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Fabrica

Past 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. Host and associated rocks
  8. Nearby scientific data
  9. Geologic structures
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Ownership information
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10065517
MRDS ID TC40857
Record type Site
Current site name Fabrica

Geographic coordinates

Geographic coordinates: -41.62838, -14.19213 (WGS84)
Location accuracy 10000(meters)

Site location context

Political divisions (FIPS codes)

Bahia(province)

Brazil(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Brazil Bahia

Comments on the location information

  • BELOW QUARTZITE CLIFFS AT SOUTH EDGE OF CATBOABA VALLEY.

Commodities

Commodity Importance
Magnesite Primary

Comments on the commodity information

  • IN THE DISTRICT, KYANITE, TOURMALINE, TOPAZ, BERYL, PHLOGOPITE IN OPEN FISSURES AND VUGS LINED WITH MAGNESITE CRYSTALS AND QUARTZ. KYANITE, TOURMALINE, PHLOGOPITE, AND DOLOMITE WERE OBSERVED IN COARSE-GRAINED TALC. KYANITE WAS MOST COMMON. BERYLS ARE GREEN AND BLUE. TOPAZ LEAST COMMON.

Materials information

Materials Type of material
Magnesite Ore
Hematite Gangue
Quartz Gangue
Talc Gangue

Analytical data

Result MAGNESITE (15 SAMPLES): 0.86% CAO, 0.08% MNO
Result WHITE MAGNESITE (10 SAMPLES): 0.94% FE2O3
Result 0.43% AL2O3
Result MAGNESITE (15 SAMPLES): 0.41-2.24% SIO2, 42.62-46.95% MGO.

Host and associated rocks

  • Host or associated Associated
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Dolomite

Nearby scientific data

(1) -41.62838, -14.19213
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description E Limb Of N Plunging Syncline.

Ore body information

  • Length 625M
    Width 42M
    Depth to bottom 135M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Significant No
Discovery year 1939
Discoverer Pierre Cahen And Georges Minvielle.
Year of last production 1945

Mining district

District name Brumado, Serra Das Eguas

Ownership information

  • Type Operator
    Owner Magnesita Ltda. . Magnesita S. A. .
    First year 1939
    Last year 1940
  • Type Owner
    Owner Magnesita Ltda. . Magnesita S. A. .
    First year 1939
    Last year 1940

Comments on the production information

  • REPRESENT THE WHOLE DISTRICT.

Comments on the reserve resource information

  • MGS (1) INDICATED ORE IN TONS PER METER OF DEPTH; MGS (2) INFERRED ORE IN TONS PER METER OF DEPTH.

Reference information

Bibliographic references

  • Analytical Data

    BODENLOS (1954).

  • Deposit

    BODENLOS, A.J., 1954, MAGNESITE DEPOSITS IN SERRA DAS EGUAS, BRUMADO, BRAZIL: U.S. GEOLOGICAL SURVEY BULLETIN. 975-C, 87-170.

  • Deposit

    DE AZEVEDO BRANCO, P.C., 1984, PRINCIPAIS DEPOSITOS MINERAIS: CONCEITOS, METHODOLOGIA E LISTAGEM, CAPITULO IX IN C. SCHOBBENHAUS, D. DE ALMEIDA CAMPOS, G.R. DERZE, AND H.E. ASMUS, EDS., GEOLOGIA DO BRASIL: DEPARTAMENTO NACIONAL DA PRODUCAO MINERAL, P. 359-419.

  • Other Database

    CIMRI

  • Production

    DE AZEVEDO BRANCO (1984).

  • Reserve-Resource

    BODENLOS (1954). DE AZEVEDO BRANCO (1984).

General comments

Subject category Comment text
Deposit SIZE FOR OUTCROP VOLUME.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1994 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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