Alto Ligonha Naipa

Plant in Zambezia, Mozambique with commodity Tantalum
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. Land status
  12. Ownership information
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10158875
MAS/MILS ID 7870450002
Record type Site
Current site name Alto Ligonha Naipa

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: 38.25122, -15.74712 (WGS84)
Location accuracy 5000(meters)

Site location context

Political divisions (FIPS codes)

Zambezia(province)

Mozambique(country)

Africa(continent)

Land(continent)

Geographic areas

Country State
Mozambique Zambezia

Commodities

Commodity Importance
Tantalum Critical Primary

Materials information

Materials Type of material
Beryl Unknown
Bismuth Unknown
Columbite Unknown
Magnetite Unknown
Mica Unknown

Nearby scientific data

Ore Body (1) 38.25122, -15.74712

Economic information

Ore body information

  • Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 PEGMATITE
    Shape of Orebody #1 MASSIVE
    Primary mode of Origin METAMORPHISM
    Primary Ore Control FOLDING
    Secondary Ore Control CONTACT ZONE
    Degree of Wallrock Alter. UNKNOWN
    Type of Wallrock Alter. #1 SERICITIC
    Date of Last Modification 910729

Economic information about the deposit and operations

Operation type Surface
Development status Plant
Commodity type Metallic
Significant No
Discovery year 1946
Mining method Open Pit
Year of first production 1967
Plant type Beneficiation (Mill)
Plant subcategory Magnetic
Milling method Gravity

Mineral rights holdings

Type of mineral rights Minerals Only

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Empresa Iniera Do Alto Ligonha, S. A. R. L.
    Interest 100
    Home office Mozambique
    Year 1983

Comments on the reserve resource information

  • RESOURCE IN RECOVERABLE MT
  • ESTIMATED INSITU ORE RESOURCES USED BY THE CONTRACTOR FOR THEIR PROPERTY EVALUATION.

Workings at the site

  • Type of workings Surface
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Mining Method OPEN PIT
    Percent Waste Rock 50
    Avg. Bench Height (meters) 5
    Capacity 420
    Capacity Units MT ORE/DAY
    Operating Days per Year 250
    Operating Shifts per Day 1
    Year of Information 1983

Reference information

Bibliographic references

  • Deposit

    "ESTUDO DOS CAMPOS PEGMATITICOS DA ZAMBEZIA RELATORIO DA

  • Deposit

    MISSAS DE ESTUDOS EM MOZAMBIQUE CAMPANHA DE 1963,"

  • Deposit

    JUNTA DE ENERGIA NUCLEAR, 1963, PP. 145-153, 275-276,

  • Deposit

    282-283.

  • Deposit

    HUTCHINSON, R.W., AND R.J. CLAUS, "PEGMATITE DEPOSITS,

  • Deposit

    ALTO LIGONHA, PORTUGESE EAST AFRICA," ECONOMIC GEOLOGY,

  • Deposit

    1956, V. 51, PP. 757-780/.

  • Deposit

    KNORRING, O. VON, "MINERALOGICAL RECONNAISE OF SOME

  • Deposit

    PEGMATITIES IN MADAGASCAR AND MOZAMBIQUE," 17TH ANNUAL

  • Deposit

    INSTITUTE OF AFRICAN GEOLOGY, UNIVERSITY OF LEEDS, 1974,

  • Deposit

    PP. 34-38.

  • Deposit

    "MOZAMBIQUE PROJECT FOR HUNTING," MINING JOURNAL, JUNE 4,

  • Deposit

    1982, P. 418.

  • Deposit

    NEIVA, J.M. COTELO AND J.M. CORREIA NEVES, "PEGMATITES OF

  • Deposit

    ALTO LIGONHA," MINERALS AND GENESIS OF PEGMATITES,

  • Deposit

    PP. 53-62.

  • Deposit

    NEVES, J.M. CORREIA, J.E. LOPES NUNES, AND DARLINDO B.

  • Deposit

    LUCAS, "MINERALOGY AND GEOCHEMISTRY OF PEGMATITES OF

  • Deposit

    MOZAMBIQUE," 24TH INTERNATIONAL GEOLOGICAL CONFERENCE,

  • Deposit

    SECTION 10, 1972, PP. 37-44.

  • Deposit

    LINDEN, JOHN, "TANTALUM: COST OF PRODUCTION," TANTALUM

  • Deposit

    PRODUCERS INTERNATIONAL STUDY CENTER, QUARTERLY BULL.,

  • Deposit

    #34, JUNE 1983, PP. 2-5.

  • Deposit

    "TROPICAL AFRICAN ADVISORY GROUP TRADE MISSION TO MOZAMBIQUE

  • Deposit

    BRITISH OVERSEAS TRADE BOARD, OCTOBER 15-29, 1980.

Reporter information

Type Date Name Affiliation Comment
Reporter 03-JAN-95 Buckingham, David A. U.S. Bureau of Mines

Beyond USGS

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