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  3. Mineral Resource Data System (MRDS)

Kalimantan

Prospect in Indonesia with commodity Diamond
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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. Economic information about the deposit and operations
  11. Ownership information
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10023284
MRDS ID I000097
Record type Site
Current site name Kalimantan

Geographic coordinates

Geographic coordinates: 113.99949, -2.99811 (WGS84)
Location accuracy 1000(meters)
Relative position AT SOUTHEAST KALIMANTAN., Estimated Location-

Site location context

Political divisions (FIPS codes)

Indonesia(country)

Asia(continent)

Land(continent)

Geographic areas

Country
Indonesia

Comments on the location information

  • IN THE DANAKIL DEPRESSION.

Commodities

Commodity Importance
Diamond Primary

Materials information

Materials Type of material
Diamond Ore

Mineral occurrence model information

Model code 122
USGS model code 39d
Deposit model name Diamond placer

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock
    Stratigraphic age (youngest) Holocene

Nearby scientific data

(1) 113.99949, -2.99811
ListMap

Economic information

Comments on the geologic information

  • SUBSIDENCE ALONG THE RIFT ZONE HAS LED TO A BASIN CONTAINING MORE THAN 1000 M OF EVAPORITES.

Economic information about the deposit and operations

Development status Prospect
Commodity type Non-metallic
Significant No

Ownership information

  • Type Owner
    Owner Indonesian Diamond Corp. Ltd. (Formerly Acorn Securities)

Comments on the reserve resource information

  • RESERVES ARE SYLVINITE ORE ONLY. CARNALLITE ORE IS ALSO PRESENT.

Comments on the workings information

  • DEPOSIT IS TO BE WORKED BY A 26 FT BUCKET LINE DREDGE.

Comments on development

  • MUSELY WAS EXTENSIVELY EXPLORED DURING THE 1960'S. CRESCENT DEPOSIT WAS DISCOVERED LATER AND HAS BEEN LESS EXPLORED. MUSELY WAS DRILLED ON 300 M SPACING AND ALSO EXPLORED BY A 90 M SHAFT AND 800 M OF UNDERGROUND WORKINGS. ; ECON.COM: DEVELOPMENT HAS BEEN HALTED BY THE CONTINUING CIVIL WAR IN THE PROVINCE. THE WESTERN PART OF THE DEPOSIT (AREA WITH PROVEN RESERVES) THE OVERBURDEN/ORE RATIO IS 4:1.
  • DEV$: 23.6 ; ECON.COM: OPERATING COSTS ARE EXPECTED TO AVERAGE $5.51 PER CUBIC M OF PAY GRAVEL MINED THE FIRST FIVE YEARS WITH PRODUCTION PREDICTED FOR THOSE FIRST FIVE YEARS TO BE 123,000, 138,000, 101,000, 106,000, 115,000 CARATS RESPECTIVELY. DEVELOPMENT COST MIGHT BE IN AUSTRALIAN DOLLARS, WAS UNSPECIFIED IN SOURCE. DEVELOPMENT PROGRAMME IS EXPECTED TO TAKE 18 MONTHS. ADDITIONAL FINANCING IS NEEDED TO PROCEDE.

Reference information

Bibliographic references

  • Deposit

    INDUSTRIAL MINERALS, 1990, WORLD OF MINERALS: NO. 272, P. 11-12

  • Reserve-Resource

    INDUSTRIAL MINERALS, 1990.

General comments

Subject category Comment text
Deposit DRILL HOLE DATA SUGGESTS THAT THE POTASH-RICH HORIZON UNDERLIES AN AREA AT LEAST 19 KM LONG (N-S) AND APPROXIMATELY 11 KM WIDE. A SECOND HORIZON MAY BE PRESENT AT A DEPTH OF 500 M.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-90 Orris, Greta 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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