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Caraiba Copper Deposit

Producer in Bahia, Brazil with commodities Copper, Nickel, Cobalt, Gold, Silver, Talc-Soapstone, 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. Materials information
  7. Host and associated rocks
  8. Nearby scientific data
  9. Geologic structures
  10. Ore body information
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Ownership information
  15. Reserves and resources
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10068855
MRDS ID W002123
Record type Site
Current site name Caraiba Copper Deposit
Alternate or previous names Jaguiarari, Caraiba

Geographic coordinates

Geographic coordinates: -39.86421, -9.8501 (WGS84)
Location accuracy 2000(meters)
Relative position ABOUT 48 KM SSW OF BARRO VERMELHO. 360 KM NW OF SALVADOR.

Site location context

Political divisions (FIPS codes)

Bahia(province)

Brazil(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Brazil Bahia
Brazil Bahia
Brazil Bahia

Commodities

Commodity Importance
Copper Primary
Nickel Critical Secondary
Cobalt Critical Secondary
Gold Secondary
Silver Secondary
Talc-Soapstone Secondary
Phosphorus-Phosphates Secondary

Materials information

Materials Type of material
Bismuthinite Ore
Bornite Ore
Chalcocite Ore
Chalcopyrite Ore
Chrysocolla Ore
Covellite Ore
Cubanite Ore
Digenite Ore
Malachite Ore
Millerite Ore
Pentlandite Ore
Pyrite Ore
Pyrrhotite Ore
Sphalerite Ore
Talc Ore
Tetrahedrite Ore
Forsterite Gangue
Hornblende Gangue
Ilmenite Gangue
Magnetite Gangue
Phlogopite Gangue

Analytical data

Result OPEN PIT GRADE IS 0.97% CU AND UNDERGROUND GRADE IS 1.28% CU. MINING MAGAZINE (1976) REPORTED THE FOLLOWING CONCENTRATE ANALYSIS: CU = 34.1%, FE = 15.6%, S = 21.3%, SIO2 = 14.5%, AL2O3 = 2.5%, CAO = 1.7%, MGO = 5.2%, ZN = 0.04%, PB = 0.01%, AS = 5 PPM, SB = 10 PPM, BI = 0.01%, CD = 0.01%, NI = 0.26%, CO = 0.02%, AU = 1.2 PPM, AG = 36 PPM, MO = 6 PPM. LEWIS (1966) HAS SOIL, STREAM SEDIMENT GEOCHEMICAL DATA INCLUDING MAPS OF CU, CO, NI AND ZN DISTRIBUTIONS IN SOILS.

Host and associated rocks

  • Host or associated Associated
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Associated
    Rock type Metamorphic Rock > Gneiss
    Rock unit name Supracrustal;Infracrustal;Syntectonic
    Rock description Supracrustal;Infracrustal;Syntectonic
  • Host or associated Associated
    Rock type Metamorphic Rock > Amphibolite
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Gabbro > Norite
  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Pyroxenite > Orthopyroxenite

Nearby scientific data

(1) -39.86421, -9.8501
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Northerly Trending Folds Plunging To The South.

Ore body information

  • General form ONE DEPOSIT IS CIRCULAR, THE OTHER IS LONG AND LENTICULAR
    Strike NORTH-SOUTH
    Dip 70W
    Thickness 200M
    Length 1200M
    Width 600M
    Depth to bottom 700M

Controls for ore emplacement

  • Ore In Layered Sequences With Norite And Pyroxenite Occurs In East Limb Of Sse Plunging Anticline.

Economic information about the deposit and operations

Development status Producer
Commodity type Both
Significant No
Discovery year 1578
Discoverer Gabriel Soares

Mining district

District name Vale Do Rio Curaca

Ownership information

  • Type Operator
    Owner Dnpm (1940'S); Caraiba Metais S/A.
  • Type Owner
    Owner Caraiba Metais S. A.; Grupo Industrial Pignatari
    First year 1960

Reserves and resources

  • Type In-situ
    Estimate year 1980
    Measured 150200000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 0.99 wt-pct Copper Major 1980
  • Type In-situ
    Estimate year 1940
    Total resources 392000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 1 wt-pct Copper Major 1940

Reference information

Bibliographic references

  • Deposit

    WRITTEN COMMUNICATION FROM M.G. WHITE

  • Deposit

    DE LIMA E SILVA, F.G., CAVALCANTE, P.R.B., DE SA E.P., D'EL REY SILVA, L.J.H., AND MACHADO, J.C.M., 1988, DEPOSITO DE COBRE DE CARAIBA E O DISTRITO CUPRIFERO DO VALE DO RIO CURACA, BAHIA, IN PRINCIPAIS DEPOSITOS MINERAIS DO BRASIL, EDS., C. SCHOBBENHAUS AND C.E.S. COELHO: MINISTERIO DAS MINAS E ENERGIA, BRASILIA, V. III, P. 11-32.

  • Deposit

    ANUARIO MINERAL BRASILEIRO, 1980.

  • Deposit

    MINING MAGAZINE, DEC. 1976, P. 527-535.

  • Deposit

    MINING MAGAZINE, JUNE 1981, P. 483-484.

  • Deposit

    MINING MAGAZINE, V. 292, NO. 7502, P. 423.

  • Deposit

    LEWIS, R.W., 1966, A GEOCHEMICAL INVESTIGATION OF THE CARAIBA DEPOSIT, BAHIA, BRAZIL: U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 550C, P. C190-C196.

  • Deposit

    TOWNEND, R., FERREIRA, P.M., FRANKE, N.D., COMPANHIA VALE DO RIO DOCE, 1980, CARAIBA, A NEW COPPER DEPOSIT IN BRAZIL: APPLIED EARTH SCIENCE, V. 89, P. B159-B164.

  • Production

    DE LIMA E SILVA AND OTHERS (1988).

  • Reserve-Resource

    ANUARIO MINERAL BRASILEIRO (1980).

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-74 Warfle, Thomas M. U.S. Geological Survey
Updater 01-DEC-94 Page, Norman J. U.S. Geological Survey
Updater 15-JUL-94 Page, Norman J. U.S. Geological Survey
Updater 01-JAN-88 Leonard, Kenneth R. U.S. Geological Survey
Updater 12-JUN-95 Pierce, Herbert A. U.S. Geological Survey

Beyond USGS

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

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