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Barra Verde and Barra Vermelho Mines

Producer in Rio Grande Do Norte, Brazil with commodities Tungsten, Bismuth
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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. Mineral occurrence model information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Ownership information
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10085128
MRDS ID W700665
Record type Site
Current site name Barra Verde and Barra Vermelho Mines

Geographic coordinates

Geographic coordinates: -36.53555, -6.28333 (WGS84)
Location accuracy 10000(meters)
Relative position 12 KM SOUTH OF CURRAIS NOVOS.

Site location context

Political divisions (FIPS codes)

Rio Grande Do Norte(province)

Brazil(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Brazil Rio Grande Do Norte

Commodities

Commodity Importance
Tungsten Critical Primary
Bismuth Critical Secondary

Materials information

Materials Type of material
Bismutite Ore
Molybdenite Ore
Scheelite Ore
Epidote Gangue
Fluorite Gangue
Garnet Gangue
Hornblende Gangue
Quartz Gangue
Vesuvianite Gangue

Mineral occurrence model information

Model code 42
USGS model code 14a
Deposit model name W skarn

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Schist > Mica Schist
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Serido Formation
    Rock description Serido Formation

Nearby scientific data

(1) -36.53555, -6.28333
ListMap

Economic information

Ore body information

  • Length 2500M

Comments on the geologic information

  • EARLY WORKINGS RECOVERED SCHEELITE FROM ELUVIAL AND ALLUVIAL GRAVELS.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No
Discovery year 1943

Ownership information

  • Type Operator
    Owner Barra Vermelho: Tomaz Salustiano Gomes De Melo ); Barra Verde: Jose Leonidas )
    First year 1943

Comments on development

  • ORE PRODUCTION CAPACITY BETWEEN 150,000 AND 300,000 TONNES/YEAR.

Reference information

Bibliographic references

  • Deposit

    MINING MAGAZINE, JANUARY 1989, P. 46.

  • Deposit

    JOHNSTON, W.D., JR., AND MOACYR DE VASCOCELLOS, F., 1945, SCHEELITEE IN NORTHEASTERN BRAZIL: ECONOMIC GEOLOGY, V. 40, NO. 1, P. 34-50.

  • Deposit

    JOHNSTON, W.D., JR., 1944, AS MINAS DE SCHEELITA DE BARRA VERDE, BARRO VERMELHO, BODO E CAFUCA, RIO GRANDE DO NORTE: MINERACAO E METALURGIA, V. 8, NO. 4, P. 95-100.

General comments

Subject category Comment text
Deposit BOTH MINES ARE IN SAME LIMESTONE LENS WHICH CAN BE TRACED FOR ABOUT 3.5 KM IN N-S DIRECTION. AT NORTH END IS 150 M THICK DIPPING 50W; TOWARD SOUTH IT FLATTENS TO 40 AND AT SOUTH END IS 25 M THICK AND 85W. BARRA VERDE HAS GRANITE TO THE WEST.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-89 Beougher, Dee (Spanski, Gregory T.) U.S. Geological Survey

Beyond USGS

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

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