Morro Do Engenho Nickel Deposit - Brazil.

Occurrence in Goias, Brazil with commodity Nickel
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. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Reserves and resources
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10070067
MRDS ID W012728
Record type Site
Current site name Morro Do Engenho Nickel Deposit - Brazil.

Geographic coordinates

Geographic coordinates: -53.46361, -15.38741 (WGS84)
Relative position 382 KM WNW OF GOIANA.

Site location context

Political divisions (FIPS codes)

Goias(province)

Brazil(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Brazil Goias

Comments on the location information

  • NEAR EASTERN BORDER OF GOIAS, NEAR MATO GROSSO AT THE CONFLUENCE OF CLARO AND ARAGUAIA RIVERS.

Commodities

Commodity Importance
Nickel Critical Primary

Materials information

Materials Type of material
Clay Ore
Garnierite Ore

Mineral occurrence model information

Model code 110
USGS model code 38a
Deposit model name Lateritic Ni

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite > Dunite
  • Host or associated Associated
    Rock type Metamorphic Rock > Gneiss
    Rock unit name Basement Complex;Furnas Formation, Parana Group;Ipora Group
    Rock description Basement Complex;Furnas Formation, Parana Group;Ipora Group
  • Host or associated Associated
    Rock type Metamorphic Rock > Gneiss > Migmatite
  • Host or associated Associated
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
  • Host or associated Associated
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Conglomerate
  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite
  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite > Dunite
    Rock unit name Ipora Group;
    Rock description Ipora Group;
  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Pyroxenite

Nearby scientific data

(1) -53.46361, -15.38741

Economic information

Ore body information

  • Length 5700M
    Width 3800M

Comments on the geologic information

  • EGG-SHAPED ALKALINE INTRUSION OF 4.7 X 5.3 KM IN SIZE WITH ZONES: A NUCLEUS OF DUNITE, FOLLOWED OUTWARD BY PERIDOTITE-PYROXENITE, BY ALKALINE GABBRO AND OUTWARD BY SYENITE AND NEPHELINITE.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No
Discovery year 1970
Discoverer Departamento Nacional Da Producao Mineral (Dnpm).

Mining district

District name Montes Claros De Goias And Jussara Districts

Reserves and resources

  • Type In-situ
    Estimate year 1973
    Total resources 11956517000mt ore
    Commodity Subtype Grade units Group Importance Year
    Nickel Ni 1.298 wt-pct Nickel Major 1973
  • Type In-situ
    Estimate year 1986
    Total resources 263097000mt ore
    Commodity Subtype Grade units Group Importance Year
    Nickel Ni 1.326 wt-pct Nickel Major 1986
  • Type In-situ
    Estimate year 1986
    Total resources 18276139000mt ore
    Commodity Subtype Grade units Group Importance Year
    Nickel Ni 1.123 wt-pct Nickel Major 1986
  • Type In-situ
    Estimate year 1986
    Total resources 26767753000mt ore
    Commodity Subtype Grade units Group Importance Year
    Nickel Ni 1.068 wt-pct Nickel Major 1986
  • Type In-situ
    Estimate year 1986
    Total resources 10658134000mt ore
    Commodity Subtype Grade units Group Importance Year
    Nickel Ni 0.978 wt-pct Nickel Major 1986
  • Type In-situ
    Estimate year 1986
    Total resources 1200150000mt ore
    Commodity Subtype Grade units Group Importance Year
    Nickel Ni 1.103 wt-pct Nickel Major 1986

Comments on the reserve resource information

  • CUTOFF GRADE 1.10% NI FOR ORE(1) MEASURED, ORE (2) INDICATED, ORE (3) INFERRED, ORE (4) TOTAL. CUTOFF GRADE OF 0.80% NI FOR ORE (1A) MEASURED, ORE (2A) INDICATED, ORE (3A) INFERRED, ORE (4A) TOTAL.

Comments on development

  • CPRM DID 2507 M OF HOLES 2-26 M DEEP, 5685 M OF DRILL HOLES (162 HOLES), 180 M OF TRENCHES, 2000 ANALYSES.

Reference information

Bibliographic references

  • Deposit

    MINING ENGINEERING, 11/73, P. 43.

  • Deposit

    BERBERT, C.O., 1986, O DEPOSITO DE NIQUEL LATERITICO DE MORRO DO ENGENHO, GOIAS, IN PRINCIPAIS DEPOSITOS MINERAIS DO BRASIL, EDS. C. SCHOBBENHAUS AND C.E.S. COELHO: MINISTERIO DAS MINAS E ENERGIA, BRASILIA, V. 11, P. 335-340.

General comments

Subject category Comment text
Deposit CPRM (CIA. DE PESQUISA DE RESURSOS MINERALS OF BRAZILIAN GOVT. WILL INVITE PRIVATE TENDERS TO BID. COORDINATES ARE VERY APPROXIMATE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1976 Shaffer, Glenn L. U.S. Geological Survey
Updater 01-APR-1994 Page, Norman J. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.