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Tres Barras

Past Producer in Minas Gerais, Brazil with commodities Zirconium, Uranium
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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. Alteration
  8. Host and associated rocks
  9. Nearby scientific data
  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 10099555
MRDS ID TC40889
Record type Site
Current site name Tres Barras

Geographic coordinates

Geographic coordinates: -46.92483, -21.93856 (WGS84)
Location accuracy 10000(meters)
Relative position 18 KM S OF POCOS DE CALDAS.

Site location context

Political divisions (FIPS codes)

Minas Gerais(province)

Brazil(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Brazil Minas Gerais
Brazil Sao Paulo

Comments on the location information

  • 350 KM NW OF RIO DE JANEIRO.

Commodities

Commodity Importance
Zirconium Critical Primary
Uranium Secondary

Materials information

Materials Type of material
Zircon Ore

Alteration

  • (Local) Green, Yellow, White Clay

Analytical data

Result EASTERN ZONE 121 M CHANNEL SAMPLES: 0.18% EU
Result 4 CHANNEL SAMPLES: 0.51% EU. WESTERN ZONE, 1 CHANNEL SAMPLE: 0.21%EU.

Host and associated rocks

  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Alkalic Volcanic Rock > Phonolite
    Rock unit name Pocos De Caldas Alkaline Intrusive
    Rock description Pocos De Caldas Alkaline Intrusive

Nearby scientific data

(1) -46.92483, -21.93856
ListMap

Economic information

Ore body information

  • Name EASTERN ZONE
    General form LENSES, POCKETS
    Dip }
    Thickness 0.3M
    Length 340M
    Width 11M
  • Name WESTERN ZONE
    General form LENSES, POCKETS
    Dip }

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Significant No

Mining district

District name Pocos De Caldas Plateau, South Central Area

Ownership information

  • Type Operator
    Owner Contractors
  • Type Owner
    Owner Companhia Geral De Minas, Subsidary Of Byington (1950'S).

Comments on the production information

  • UNKNOWN LITTLE DEVELOPED PRODUCER

Comments on the workings information

  • TRENCHES AND 11 M DEEP SHAFT.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit ORE BODY 1: POORLY EXPOSED, BLEBS OF ORE UP TO 1 CM IN DIAMETER.

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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