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Pomala Deposit

Producer in Indonesia with commodities Nickel, Iron, 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. Geologic structures
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Ownership information
  13. Production statistics
  14. Reserves and resources
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10024520
MRDS ID ISM0244
Record type Site
Current site name Pomala Deposit
Alternate or previous names Pomalla, Pomalaa, Pamalea

Geographic coordinates

Geographic coordinates: 120.99933, -3.99801 (WGS84)
Elevation 500
Relative position ORE BODY; 500 M

Site location context

Political divisions (FIPS codes)

Indonesia(country)

Asia(continent)

Land(continent)

Geographic areas

Country
Indonesia

Comments on the location information

  • AT THE COASTLINE OF THE SOUTHEAST SULAWESI ISLANDS, 15 KM SOUTH OF KOLAKA.
  • ON PARCEL II, SURIGAO RESERVATION

Commodities

Commodity Importance
Nickel Critical Primary
Iron Primary
Cobalt Critical Primary

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite
  • Host or associated Host
    Rock type Metamorphic Rock > Serpentinite

Nearby scientific data

(1) 120.99933, -3.99801
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Tropical Weathering Of Ultramafic Rocks.

Ore body information

  • Depth to top 5M

Comments on the geologic information

  • ; GTHT + GRNR; NONOC ISLAND IS GENERALLY UNDERLAIN BY SERPENTINIZED ULTRAMAFIC ROCKS OF PROBABLE CRETACEOUS AGE. THE LAND SURFAC-E WAS EXTENSIVELY LATERIZED SOMETIME DURING THE PLIOCENE OR EA-RLY PLEISTOCENE.
  • MASS WASTING; DOWNSLOPE MOVEMENT; CEN; GRNR; LMON; DEPOSIT AVERAGES 10 M THICKNESS. THE LATERITE/BEDROCK CONTACT IS SHARP, AND THE NICKEL DEPOSITS ARE GENERALLY CON-CENTRATED IN THE LOW IRON PROFILE NEAR THE BEDROCK CONTACT. I-SLAND CONSISTS OF EXPOSED OCEANIC CRUST AND MANTLE.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No
Year of first production 1963

Mining district

District name Sulawesi Island

Ownership information

  • Type Operator
    Owner P. T. Aneka Tambang
  • Type Owner
    Owner Indonesian Government

Production statistics

  • Year 1975
    Accuracy Estimate
    Description Ap_Grade: ^More Than 2% Ni
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Nickel Nickel 2wt-pct
  • Year 1978
    Material ORE NI
    Accuracy Accurate
    Description Ap_Grade: ^More Than 2% Ni
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Nickel Nickel 2wt-pct

Comments on the production information

  • UNKNOWN UP TO 30%: EXPAND TO 3.5 MIL TONS/YR ORE AND 31,000 MT/YR NICKEL.
  • UNKNOWN UNKNOWN

Reserves and resources

  • Type In-situ
    Estimate year 1976
    Commodity Subtype Grade units Group Importance Year
    Nickel Ni 1.5 wt-pct Nickel Major 1976

Comments on the reserve resource information

  • RR25: UNPROVEN RESOURCES
  • RR17: RESOURCES FOR NORTH SURIGAO
  • RR2 IS THE LATERITE RESERVE OF THE 1914 SURIGAO IRON RESERVATION, RR3 IS THE DECOMPOSED SERPENTINITE RESERVE OF TH-AT RESERVATION. RR2 + RR3 ARE THE TOTAL RESERVES OF THE 1914 -RESERVATION.

Comments on development

  • NON-GEOLOGIC CONSTRAINTS ON DEVELOPMENT OR EXPANSION IN 1-5 YRS. ( X; DEPRESSED WORLD MARKET AND OVERSUPPLY OF NICKEL). DEVELOPMENT(YES); ORE CONTAINS ABOUT 40% FE, 1.23% NI.
  • NON-GEOLOGIC CONSTRAINTS ON DEVELOPMENT OR EXPANSION IN 1-5 YRS. ( X; WORLDWIDE OVERSUPPLY AND DEPRESSED PRICES OF NICKEL.). DEVELOPMENT(YES); EXPLORATION(NO); DRIED ORE IS CURRENTLY SHIPPED TO TOKYO FOR REFINING. PLANS ARE TO OPEN A SMELTER IN 1985 (ON SITE) WHICH WILL PR-ODUCE 20,000 MT/YR FERRONICKEL.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit THIS RECORD WAS COMPILED FOR THE INTERNATIONAL STRATEGIC MINERALS INVENTORY. THE DATA WERE USED IN PREPARATION OF THE USGS CIRCULAR 930 SERIES OF REPORTS. MINERAL RESOURCE CATEGORIES AND CODES HEREIN ARE FROM THE INTERNATIONAL CLASSIFICATION SYSTEM RECOMMENDED BY THE UNITED NATIONS GROUP OF EXPERTS ON DEFINITIONS AND TERMINOLOGY FOR MINERAL RESOURCES. (SEE NATIONAL RESOURCES FORUM, V. 4, NO. 3, P. 307-313.). SURFACE REFINED
Deposit THIS RECORD WAS COMPILED FOR THE INTERNATIONAL STRATEGIC MINERALS INVENTORY. THE DATA WERE USED IN PREPARATION OF THE USGS CIRCULAR 930 SERIES OF REPORTS. MINERAL RESOURCE CATEGORIES AND CODES HEREIN ARE FROM THE INTERNATIONAL CLASSIFICATION SYSTEM RECOMMENDED BY THE UNITED NATIONS GROUP OF EXPERTS ON DEFINITIONS AND TERMINOLOGY FOR MINERAL RESOURCES. (SEE NATIONAL RESOURCES FORUM, V. 4, NO. 3, P. 307-313.). OPEN PIT 0-5 M NO

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1983 Foose, Michael P. U.S. Geological Survey

Beyond USGS

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

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