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

Impinge Claims

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. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Ownership information
  13. Reserves and resources
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10024317
MRDS ID ISM0016
Record type Site
Current site name Impinge Claims
Alternate or previous names African Chrome Mines Ltd.

Geographic coordinates

Geographic coordinates: 30.818, -16.91376 (WGS84)
Elevation 1524
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

  • MINES LOCATED ON WEST MARGIN OF THE GREAT DYKE AT MTOROSHANGA PASS.

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) 30.818, -16.91376
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Layered Intrusion

Ore body information

  • Depth to top 0.03M

Comments on the geologic information

  • FAULTING; GRABEN FORMATION; ARCH; CRMT + FRSR + ENST/BRNZ + FE OXIDES; SRPN + CRSL

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No
Discovery year 1917

Mining district

District name Great Dyke

Ownership information

  • Type Owner-Operator
    Owner African Chrome Mines Ltd. (Subsidiary Of Rhodesia Chrome Mines Ltd.
    First year 1928

Comments on the production information

  • UNKNOWN UNKNOWNPA1: PRODUCTION DATA REPORTED AS DEPOSIT TOTALS FOR GLENAPP MINE (AFRICAN CHROME MINES LTD.); MINING IN SIX SEAMS

Reserves and resources

  • Type In-situ
    Estimate year 1982
    Commodity Subtype Grade units Group Importance Year
    Chromium Cr2O3 50.2 wt-pct Chromium Major 1982

Comments on the reserve resource information

  • RR1-RR2: DEMONSTRATED RESOURCES; CALCULATION BASED UPON IN-SITU TONNAGE TO DEPTH OF 300 M ON INCLINE FOR SEAMS THAT OUTCROP OR ARE CLOSE TO SURFACE.
  • RR9: 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. (). SOILS DERIVED FROM CLAIMS OF AFRICAN CHROME MINES LTD. ARE TREATED FOR CHROMITE RETRIEVAL; DEEPEST SHAFT IS 520 M; CR/FE=2.85:1

Reference information

Bibliographic references

  • Deposit

    WORST, B. G., 1960, THE GREAT DYKE OF SOUTHERN RHODESIA: SOUTHERN RHODESIA GEOLOGICAL SURVEY BULLETIN 47, 234 P., (PA1, PA8, L1-L11)

  • Deposit

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

  • Production

    PA1, PA8: RF1, P. 199

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.). UNDERGROUND NONE

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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