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

Dorowa

Producer in Zimbabwe with commodity Phosphorus-Phosphates
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. Host and associated rocks
  7. Nearby scientific data
  8. Ore body information
  9. Economic information about the deposit and operations
  10. Ownership information
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10024663
MRDS ID ISM0397
Record type Site
Current site name Dorowa

Geographic coordinates

Geographic coordinates: 31.75133, -19.03028 (WGS84)
Elevation 1250

Site location context

Political divisions (FIPS codes)

Zimbabwe(country)

Africa(continent)

Land(continent)

Geographic areas

Country
Zimbabwe

Comments on the location information

  • TOBENE FIELD, WHICH IS SITUATED ABOUT 10 KM SE OF TAIBA IS UNDERSTOOD TO BE PART OF TAIBA DEPOSIT. DEVELOPMENT OF PHOSPHATE RESOURCES IN TOBENE AREA HAD BEEN PLANNED IN 1974/75 BY AN IRANIAN-BRAZILIAN-SENEGALESIAN JOINT VENTURE. TOBENE RESOURCES ARE INCLUDED HERE AS R2E

Commodities

Commodity Importance
Phosphorus-Phosphates Primary

Comments on the commodity information

  • PHOSPHATE

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Syenite
  • Host or associated Host
    Rock type Plutonic Rock > Carbonatite, Intrusive
    Rock unit name Dorowa Complex;Dorowa Complex;Country Rock
    Rock description Dorowa Complex;Dorowa Complex;Country Rock
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) 31.75133, -19.03028
ListMap

Economic information

Ore body information

  • Depth to top 0M

Comments on the geologic information

  • ; APATITE, MAGNETITE, MICA, CALCITE, VERMICULITE, KAOLINITE; A PLUG OF ALKALINE AND CARBONATITE ROCKS (DIAMETER ABOUT 3 KMS) INTRUDED GRANITES. WITHIN THE PLUG A COMPLICATED SEQUENCE OF INTRUSIVE ACTIVITIES PRODUCING FOYAITES, IJOLITES, CARBONATITES ETC. AND FENITISATION ZONES CAN BE OBSERVED. APATITE OFTEN IS FOUND IN DISSECTING VEINS OF CARBONATITES AND GLIMMER ROCKS
  • ; APATITE, SILICA, CALCITE, ARGILLACEOUS MATTER; MINOR CRANDALLITE; WORKED PHOSPHATE BED IS 5 TO 15 M THICK, AVERAGE 5.7 M

Economic information about the deposit and operations

Development status Producer
Commodity type Non-metallic
Significant No
Discovery year 1938
Year of first production 1964
Year of last production 1983

Ownership information

  • Type Operator
    Owner Ae And Ci, Dorowa Minerals Ltd.
  • Type Owner
    Owner African Explosives And Chemical Industries Ltd.

Comments on the production information

  • MINE CAPACITY IS OVER 6 MILLION TPY UNKNOWNCONCENTRATE PRODUCTION AVERAGE 1975-80 PA1 RECALCULATED FROM PA2 USING REPORTED RECOVERY RATES PC1 CUMULATIVE EXPORTS; PC2 CUMULATION OF PRODUCED SALEABLE CONCENTRATES
  • 1.7 MIL TPY ORE, 180,000 TPY CONC. COMPANY HOPES TO DOUBLE OPERATING CAPACITY (I.M., NO.172, P.28)CAPACITY OF BENEFICIATION PLANT 180000 TPA CONCENTRATES FROM ABOUT 1.7 MILLION TONNES ROM-ORE

Comments on the reserve resource information

  • TOBENE RESOURCES TOTAL IDENTIFIED RESERVES OF TAIBA, POSSIBLY NOT COMPRISING TOBENE RESOURCES, WHICH SHOULD BE IN THE ORDER OF 90 MILLION TONNES

Comments on development

  • NON-GEOLOGIC CONSTRAINTS ON DEVELOPMENT OR EXPANSION IN 1-5 YRS. (). EXPLORATION(YES); 7,5 TONNES OF ROM ORE YIELD 1 TONNE OF 80 % BPL CONCENTRATE
  • NON-GEOLOGIC CONSTRAINTS ON DEVELOPMENT OR EXPANSION IN 1-5 YRS. (). DEVELOPMENT(UNKNOWN); EXPLORATION(UNKNOWN); CSPT OWNER SHIP: 50 % GOVT. SENEGAL, 15.57 % BRGM FRANCE, 11.08 % INTERNATIONAL MINERALS & CHEMICAL CORP., 7.47 % NOUVELLE COMPAGNIE FINANCIERE POUR L'OUTRE MER. ROM-PHOSPHATE ORES CONTAIN ABOUT 65 % BPL; WASHED PRODUCT GRADES AT 81 % BPL. RECOVERY RATE OF BENEFINICATION EXTREMELY LOW (30 %). TAILINGS CONTAIN MORE THAN 50 % BPL. INVESTIGATION PROGRAMMES UNDERWAY TO IMPROVE RECOVERY RATE AND TO REWORK TAILINGS FOR THE PRODUCTION OF AN ADDITIONAL 67 BPL CONCENTRATE. CLY IS AN ATAPULGITE-CLAY. CHEMISTRY: WASHED 82 % BPL CONCENTRATE: 82.1 % BPL, 37.55 % P2O5, 3.7 % F, 0.02 % CL, 0.22 % SO3, 1.78 % CO2, 52.05 % CA0, 0.07 % MGO, 0.62 % AL2O3, 0.74 % FE2O3, 2.90 % SIO2, 0.24 % NA2O, 0.03 % K2O, 1.35 % LOI, 0.04 % TIO2. SOURCES: BRITISH SULPHUR CORP. LTD., 1980: WORLD SURVEY OF PHOSPHATE DEPOSITS, 4TH ED., LONDON

Reference information

Bibliographic references

  • Deposit

    BRITISH SULPHUR CORP. LTD., 1980: WORLD SURVEY OF PHOSPHATE DEPOSITS, 4TH ED., LONDON

  • Production

    INDUSTRIAL MINERALS, NO.172, JAN. 1982, P.28

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.). SURFACE 0 M SCREENING, MAGNETIC SEPARATION, CYCLONING, FLOTATION
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 17 M SCREENING, WASHING

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1983 Krauss, Ulrich H. Bundesanstalt Fuer Geowissenschaften und Rohstoffee (Germany)

Beyond USGS

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

Maps centered on this site