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  3. Mineral Resource Data System (MRDS)

Bananal

Past Producer in Minas Gerais, Brazil with commodity Mica
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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. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Ownership information
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10105402
MRDS ID TC42486
Record type Site
Current site name Bananal
Alternate or previous names Mine Sections: Discovery, Pedra Louca, Boa Vista Cangalha

Geographic coordinates

Geographic coordinates: -41.78586, -18.27864 (WGS84)
Elevation 800
Location accuracy 10000(meters)
Relative position 12 KM EAST OF RAMALHETA, 26 KM NE OF COROACI.

Site location context

Political divisions (FIPS codes)

Minas Gerais(province)

Brazil(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Brazil Minas Gerais

Comments on the location information

  • EAST SLOPE OF SAO MATIAS PEQUENO CREEK IN THE SERRA DOS LOURENCOS.

Commodities

Commodity Importance
Mica Primary

Materials information

Materials Type of material
Muscovite Ore
Garnet Gangue
Plagioclase Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Metamorphic Rock > Schist
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Plutonic Rock > Pegmatite

Nearby scientific data

(1) -41.78586, -18.27864
ListMap

Economic information

Ore body information

  • General form LENSES
    Strike N5-30E
    Dip 20-50E
    Thickness 4M
    Length 120M
    Width 80M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Non-metallic
Significant No
Discovery year 1933

Mining district

District name Governador Valadares Area

Ownership information

  • Type Operator
    Owner Santos-Nogueira Co.
    First year 1942
  • Type Owner
    Owner Mineracao Rio Doce, Ltda .
    First year 1944

Comments on the production information

  • ORE (1) COVERS PERIOD AUGUST 1943 TO APRI L 1944; ABOUT 5% OF SHEET MICA RECOVERED FROM MINE-RUN MICA; UNDERGROUND (MAY, 1944 - APRIL, 1945) MOVED 2,500 CUBIC METERS TO PRODUCE 301 MT OF CRUDE MICA BY OPEN ROOM AND PILLARS.

Comments on the reserve resource information

  • ORE (1) MEASURED AND INDICATED RESERVES IN PEDRA LOUCA AND BOA VISTA SECTION.

Reference information

Bibliographic references

  • Deposit

    PECORA, W.T., KLEPPER, M.R., LARRABEE, D.M., BARBOSA, A.L.M., AND FRAYHA, RESK, 1950, MICA DEPOSITS IN MINAS GERAIS, BRAZIL: U.S. GEOLOGICAL SURVEY BULLETIN 964-C, P. 205-305.

  • Deposit

    PECORA, W.T., AND BARBOSA, A.L.M., 1944, THE BANANAL MICA MINE, MUNICIPIO OF PECANHA, STATE OF MINAS GERAIS, BRAZIL: U.S. GEOLOGICAL SURVEY UNPUBLISHED REPORT 7P.

  • Other Database

    CIMRI

  • Production

    PECORA AND BARBOSA (1944).

General comments

Subject category Comment text
Deposit THICKENED BY GENTLE PLUNGING FOLD.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-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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