Cuiba

Producer in Minas Gerais, Brazil with commodity Gold
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Ownership information
  12. Production statistics
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10064757
MRDS ID TC39239
Record type Site
Current site name Cuiba
Alternate or previous names Ore Bodies: Galinheiro Extensao, Galin Hiero Sul, Galin Hiero, Balancao Leste, Canta Galo, Fonte Grande Sul, Serrotinho, Surucucu Leste, Surucucu Oeste

Geographic coordinates

Geographic coordinates: -43.74589, -19.85305 (WGS84)
Location accuracy 1000(meters)
Relative position 5.5 KM E OF SABARA

Site location context

Political divisions (FIPS codes)

Minas Gerais(province)

Brazil(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Brazil Minas Gerais

Comments on the location information

  • USED CUIABA VILLAGE AS LOCATION

Commodities

Commodity Importance
Gold Primary

Comments on the commodity information

  • ELECTROM RANGES FROM 5 TO 60 MICRONS BUT SOME UP TO 150 MICRONS

Materials information

Materials Type of material
Gold Ore
Pyrite Ore
Pyrrhotite Ore
Scheelite Ore
Albite Gangue
Graphite Gangue
Quartz Gangue
Rutile Gangue

Analytical data

Result MINERALIZED ROCK: AVERAGES 120 PPM CU, 50 PPM PB, 0.6% AS2O3, AND 12%

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Chemical Sediment > Iron Formation
    Rock unit name Rio Das Velhas Supergroup
    Rock description Rio Das Velhas Supergroup
    Stratigraphic age (youngest) Neoarchean
    Stratigraphic age (youngest) Neoarchean

Nearby scientific data

(1) -43.74589, -19.85305

Economic information

Ore body information

  • General form BLADE-LOKE
    Thickness 15M
    Length 1400M
    Width 1500M

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1740

Ownership information

  • Type Operator
    Owner St. John Del-Rey Mining
    First year 1877
    Last year 1910
  • Type Operator
    Owner Mineracao Morro Velho
    First year 1974
    Last year 1977
  • Type Operator
    Owner Grupo Bozzano-Simonsem (Anglo-American)
    First year 1977

Production statistics

  • Year 1988
    Material ORE(1)
    Description Ap_Grade: ^11.4 G/T Au, 6:1 Au/Ag
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Silver Silver 6g/mt
    Ore Gold Gold 11g/mt
  • Year 1988
    Material ORE(2)
    Description Ap_Grade: ^10 G/T Au
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Gold Gold 10g/mt

Comments on the production information

  • GRADE RANGES 4.7-15.0 G/T AU; ORE(2) FROM VIAL, MINING CAPACITY 1200 METRIC TONS/DAY

Comments on development

  • 1910-1920 INTERMITTENT WORK, 1920-1930 STOPPED ALL WORK, 1977 NEW EXPLORATION BEGAN AND BEGAN PRODUCING IN 1986.

Reference information

Bibliographic references

  • Deposit

    VIAL, D.S., 1988, A MINA DE OURO DE CUIABA, QUADRILATERO FERRIFERO, MINAS GERAIS IN SCHOBBENHAUS BRASIL; V. 3, P. 413-419.

  • Deposit

    CEASAR, P. DE A.B., 1984, PRINCIPIAS DEPOSITOS MINERAIS: CONCEITOS, METODOLOGIA E LISTAGEM IN SCHOBBENHAUS, C., AMEIDA CAMPOS, D., DERZE, G.R., AND ASMUS, H.E., EDS., GEOLOGIA DO BRASIL: BRASILIA, DEPARTAMENTO NACIONAL DA PRODUCAO MINERAL, P. 249-419.

  • Deposit

    LADEIRA, E.A., 1991, GENESIS OF GOLD IN QUADRILATERO FERRIFERO, A REMARKABLE CASE OF PERMANENCY, RECYCLING AND INHERITANCE - A TRIBUTE TO DJALMA GUIMARAES, PIERRE ROUTHIER AND HANS RAMBERG: IN BRAZIL GOLD '91 E.A. LADEIRA, ED., BALKEMA ROTTERDAM, P. 11-30.

  • Other Database

    CIMRI

  • Production

    VIAL (1988), CEASAR (1988)

General comments

Subject category Comment text
Deposit ORE BODIES SPREAD OVER 1500 M LINEAR EXTENT IN SHAPE OF AN ELLIPSE CAUSED BY INTERSECTION FOLDS. THICKNESS RANGES FROM 6-15 M. WIDTH REPRESENTS DOWN PLUNGE EXTRENSION OF BLADED ORE BODIES.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-1993 Page, Norman J. U.S. Geological Survey

Beyond USGS

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