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Soroako Pt Inco

Producer in Indonesia with commodity Nickel
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Geologic information

Identification information

Deposit ID 10231215
MRDS ID W029650
MAS/MILS ID 5600290003
Record type Site
Current site name Soroako Pt Inco
Alternate or previous names Soroako, No Alternate Names
Related records 10079611

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: 121.49931, -2.49817 (WGS84)
Elevation 600
Location accuracy 1000(meters)
(click for info)

Geographic areas

Country
Indonesia

Commodities

Commodity Importance
Nickel Primary

Materials information

Materials Type of material
Chalcedony Unknown
Chlorite Unknown
Garnierite Unknown
Goethite Unknown
Magnesite Unknown
Montmorillonite Unknown
Olivine Unknown
Opal Unknown
Quartz Unknown
Serpentine Unknown
Wad Unknown

Nearby scientific data

Ore Body (1) 121.49931, -2.49817
ListMap

Ore body information

  • Thickness 9M
    Depth to top 5M
    Area 22000HA
    Field Value
    Type of Orebody #1 LATERITE
    Shape of Orebody #1 MANTLELIKE
    Shape of Orebody #2 TABULAR
    Shape of Orebody #3 IRREGULAR
    Primary mode of Origin OXIDATION
    Secondary mode of Origin RESIDUAL CONCENT
    Primary Ore Control LITHOLOGY
    Secondary Ore Control BEDDING
    Degree of Wallrock Alter. INTENSE
    Type of Wallrock Alter. #1 OTHER
    Minimum Depth to Top 4
    Avg. Thick. Unconsol. Mat. 5
    Min. Thick. Unconsol. Mat. 4
    Total Surface Area (HA) 22000
    Date of Last Modification 830712

Comments on the geologic information

  • THIRTY SCATTERED BODIES OF NICKELIFEROUS LATERITE HAVE BEEN IDENTIFIED IN THE WESTERN PORTION OF SOROAKO DEPOSIT AREA. THEY RANGE IN THICKNESS FROM 5 TO 40 METERS. AN AVERAGE PROFILE OF THESE BODIES CONSISTS OF 4 TO 6 METERS OF LOW GRADE LIMONITE WASTE, 4 METERS OF MEDIUM GRADE LIMONITE THAT IS BEING STOCKPILED FOR FUTURE USE, AND 5 METERS OR MORE OF SAPROLITE ORE. OVERBURDEN IS THICKER ON THE PLATEAU TO THE SOUTH.

Economic information

Economic information about the deposit and operations

Operation type Surface
Development status Producer
Commodity type Metallic
Significant Yes
Discovery year 1900
Mining method Strip-Hillside
Year of first production 1978
Milling method Pyrometallurgy Unspecified

Mining district

District name Sulawesi Island

Mineral rights holdings

Type of mineral rights Unknown

Land status

Ownership category Unknown

Ownership information

  • Type Owner-Operator
    Owner P. T. Inco
    Interest 60
    Home office Canada
    Year 1991
  • Type Owner
    Owner Japanese Interests
    Interest 20
    Home office Japan
    Year 1991
  • Type Owner
    Owner Potential Indonesian Interests
    Interest 20
    Home office Indonesia
    Year 1991

Comments on the reserve resource information

  • SUFFERED SOME DAMAGE FROM EARTHQUAKE IN EARLY 1988 WHICH RESULTE D IN SHORT TERM CLOSURE. PROD. FOR THE YR WILL NOT BE EFFECTED. ANNOUNCED 20 - 30 PCT EXPANSION BY 1991 TO BE FINANCED IN PART B Y THE JAPANESE. PLANT IS RELATIVELY LOW COST AND PRODUCES MATTE FOR EXPORT PRIMARILY TO JAPAN.
  • CO. DATA. RESOURCE ESTIMATE SHOULD BE CONSIDERED CONSERVATIVE. ACTUAL TONNAGE IS PROBABLY MUCH HIGHER, BUT NT CONSIDERED PROVEN

