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Morro Do Engenho

Prospect in Goias, Brazil with commodity Nickel
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Geologic information

Identification information

Deposit ID 10230865
MAS/MILS ID 3510170014
Record type Site
Current site name Morro Do Engenho
Alternate or previous names Morro Do Engenho Mine

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -51.71584, -15.36438 (WGS84)
Elevation 1400
Location accuracy 10000(meters)
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Geographic areas

Country State
Brazil Goias

Commodities

Commodity Importance
Nickel Primary

Materials information

Materials Type of material
Chlorite Unknown
Garnierite Unknown
Limonite Unknown
Serpentine Unknown
Spinel Unknown

Nearby scientific data

Ore Body (1) -51.71584, -15.36438
ListMap

Ore body information

  • Width 400M
    Length 400M
    Field Value
    MAS Matrix # 1
    MAS Column # 3
    Type of Orebody #1 OTHER
    Primary mode of Origin MAGMATIC DIFFER
    Secondary mode of Origin HYDROTHERMAL
    Primary Ore Control IGNEOUS
    Secondary Ore Control LITHOLOGY
    Degree of Wallrock Alter. UNKNOWN
    Type of Wallrock Alter. #1 UNKNOWN
    Date of Last Modification 830712
  • Area 16HA
    Field Value
    Minimum Depth to Top 0
    Min. Thick. Unconsol. Mat. 0
    Total Surface Area (HA) 16
    Date of Last Modification 830712

Economic information

Economic information about the deposit and operations

Operation type Surface
Development status Prospect
Commodity type Metallic
Significant No
Discovery year 1969
Mining method Strip-Hillside
Milling method Hydrometallurgy Unspecified

Mining district

District name Goias

Ownership information

  • Type Owner-Operator
    Owner Companhia Do Pesquiso Recursos Minerais (Cprm.)
    Interest 100
    Home office Brazil
    Year 1981

Comments on the reserve resource information

  • BUREAU AND CONTRACTOR ESTIMATES

Workings at the site

  • Type of workings Surface
    Area 16HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method OPEN PIT
    Primary Material Cover HARDPAN
    Hardness of Ore M-HARD ROCKS
    Capacity 4000
    Capacity Units MT ORE/DAY
    Unit Production Cost 4
    Units of Production $/MT ORE
    Operating Days per Year 300
    Year of Information 1981

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
U.S. Bureau of Mines Minerals Availability System MAS 3510170014

Bibliographic references

  • Deposit

    COMPANHIA DE PERSQUISAS DE RECURSOS MINERAIS. "CPRM'S NICKEL

  • Deposit

    ORE DEPOSIT, MORRO DE ENGENHO, GOIAS, BRAZIL." 1976. PG.5.

  • Deposit

    PERSONAL COMMUNICATION, PRIVATE CONSULTANT IN BRAZIL, 1981.

General comments

Subject category Comment text
Deposit CPRM HAS EXPLORED THIS DEPOSIT BY EXTENSIVE DEPOSIT DRILLING AND OTHER GEOLOGICAL EXPLORATION. BASED ON THE RESULTS OF THE RESEARCH WORK OF CPRM, IT WAS DETERMINED THAT THE ORE AT MORRO DO ENGENHO IS SUITABLE FOR PROCESSING INTO FERRONICKEL ALLOYS. THEREFORE IT HAS BEEN PROJECTED IN 1989 PRODUCTION WILL BEGIN AFTER BUILDING A SMELTER AND SOME INFRASTRUCTURE. THERE ARE NO ENVIRONMENTAL IMPACTS AS SUCH, AS THE MINE HAS NOT ASSUMED PRODUCTION YET, HOWEVER THE SULFER STACK EMISSIONS EMANATION FROM ANY SMELTING OPERATION WOULD POSE A MAJOR ENVIRONMENTAL PROBLEM. THE MORRO DO ENGENHO DEPOSIT IS A TYPICAL LATERITIC OREBODY DEVELOPED BY WEATHERING OF AN ULTRAMAFIC INTRUSIVE HOST ROCK. THE SMELTER CONSTRUCTION WILL BEGIN IN 1986. THE Q-RESERVE DATA WAS DERIVED FROM DIMENSIOAL DATA THE SMELTER IS, ESSENTIALLY, IS THE MILL, AS THE ORE ENTERS THE SMELTER (ON SITE) DIRECTLY FROM THE MINE. IN THE SMELTER, THE ORE IS CRUSH, GROUND, AND SCREENED.

Reporter information

Type Date Name Affiliation Comment
Reporter 22-DEC-1994 Eastern Field Operations Center (EFOC) U.S. Bureau of Mines