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  3. Mineral Resource Data System (MRDS)

Onca

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

Geologic information

Identification information

Deposit ID 10065473
MRDS ID TC40784
Record type Site
Current site name Onca
Alternate or previous names Paredao

Geographic coordinates

Geographic coordinates: -43.24894, -19.61972 (WGS84)
Location accuracy 2000(meters)
Relative position 80 KM NE OF BELO HORIZONTE, Estimate +/- 1 Min, Estimate +/- 1 Min

Site location context

Political divisions (FIPS codes)

Minas Gerais(province)

Brazil(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Brazil Minas Gerais

Commodities

Commodity Importance
Iron Primary

Materials information

Materials Type of material
Hematite Ore
Quartz Gangue

Mineral occurrence model information

Model code 241
USGS model code 34a
Deposit model name Superior Fe (BC name is Lake Superior & Rapitan types iron-formation)

Host and associated rocks

  • Host or associated Associated
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Rock unit name Nova Lima Group, Rio Das Velhas Series;Caraca Group, Minas Series;Piracicaba Group, Minas Series
    Rock description Nova Lima Group, Rio Das Velhas Series;Caraca Group, Minas Series;Piracicaba Group, Minas Series
    Stratigraphic age (youngest) Paleoproterozoic
    Chronological age 2250
  • 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

Nearby scientific data

(1) -43.24894, -19.61972
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Dip Slope Of Colluvial And Hematite Ore, Reverse Fault.

Ore body information

  • Strike NE
    Dip 40-80 SE
    Length 2000M
    Width 220M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Significant No

Mining district

District name Itabira District

Ownership information

  • Type Operator
    Owner Companhia Acos Especiais De Itabira (Acesita)
    First year 1945

Reference information

Bibliographic references

  • Deposit

    DORR, J.V.N., DE MIRANDA BARBOSA, A.L., 1963, GEOLOGY AND ORE DEPOSITS OF THE ITABIRA DISTRICT, MINAS GERAIS, BRAZIL: U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 341-C, 110 P.

  • Deposit

    V. DE MELO, M.T., BORBA, R.R, COELHO, W.A., 1986, O DISTRITO FERRIFERO DE ITABIRA: MINAS DO CAUE, CONCEICAO, DOIS CORREGOS, PERIQUITO, ONCA, CHACRINHA, E ESMERIL, IN PRINCIPAIS DEPOSITOS MINERAIS DO BRASIL, EDS. C. SCHOBBENHAUS ANS C.E.S. COELHO: MINISTERIO DAS MINAS E ENERGIA, BRASILIA, V II, P. 7-28.

  • Other Database

    CIMRI

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-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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