Lacunga River

Prospect in Zaire, Angola with commodities Phosphorus-Phosphates, Uranium
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. Mineral rights holdings
  11. Ownership information
  12. Production statistics
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10158664
MAS/MILS ID 7620750001
Record type Site
Current site name Lacunga River
Alternate or previous names Kindonakasi, Quindonacaxa, Coluge-Tando, Lendiacolo

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: 12.86813, -6.94787 (WGS84)
Elevation 100
Location accuracy 1000(meters)

Site location context

Political divisions (FIPS codes)

Zaire(province)

Angola(country)

Africa(continent)

Land(continent)

Geographic areas

Country State
Angola Zaire

Commodities

Commodity Importance
Phosphorus-Phosphates Primary
Uranium Tertiary

Materials information

Materials Type of material
Collophane Unknown
Quartz Unknown

Nearby scientific data

Ore Body (1) 12.86813, -6.94787

Economic information

Ore body information

  • Thickness 0.6M
    Area 19740HA
    Depth to top 2M
    Field Value
    Type of Orebody #1 SEDIMENTARY
    Shape of Orebody #1 TABULAR
    Primary mode of Origin SEDIMENTATION
    Primary Ore Control LITHOLOGY
    Degree of Wallrock Alter. NONE
    Minimum Depth to Top .1
    Avg. Thick. Unconsol. Mat. 2
    Min. Thick. Unconsol. Mat. .1
    Total Surface Area (HA) 19740
    Date of Last Modification 830328

Comments on the geologic information

  • DENSITY = 2.1 METRIC TONS/CUBIC METER

Economic information about the deposit and operations

Operation type Surface
Development status Prospect
Commodity type Both
Significant No
Discovery year 1951
Mining method Strip-Level
Milling method Washing

Mineral rights holdings

Type of mineral rights Other

Ownership information

  • Type Owner
    Owner Phosphate Exreaction Co. Of Angola (Fosfang)
    Interest 100
    Home office Angola
    Year 1985
  • Type Operator
    Owner Bulgareomina (Of Bulgaria)
    Home office Bulgaria
    Year 1985

Production statistics

  • Year 1981
    Description Grade P2o5 Averages 19.4% 30 Metric Tons Ore/Day
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Phosphorus-Phosphates Phosphorus 19wt-pct

Comments on the production information

  • YEAR OF INITIAL PRODUCTION 1981- 30 TONS/DAY- PILOT PHASE

Comments on the reserve resource information

  • 80% RECOVERY ESTIMATED

Workings at the site

  • Type of workings Surface
    Area 19740HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method STRIP-LEVEL
    Percent Waste Rock 78.3
    Avg. Overburden Thickness 2
    Primary Material Cover SAND, SILT
    Hardness of Ore SAND, SILT
    Capacity 1515
    Capacity Units MT ORE/DAY
    Operating Days per Year 330
    Year of Information 1981

Reference information

Bibliographic references

  • Reserve-Resource

    MARCH 13, 1981

  • Deposit

    ANONYMOUS, ANGOLA IS ALSO TO CAPITILIZE ON ITS PHOSPHATE

  • Deposit

    ROCK RESERVES. FERTILIZERS INTERNATIONAL, APRIL 1981.

  • Deposit

    ANONYMOUS. ANGOLAN PHOSPHATE MINING. MINING JOURNAL,

  • Deposit

    MARCH 13, 1981.

  • Deposit

    BRITISH SULPHUR, WORLD SURVEY OF PHOSPHATE DEPOSITS, 4TH

  • Deposit

    EDITION, 1980.

  • Deposit

    E & MJ,JANUARY, 1985, P.40.

General comments

Subject category Comment text
Deposit GOVERMENT CONTROLLED DEPOSIT. AREA OF DEPOSIT BASED ON INFERRED ORE COVERS 19,740 HECTARES THE DEPOSIT IS NEARLY HORIZONTAL.

Reporter information

Type Date Name Affiliation Comment
Reporter 29-DEC-1994 Fantel, Richard J. U.S. Bureau of Mines

Beyond USGS

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