1. Mineral Resources
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  3. Mineral Resource Data System (MRDS)

Ouro Preto

Producer in Minas Gerais, Brazil with commodity Aluminum
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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. Mining district
  11. Mineral rights holdings
  12. Land status
  13. Ownership information
  14. Production statistics
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10257169
MAS/MILS ID 3510230080
Record type Site
Current site name Ouro Preto
Alternate or previous names Saramenha, Cataguases

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -45.49898, -20.41419 (WGS84)
Elevation 600
Location accuracy 1000(meters)

Site location context

Political divisions (FIPS codes)

Minas Gerais(province)

Brazil(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Brazil Minas Gerais

Commodities

Commodity Importance
Aluminum Critical Primary

Materials information

Materials Type of material
Gibbsite Unknown

Nearby scientific data

Ore Body (1) -45.49898, -20.41419
ListMap

Economic information

Ore body information

  • Thickness 4.5M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 LATERITE
    Shape of Orebody #1 OTHER
    Type of Orebody #2 REPLACEMENT
    Primary mode of Origin OXIDATION
    Secondary mode of Origin RESIDUAL CONCENT
    Primary Ore Control LITHOLOGY
    Minimum Depth to Top .2
    Min. Thick. Unconsol. Mat. .2
    Date of Last Modification 900814

Comments on the geologic information

  • DEPOSITS ARE FORMED BY VERY INTENSE WEATHERING. THE ORE OCCURS IN COMPACT MASSES AND IN DISSEMINATED CONCRETIONS IN INTERBEDDED LATERITIC ROCK. THE STRIKE IS GENERALLY NW-SE. NO INFORMATION IS AVAILABLE ABOUT DIMENSIONAL DATA.

Economic information about the deposit and operations

Operation type Surface
Development status Producer
Commodity type Metallic
Significant Yes
Discovery year 1934
Year of first production 1944
Milling method Washing

Mining district

District name Iron Quadrangle

Mineral rights holdings

Type of mineral rights Minerals Only

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Aluminum Linited Of Canada (Alcan)
    Interest 100
    Home office Canada
    Year 1987
  • Type Operator
    Owner Alcan Aluminio Do Brasil (Aluminas)
    Interest 100
    Home office Brazil
    Year 1987

Production statistics

  • Year 1976
    Period 1971 To 1976
    Description Bauxite Ore 1971 To 1976 150000 Mt Ore/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Aluminum Aluminum 150000mt
  • Year 1978
    Period 1977 To 1978
    Description Bauxite Ore 1977 To 1978 350000 Mtpy
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Aluminum Aluminum 350000mt
  • Year 1979
    Description Bauxite Ore 279300 Mtpy
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Aluminum Aluminum 279300mt
  • Year 1980
    Description Bauxite Ore 360000 Mtpy
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Aluminum Aluminum 360000mt
  • Year 1981
    Description Bauxite Ore 328000 Mtpy
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Aluminum Aluminum 328000mt
  • Year 1982
    Description Bauxite Ore 383000 Mtpy
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Aluminum Aluminum 383000mt
  • Year 1983
    Description Bauxite Ore 400000 Mtpy
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Aluminum Aluminum 400000mt
  • Year 1984
    Description Bauxite Ore 415000 Mtpy
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Aluminum Aluminum 415000mt

Comments on the reserve resource information

  • QM1C1=QM9C4; THIS IS GOLDER ASSOCIATES 1981 ALUMINUM CONTRCT DATA, FROM THEIR DEPOSIT REPORT PROFILE, PP 5,6. QM1C3=QM9C4; THIS THE ESTIMATED 1986 RESERVE/RESOURCES ESTIMATE. QM1C5=QM9C6; THIS IS THE RESERVE/RESOURSE ESTIMATE FOR THE 1987 UPDATE STUDY.

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
    Capacity 2000
    Capacity Units MT ORE/DAY
    Operating Days per Year 250
    Operating Shifts per Day 2
    Year of Information 1987
  • Type of workings Surface
    Field Value
    MAS Development Schedule # 1
    Mining Record # 2
    Status of Mining Method ESTIMATE
    Capacity 1680
    Capacity Units MT ORE/DAY
    Unit Production Cost 2.75
    Units of Production $/MT ORE
    Operating Days per Year 250
    Operating Shifts per Day 2
    Year of Information 1981

Comments on other economic factors

  • FEED, PRODUCT AND YEILD ARE THE SAME, A BAUXITE ORE.
  • HAUL DISTANCE FROM MINE TO WASH PLANT VARIES FROM 1-15 KM.

Reference information

Bibliographic references

  • Deposit

    ABREU, SYLVIO, RECURSOS MINERAIS DO BRASIL. EDGARD BLUCHER

  • Deposit

    LTDA., BRASIL, 1973, P.186-190.

  • Deposit

    ASSOCIACIAO BRASILEIRA DO ALUMINIO, ANNUARIO ESTATISTICO,

  • Deposit

    1979, ABAL., 1980, P.26.

  • Deposit

    CASTRO, ORLANDO, A INDUSTRIA E O MERCADO BRASILEIRO DE

  • Deposit

    ALUMINIO, ANNUAL CONFERENCE OF THE ASSOCIACIAO BRASILEIRA

  • Deposit

    DE METALS, PORTO ALEGRE, BRASIL, 1979, P.91-103.

  • Deposit

    GUIMARAES DJALMA, SOARES IFIGENIO, BAUXITA DO MORRO DO

  • Deposit

    CRUZEIRO EN OURO PRETO-MINAS GERAIS, DEPARTMENTO NACIONAL

  • Deposit

    DA PRODUCCAO MINERA, BOL. 67, 1945, P.43.

  • Deposit

    LEFOND, S.J., 1973, BRAZILIAN MIN., RELAXED GOV'T ATT. PAVE

  • Deposit

    WAY FOR EXPLOITING CRITICAL RESERVES, MIN. ENG., V.25,

  • Deposit

    P.31-45.

  • Deposit

    METALS WEEK, WEEKLY PUBLICATIONS

  • Deposit

    WHITE, MAX G., ALUMINUM RESOURCES OF BRAZIL, USGS,1975,P.21.

  • Deposit

    E AND MJ, 1978 INTERNATIONAL DIRECTORY OF MINING.

  • Deposit

    WORLD MINING REGISTER, 1979, 1980.

  • Deposit

    MINING MAGAZINE, SEPT 1977, "MINERAL EXPLORATION AND MINING

  • Deposit

    IN BRASIL-1977", PP245-253.

  • Deposit

    IBA REVIEW - SEPT-DEC, 1987, P10.

General comments

Subject category Comment text
Deposit OURO PRETO (ALCAN) ON OLD ADIT. ALCAN ALUMINIO DO BRASIL NORDESTE SA IS THE OPERATOR

Reporter information

Type Date Name Affiliation Comment
Reporter 23-SEP-1996 Wilburn, David R. U.S. Bureau of Mines

Beyond USGS

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

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