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Minjingu

Producer in Arusha, Tanzania with commodity Phosphorus-Phosphates
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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. Economic information about the deposit and operations
  9. Mining district
  10. Ownership information
  11. Reserves and resources
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10023288
MRDS ID I000107
Record type Site
Current site name Minjingu

Geographic coordinates

Geographic coordinates: 35.99982, -3.80946 (WGS84)
Location accuracy 10000(meters)
Relative position AT SOUTH END OF LAKE MANYARA., Estimated. Precision Unknown, But Probably Within 10 Km.

Site location context

Political divisions (FIPS codes)

Arusha(province)

Tanzania(country)

Africa(continent)

Land(continent)

Geographic areas

Country State
Tanzania Arusha

Comments on the location information

  • DEPOSIT IS ABOOUT 100 KM SOUTHWEST OF THE RAILWAY TERMINAL OF ARUSHA.

Commodities

Commodity Importance
Phosphorus-Phosphates Primary

Comments on the commodity information

  • THE ORE IS UPGRADED TO 21.4% P2O5 BY DRYING AND SCREENING.

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Lake Sediments
    Stratigraphic age (youngest) Pleistocene

Nearby scientific data

(1) 35.99982, -3.80946
ListMap

Economic information

Economic information about the deposit and operations

Development status Producer
Commodity type Non-metallic
Significant No
Discovery year 1956
Year of first production 1983

Mining district

District name Mbulu

Ownership information

  • Type Operator
    Owner Stamico And Kone Corp.
    Home office Finland
  • Type Owner
    Owner Stamico

Comments on the production information

  • CAPACITY IS 170,000 TPA ORE.

Reserves and resources

  • Type In-situ
    Estimate year 1990
    Total resources 10000000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Phosphorus-Phosphates P2O5 18.5 wt-pct Phosphorus Major 1990

Comments on the reserve resource information

  • TYPE 1 ORE IS FINE-GRAINED FRIABLE ROCK; TYPE 2 IS HARD TO SEMI-HARD SILICEOUS PHOSPHATE.

Comments on development

  • ORE PRODUCTION CAPACITY BETWEEN 150,000 AND 300,000 TONNES/YEAR. ; ECON.COM: OVERBURDEN RATIO IS 1:6. ORE IS GROUND, PUT THROUGH CYCLONES AND FILTERING AND A 24.6% P2O5 CONCENTRATE IS TRUCKED TO ARUSHA TO BE SHIPPED TO THE TANGA FERTILIZER PLANT.

Reference information

Bibliographic references

  • Deposit

    NOTHOLT, ARTHUR, 1990, TANZANIA, IN CENTRAL AFRICA: MINING ANNUAL REVIEW 1990, P. 125.

  • Deposit

    DE KUN, N., 1987, MINERAL ECONOMICS OF AFRICA: NEW YORK, ELSEVIER, 345 P.

  • Deposit

    MINING MAGAZINE, JANUARY 1989, P.50

  • Deposit

    ISHEGIZE, I.A., NOVEMBER , 1993-MINERAL RESOURCES DEPT. DODOMA, TANZANIA, ORAL COMMUNICATION.

  • Deposit

    NDONDE, P.B., NOVEMBER, 1993- MINERAL RESOURCES DEPT. DODOMA, TANZANIA, ORAL COMMUNICATION.

  • Reserve-Resource

    NOTHOLT, 1990.

General comments

Subject category Comment text
Deposit DEPOSIT HAS GRADES UP TO 20% P2O5.
Deposit MRDS RECORD NO. DE00054 WAS DELETED. INFORMATION FROM THAT RECORD WAS INCORPORATED INTO THIS RECORD.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-90 Orris, Greta J. U.S. Geological Survey
Updater 01-NOV-93 Frank, Dave U.S. Geological Survey

Beyond USGS

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

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