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  3. Mineral Resource Data System (MRDS)

Brejui

Producer in Rio Grande Do Norte, Brazil with commodity Tungsten
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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. Ownership information
  12. Production statistics
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10206873
MAS/MILS ID 3510350001
Record type Site
Current site name Brejui
Alternate or previous names Mina Brejui, Mina Barro Vermelho, Currais Novo

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -36.49888, -6.16476 (WGS84)
Elevation 350
Location accuracy 5000(meters)

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

Materials information

Materials Type of material
Epidote Unknown
Garnet Unknown
Hornblende Unknown
Molybdenite Unknown
Scheelite Unknown
Vesuvianite Unknown

Nearby scientific data

Ore Body (1) -36.49888, -6.16476
ListMap

Economic information

Ore body information

  • Strike N10E
    Dip 12S
    Thickness 5M
    Length 100M
    Width 30M
    Depth to top 30M
    Field Value
    Type of Orebody #1 REPLACEMENT
    Shape of Orebody #1 LENTICULAR
    Type of Orebody #2 DISSEMINATED
    Primary mode of Origin CONT METASOMATIC
    Primary Ore Control LITHOLOGY
    Degree of Wallrock Alter. INTENSE
    Type of Wallrock Alter. #1 CARBONATE SILIC
    Strike And Dip N10E:12S
    Date of Last Modification 830909

Economic information about the deposit and operations

Operation type Surface-Underground
Development status Producer
Commodity type Metallic
Significant Yes
Discovery year 1943
Mining method Open Stope - Room and Pillar
Year of first production 1943
Milling method Gravity

Mining district

District name Currais Novos

Ownership information

  • Type Owner-Operator
    Owner Mineracao Tomaz Salustino, S. A.
    Interest 100
    Home office Brazil
    Year 1990

Production statistics

  • Year 1990
    Description Concentrates Avg 72 Pct W03 No Tonnage #
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Tungsten Tungsten 72wt-pct

Comments on the reserve resource information

  • RESOURCES AS OF 1/83 MOLYBDENUM AND BISMUTH OFTEN OCCUR WITH THE SCHEELITE AT THIS MINE. BREJUI PRODUCES 40-50 MT/MONTH OF CONCENTRATES AT 72 PCT. WO3.
  • ROSKILL INFORMATION SERVICES LTD: THE ECONOMICS OF TUNGSTEN 1990 SIXTH ED.

Workings at the site

  • Type of workings Underground
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ACTUAL
    Mining Method ROOM AND PILLAR 10-34
    Percent Recovery 85
    Hardness of Rock HARDROCK FISSURED WITH MODERATE WATER
    Rock Characteristics ONE SYSTEM OF WEAKNESS PLANES
    Capacity 592
    Capacity Units MT ORE/DAY
    Unit Production Cost 9.8
    Units of Production $/MT ORE
    Operating Days per Year 320
    Operating Shifts per Day 2
    Year of Information 1982

Comments on other economic factors

  • "WOLFRAM" IS A SUBSIDIARY OF MINERACAOTOMAS SALUSTINO.

Reference information

Bibliographic references

  • Deposit

    BARBOSA, F.L.M., 1973A, THE ECONOMIC POTENTIAL OF TUNGSTEN I

  • Deposit

    EAST BRAZIL, IN INTERNATIONAL ECONOMICS OF MINERALS AND

  • Deposit

    COLO. SCHOOL OF MINES QUART., V.68, NO.4, P.115-162.

  • Deposit

    EBERT, HEINZ, 1970, THE PRECAMBRIAN GEOLOGY OF THE BORBOREMA

  • Deposit

    (STATES OF PHRAIBA AND RIO GRANDE DE NORTE, N.E. BRAZIL)

  • Deposit

    THE ORIGIN OF ITS MINERAL PROVINCES: GEOL. RUNDSCH., V.5

  • Deposit

    NO. 3, PP. 1292-1326.

  • Deposit

    JOHNSTON, W.D. AND DE VASCONCELLOS, F.M., 1995, SCHEELITE IN

  • Deposit

    BRAZIL: ECON. GEOL., V.40, NO. 2, PP. 34-50.

  • Deposit

    VASCONCELLOS, F.M., DE, 1964, INSPECCAO A MINA DE SCHEELITA

  • Deposit

    ENG. MIN. MET., V. XL, NO. 280, PP. 229-232.

  • Deposit

    LEFOND, S.J., 1973, BRAZILIAN MINING: RELAXED GOVT ATTITUDE

  • Deposit

    THE WAY FOR EXPLOITING CRITICAL RESERVES: MIN. ENG., V.2

  • Deposit

    PP. 31-45.

  • Deposit

    BARBOSA, F.L.M., 1973, PERFIL ANALITICO DO TUNGSTENIO: DNPM

  • Deposit

    NO. 24, RIO DE JANEIRO, 69 P.

  • Deposit

    LOBO, G., TUNGSTEN BRAZIL. A REPORT TO DAVY MCKEE. SAO

  • Deposit

    PAULO, BRAZIL. NOV. 1981.

  • Deposit

    SALUSTINO, GRUPO T.; RELATORIO 76/77.

  • Deposit

    YIN, STEPHEN, W.H. AND WANG, CHUN, T., "TUNGSTEN: SOURCES,

  • Deposit

    METALLURGY, PROPERTIES, AND APPLICATIONS". PLENUM

  • Deposit

    PRESS NEW YORK.

General comments

Subject category Comment text
Deposit OPEN PIT MINING CONDUCTED ON AN ERRATIC BASIS. ON THE AVERAGE, OPEN PIT PRODUCTION ACCOUNTS FOR 5 PERCENT OF THE TOTAL PRODUCTION. THE ATP PLANT PROCESSES 300 MT OF CONCENTRATES/YR AT 57 PERCENT W. OUTPUT IS 220 MT/YR OF ATP AT 71 PERCENT W. RECOVERY AT THIS PLANT IS 90 PERCENT. LARGEST TUNGSTEN MINE IN BRAZIL, AS OF 1990.

Reporter information

Type Date Name Affiliation Comment
Reporter 15-SEP-92 Bleiwas, Donald 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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