIC MINERALS INVENTORY. THE DATA WERE USED IN PREPARATION OF THE USGS CIRCULAR 930 SERIES OF REPORTS. MINERAL RESOURCE CATEGORIES AND CODES HEREIN ARE FROM THE INTERNATIONAL CLASSIFICATION SYSTEM RECOMMENDED BY THE UNITED NATIONS GROUP OF EXPERTS ON DEFINITIONS AND TERMINOLOGY FOR MINERAL RESOURCES. (SEE NATIONAL RESOURCES FORUM, V. 4, NO. 3, P. 307-313.). SURFACE-UNDERGROUND CONCENTRATE

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1982 Lipin, Bruce R. U.S. Geological Survey
Updater 01-SEP-1983 Lipin, Bruce R. U.S. Geological Survey

Beyond USGS

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

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