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Garimpo De Carnaiba

Producer in Bahia, Brazil with commodities Gemstone, Molybdenum
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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. Economic information about the deposit and operations
  10. Links to other databases
  11. Bibliographic references
  12. General comments
  13. Reporter information

Geologic information

Identification information

Deposit ID 10068854
MRDS ID W002122
Record type Site
Current site name Garimpo De Carnaiba
Alternate or previous names Carnaiba Emerald Deposit

Geographic coordinates

Geographic coordinates: -40.58227, -10.39785 (WGS84)
Relative position ABOUT 9 KM NW OF PINDOBACU

Site location context

Political divisions (FIPS codes)

Bahia(province)

Brazil(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Brazil Bahia

Commodities

Commodity Importance
Gemstone Primary
Molybdenum Primary

Materials information

Materials Type of material
Alexandrite Ore
Beryl Ore
Emerald Ore
Molybdenite Ore
Scheelite Ore
Apatite Gangue
Muscovite Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Plutonic Rock > Pegmatite
    Rock unit name Unit 1, Jacobina Group
    Rock description Unit 1, Jacobina Group

Nearby scientific data

(1) -40.58227, -10.39785
ListMap

Economic information

Economic information about the deposit and operations

Development status Producer
Commodity type Both
Significant No
Discovery year 1925

Comments on the production information

  • INFORMATION OBTAINED BY DEPARTMENTO NACIONAL DA PRODUCAO MINERAL AND MINISTRY OF MINES AND ENERGY ON EMERALD MINING IN THE DEPOSITS IN CARNAIBA, BAHIA, BRAZIL. CONC IS MOLYBDENITE.

Comments on the reserve resource information

  • NO ESTIMATES OF RESERVES OR RESOURCES OF EMERALDS AVAILABLE. RESULTS IN POSSIBLE PRODUCTION 600,000 CARATS PER YEAR AT 40 DOLLARS PER CARAT

Comments on development

  • NO SYSTEMATIC MAPPING AND GEOLOGIC INVESTIGATION OF DEPOSITS IS KNOWN BOTH BY PUBLIC OR PRIVATE ORGANIZATION. NO ESTIMATE OF RESERVES OR RESOURCES OF EMERALDS IS AVAILABLE ; ECON.COM: DEPTH OF ORE AND PROXIMITY TO PROCESSING PLANT MAY BE FACTORS LIMITING DEVELOPMENT

Reference information

Bibliographic references

  • Deposit

    WHITE, M.G.; 1-16-74; BRAZILIAN EMERALDS MEMO

  • Deposit

    BRUNI, M.A.L., 1976, CARTA GEOLOGICA DO BRASIL AO MILIONESIMO; FOLHA ARACAJU (SC 24) MINISTERIO DAS MINAS E ENERGIA, DEPARTMENTO NACIONAL DA PRODUCAO MINERAL, BRASILIA, 226 P.

  • Deposit

    COMPILE DNPM

  • Deposit

    WHITE, M.G., BRAZILIAN EMERALDS MEMORANDUM.

  • Production

    WHITE, M.G.; 1974; BRAZILIAN EMERALDS; BRUNI, M.A.L. (1976)

General comments

Subject category Comment text
Deposit THE EMERALDS ARE KNOWN TO OCCUR IN AN AREA OF 200 SQUARE KILOMETERS.
Deposit Discovery Year: EARLY TWENTIETH CENTURY

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1974 Warfle, Thomas M. U.S. Geological Survey
Updater 29-JUN-1995 Page, Norman J. U.S. Geological Survey

Beyond USGS

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

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