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Rio Vermelho

Occurrence in Para, Brazil with commodities Nickel, Iron, Magnesite, Silica, Ferrosilicon, Cobalt
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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. Reserves and resources
  10. Links to other databases
  11. Bibliographic references
  12. Reporter information

Geologic information

Identification information

Deposit ID 10060672
MRDS ID TC30090
Record type Site
Current site name Rio Vermelho

Geographic coordinates

Geographic coordinates: -49.83245, -6.56473 (WGS84)
Relative position 20 KM W. NEAR SERRA DO RABO.

Site location context

Political divisions (FIPS codes)

Para(province)

Brazil(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Brazil Para

Commodities

Commodity Importance
Nickel Critical Primary
Iron Primary
Magnesite Primary
Silica, Ferrosilicon Primary
Cobalt Critical Secondary

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock
    Stratigraphic age (youngest) Neoarchean

Nearby scientific data

(1) -49.83245, -6.56473
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Economic information

Comments on the geologic information

  • TWO ULTRAMAFIC BODIES (VI AND V2) IN XINGU COMPLEX, CONSISTING OF PERIDOTITE, DUNITE, PYROXENITE AND GABBRO FORM FLAT SUFACES AT ABOUT 500 M ABOVE SEA LEVEL AND 200-250M ABOVE SURROUNDING AREA. SECTION (TOP TO BOTTOM): (1) FERRUGINOSES MAGNETIC, CLAYEY, PISOLITIC LATERITE; (2) GRAY PLASTIC LATERITE; (3) SILICA BOX WORK BLOCKY ZONE; (4) BROWN FRIABLE, CLAYEY SAROLITE; (5) SAPROLIZED SERPENTINITE; (6) SERPENTINITE 3 THICKNESS (1)= GARNIERITE ORE; THICKNESS (4) IN LIMONITIC ORE.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No
Discovery year 1974
Discoverer Docegeo Based On Radar Interpretation Followed By Geochemistry

Reserves and resources

  • Type In-situ
    Estimate year 1982
    Total resources 20190000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Nickel Ni 1.99 wt-pct Nickel Major 1982
    Iron Fe 19.5 wt-pct Iron Major 1982
    Magnesite MgO 18.37 wt-pct Magnesium Major 1982
    Silica, Ferrosilicon SiO2 37 wt-pct Silica Major 1982
    Cobalt Co 0.0872 wt-pct Cobalt Minor 1982
  • Type In-situ
    Estimate year 1991
    Total resources 19951500000mt ore
    Commodity Subtype Grade units Group Importance Year
    Nickel Ni 1.12 wt-pct Nickel Major 1991
    Iron Fe 41.89 wt-pct Iron Major 1991
    Magnesite MgO 1.38 wt-pct Magnesium Major 1991
    Silica, Ferrosilicon SiO2 18.01 wt-pct Silica Major 1991
    Cobalt Co 0.2133 wt-pct Cobalt Minor 1991

Comments on the reserve resource information

  • TOTAL RESERVE= ORE (1); GARNIEITE ORE AND LIMONITE ORE AFTER BERNARDELLI (1982).

Comments on development

  • 88 PITS TOTALLING 1400 M; 7 DRILL HOLES TATALLING 360M; ABOUT 1200 CHEMICAL ANALYSES.

Reference information

Bibliographic references

  • Deposit

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

  • Deposit

    BERNARDELLI, A.L., 1982, DEPOSITO DE NIQUEL LATERITICO DO VERMELHO IN PROVINCIA MINERAL DE CARAJAS-PARA, ANEXO AOS ANAIS DO I SIMPOSIO DE GEOLOGIA DA AMAZONIA: SOCIEDADE BRASILEIRA DE GEOLOGIA NUCLEO NORTE, BELEM MAY 1982, PP. 92-95.

  • Deposit

    BARROS DE ARAUJO, O.J. AND NOBRE MAIA, R.G., 1991, SERRA DOS CARAJAS; FOLHA SB 22-Z-A: DEPARTAMENTO NACIONAL DA PRODUCAO MINERAL, BRASILIA, 136 P., 2 MAPS, SCALE 1:250,000.

  • Other Database

    CIMRI

  • Reserve-Resource

    CESAR (1984); BERNARDELLI (1982); BARROS AND NOBRE MAIA (1991).

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1992 Norman J Page U.S. Geological Survey
Updater 01-APR-1995 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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