Workings at the site

  • Type of workings Surface
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ACTUAL
    Percent Waste Rock 75
    Avg. Overburden Thickness 4
    Capacity 8000
    Capacity Units MT ORE/DAY
    Unit Production Cost 8
    Units of Production $/MT ORE
    Operating Days per Year 250
    Operating Shifts per Day 2
    Year of Information 1991

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
U.S. Bureau of Mines Minerals Availability System MAS 5600290003
USGS Mineral Resources Data System MRDS W029650 MAS references MRDS

Bibliographic references

  • Deposit

    AITKEN, W.R. WRITTEN COMMUNICATION. 1980. P. 9.

  • Deposit

    ASIA MINING. SOROAKO NICKEL PLANT PROBLEMS. 1980. P. 23.

  • Deposit

    DEGAVRE, R.T. "INCO'S SOROAKO NICKEL PROJECT: CASE STUDY IN

  • Deposit

    FINANCING LARGE OVERSEAS MINING VENTURES." MINING

  • Deposit

    ENGINEERING. 1979. PP. 254-260.

  • Deposit

    GOLIGHTLY, J.P. GEOLOGY OF SOROAKO NICKELIFEROUS LATERITE

  • Deposit

    DEPOSITS. INTERNATIONAL LATERITE SYMPOSIUM. 1979.

  • Deposit

    PP. 38-56.

  • Deposit

    HARJU, H.O. "EXPLORATION OF P.T. INCO'S NICKEL LATERITE

  • Deposit

    DEPOSITS IN SULAWESI, INDONESIA." INTERNATIONAL

  • Deposit

    LATERITE SYMPOSIUM. 1979. PP. 292-299.

  • Deposit

    JESSUP, P.C., JR. "DEVELOPMENT ASPECTS OF THE SOROAKO NICKEL

  • Deposit

    PROJECT." THE INDONESIAN MINING ASSOCIATION. 1977.

  • Deposit

    PP. 104-110.

  • Deposit

    LI, TA M. "INNOVATIVE TECHNOLOGY OPENS NEW RESERVES AT

  • Deposit

    SOROAKO." MINING ENGINEERING. 1979. PP. 779-784.

  • Deposit

    MINING MAGAZINE. SOROAKO NICKEL PROJECT ON STREAM. 1977.

  • Deposit

    P. 333.

  • Deposit

    MINING MAGAZINE. "SOROAKO NI SET-GACKS LEAD TO INITIAL

  • Deposit

    OUTPUT REDUCTION." 1980. P. 415.

  • Deposit

    MUSU,R. AND J.A.E. BELL. "P.T. INCO'S INDONESIAN NICKEL

  • Deposit

    PROJECT." INTERNATIONAL LATERITE SYMPOSIUM. 1979.

  • Deposit

    PP. 300-322.

  • Deposit

    NATIONAL INSTITUTE OF GEOLOGY AND MINING. LATERITE DEPOSITS

  • Deposit

    IN THE SOUTH-EAST ARM SULAWESI, BULLETIN. 1972. P. 22.

  • Deposit

    PERSOPERSONAL COMMUNICATION. 1980.

  • Deposit

    PETRICK ASSOCIATES. THE ECONOMICS OF MINERALS AND ENERGY

  • Deposit

    PROJECTS. VOL. 2. 1980.

  • Deposit

    P.T. INCO. ANNUAL REPORT AND FINANCIAL STATEMENTS. 1979.

  • Deposit

    P. 20.

  • Deposit

    NICKDATA, INC. A COMPREHENSIVE NICKEL INDUSTRY COST DATABASE

  • Deposit

    AND COSTING PROGRAM. 1991. ILMAR J. MARTENS,

  • Deposit

    THOMAS F. TORRIES.

  • Deposit

    NICKEL NEWS. SHERRITT METALS MARKETING CO.

  • Deposit

    SEPT. 16, 1991.

Reporter information

Type Date Name Affiliation Comment
Reporter 05-AUG-94 Bleiwas, Donald U.S. Bureau of Mines