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Brumado Magnesite Deposit

Producer in Bahia, Brazil with commodity Magnesite
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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. Geologic structures
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Ownership information
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10069054
MRDS ID W002339
Record type Site
Current site name Brumado Magnesite Deposit

Geographic coordinates

Geographic coordinates: -41.80977, -14.19991 (WGS84)
Relative position JUST WEST OF TOWN OF BRUMADO IN SERRA DAS EGUAS

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
Magnesite Primary

Materials information

Materials Type of material
Magnesite Ore
Beryl Gangue
Kyanite Gangue
Talc Gangue
Topaz Gangue
Tourmaline Gangue

Nearby scientific data

(1) -41.80977, -14.19991
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Economic information

Geologic structures

Type of structure Regional
Structure description Closed And Other Complex Folds

Ore body information

  • General form LENTICULAR
    Plunge S
    Thickness 165M
    Length 1300M
    Width 810M
    Depth to top 130M

Comments on the geologic information

  • LIME AND IRON OXIDE CONTENT IN THE MAGNESITE IS LOW, BUT TWO MAGNESITE DEPOSITS ARE COLORED RED DUE TO DISSEMINATED IRON OXIDE (HEMATITE). MINERALIZATION OCCURRED IN THE EOCAMB.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No
Discovery year 1939

Ownership information

  • Type Owner-Operator
    Owner Magnesita S. A. Of Belo Horizonte

Comments on the reserve resource information

  • 1) THIS ITEM IS MEASURED RESERVE. 2) THIS ITEM IS PROBABLE RESERVE 3) THIS ITEM IS POSSIBLE RESERVE.

Comments on the workings information

  • THE ABOVE STRIKE AND DIP REFER TO THE SYNCLINAL STRUCTURE. THE OTHER MEASUREMENTS REFER TO A DEPOSIT.

Comments on development

  • NINE DEPOSITS ARE KNOWN, FIVE ARE MAJOR SIZE.

Reference information

Bibliographic references

  • Deposit

    BODENLOS, A.J., 1950, MAGNESITE DEPOSITS IN THE SERRA DAS ENGUAS, BRUMADO BAHIA, BRAZIL.

  • Deposit

    BODENLOS, A.J., 1950, MAGNESITE DEPOSITS IN THE SERRA DAS EQUAS, BRUMADOK, BAHIA, BRAZIL: U.S. GEOLOGICAL SURVEY BULLETIN 975-C.

General comments

Subject category Comment text
Deposit THE ROCKS IN THIS BASEMENT COMPLEX WERE FOLDED INTO A LARGE SYNCLINAL STRUCTURE WHICH FORMS THE SERRA DAS EGUAS MOUNTAINS INTRUDED BY AMPHIBOLITE AND RHYOLITE DIKES.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1974 Warfle, Thomas M. U.S. Geological Survey

Beyond USGS

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

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