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Barreiro

Past Producer in Minas Gerais, Brazil with commodity Iron
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Host and associated rocks
  7. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Mining district
  10. Ownership information
  11. Links to other databases
  12. Bibliographic references
  13. Reporter information

Geologic information

Identification information

Deposit ID 10081068
MRDS ID W032767
Record type Site
Current site name Barreiro
Alternate or previous names Mannesman, Mutuca, Mutuca I

Geographic coordinates

Geographic coordinates: -43.98534, -20.01693 (WGS84)
Location accuracy 1000(meters)
Relative position 15 KM SOUTH OF BELO HORIZONTE

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

  • ARBITRARY POINT ON HIGH POINT IN SERRA DO BARREIRO

Commodities

Commodity Importance
Iron Primary

Analytical data

Result CANGA AND LIMONITIZED RUBBLE: 55-62% FE, 0.35% P, ITABIRITE: 66% FE, 0.12%P
Result IRON FORMATION: 58% FE, 0.23% P

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Chemical Sediment > Iron Formation
    Rock unit name Caue Formation, Itabira Group, Minas Series
    Rock description Caue Formation, Itabira Group, Minas Series
    Stratigraphic age (youngest) Paleoproterozoic

Nearby scientific data

(1) -43.98534, -20.01693
ListMap

Economic information

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Quadrilatero Ferrifero

Ownership information

  • Type Owner-Operator
    Owner Mannesman Mineracao Ltd.

Comments on the workings information

  • 86 M ADIT, 54 M OF CANGA, 54-72 M OF ITABIRITE, 72-86 M LOWER GRADE IRON FORMATION

Comments on development

  • ECON.COM: MINE, SCREENING AND CRUSHING PLANT.

Reference information

Bibliographic references

  • Deposit

    POMERENE, J.B., 1962 GEOLOGY AND ORE DEPOSITS OF THE BELO HORIZONTE, IBIRITE AND MACACOS QUADRANGLES, MINAS GERAIS, BRAZIL: U.S. GEOLOGICAL SURVEY PROF. PAPER 341-D 83 P.

  • Deposit

    E/MJ 1978, MM 1980

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-80 Gassaway, Judith S. U.S. Geological Survey
Updater 01-APR-94 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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