1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Bima Dredge

Plant in Indonesia with commodity Tin
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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. Nearby scientific data
  8. Ore body information
  9. Economic information about the deposit and operations
  10. Ownership information
  11. Production statistics
  12. Reserves and resources
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10304163
MAS/MILS ID 5600130006
Record type Site
Current site name Bima Dredge
Alternate or previous names Bima Dredge P.T. Riau, P.T. Riau Tin Mining, Maatachappij & 35% By P.T. Tambang, Timah. Biliton Owned By Shell Int., Pet. Co In the Netherlands., P,T, Riau 65% Owned By N.V.Billiton

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: 105.16639, -1.24828 (WGS84)

Site location context

Political divisions (FIPS codes)

Indonesia(country)

Asia(continent)

Land(continent)

Geographic areas

Country
Indonesia

Commodities

Commodity Importance
Tin Critical Primary

Materials information

Materials Type of material
Cassiterite Unknown
Ilmenite Unknown
Monazite Unknown
Zircon Unknown

Nearby scientific data

Ore Body (1) 105.16639, -1.24828
ListMap

Economic information

Ore body information

  • Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 PLACER
    Shape of Orebody #1 IRREGULAR
    Primary mode of Origin RESIDUAL CONCENT
    Primary Ore Control LITHOLOGY
    Date of Last Modification 860829

Economic information about the deposit and operations

Operation type Surface
Development status Plant
Commodity type Metallic
Significant Yes
Discovery year 1968
Mining method Dredging
Year of first production 1979
Plant type Beneficiation (Mill)
Plant subcategory Gravity
Milling method Gravity

Ownership information

  • Type Owner
    Owner N. V. Billiton Maatschappij
    Interest 65
    Year 1983
  • Type Owner
    Owner P. T. Tambang Timah
    Interest 35
    Year 1983

Production statistics

  • Year 1979
    Description Mt Ore/Yr 779000 Mt Ore/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Tin Tin 779000mt
  • Year 1980
    Description Mt Ore/Yr 5264000 Mt Ore/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Tin Tin 5264000mt
  • Year 1981
    Description Mt Ore/Yr 8433000 Mt Ore/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Tin Tin 8433000mt
  • Year 1982
    Description Mt Ore/Yr 11600000 Mt Ore/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Tin Tin 1160000mt
  • Year 1983
    Description Mt Ore/Yr 5420000 Mt Ore/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Tin Tin 5420000mt
  • Year 1984
    Description Mt Ore/Yr 3672000 Mt Ore/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Tin Tin 3672000mt
  • Year 1985
    Description Mt Ore/Yr 3742000 Mt Ore/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Tin Tin 3742000mt
  • Year 1995
    Period 1986 - 1995
    Description Care & Maintenance 1986 Thru 1995 1 Mt Ore/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Tin Tin 1mt

Comments on the production information

  • A $151.80 SMELTING COST AND A $0.17 MILLING COST PER TONNE ARE INCURRED IN THE PRODUCTION OF PRODUCT A. PRODUCTION QUANT 1980-1985 FROM CRU TIN MINING VOL 2 P95. 7,000,000MT/300DAYS/YR=23,300MT/DAY

Reserves and resources

  • Type In-situ
    Estimate year 1981
    Measured 287000000mt ore
    Demonstrated 287000000mt ore
    Total resources 287000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Tin Sn 0.014 wt-pct Tin Major 1981

Workings at the site

  • Type of workings Surface
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ACTUAL
    Mining Method DREDGING
    Primary Material Cover SAND, GRAVEL
    Hardness of Ore SAND, GRAVEL
    Capacity 52600
    Capacity Units MT ORE/DAY
    Unit Production Cost .67
    Units of Production $/MT ORE
    Operating Days per Year 365
    Operating Shifts per Day 3
    Year of Information 1983
  • Type of workings Surface
    Field Value
    MAS Development Schedule # 1
    Mining Record # 2
    Status of Mining Method ESTIMATE
    Mining Method DREDGING
    Primary Material Cover SAND, GRAVEL
    Hardness of Ore SAND, GRAVEL
    Capacity 23300
    Capacity Units MT ORE/DAY
    Unit Production Cost 1.016
    Units of Production $/MT ORE
    Operating Days per Year 300
    Operating Shifts per Day 3
    Year of Information 1989

Comments on other economic factors

  • THE TIN CONCENTRATES ARE TRANSPORTED TO THE MENTOK SMELTER OF P.T. TAMBANG TIMAH ON BANGKA ISLAND.
  • ALL MINED AREAS ARE LOCATED OFFSHORE BETWEEN BANGKA AND SINGKEP ISLANDS. THE DREDGES MINE TO A MAXIMUM DEPTH OF 45 METERS.

Reference information

Bibliographic references

  • Deposit

    MINING ANNUAL REVIEW, LONDON, 1974-1982.

  • Deposit

    MINING INTERNATIONAL YEARBOOK, FINANCIAL TIMES, LONDON,

  • Deposit

    1981, 1978.

  • Deposit

    AUSTRALIAN MINERAL ECONOMICS PTY., THE WORLD TIN INDUSTRY,

  • Deposit

    SUPPLY AND DEMAND, SEPTEMBER, 1980.

  • Deposit

    ROYAL DUTCH PETROLEUM COMPANY, ANNUAL REPORT, 1981.

  • Deposit

    INTERNATIONAL TIN COUNCIL, STATISTICS, 1982.

  • Deposit

    MINING JOURNAL, TIN DREDGE UNDER CONSTRUCTION, FEBRUARY 25,

  • Deposit

    1977, PP 141.

  • Deposit

    ALEVA, J.J., A CONTRIBUTION TO THE GEOLOGY OF THE INDONESIAN

  • Deposit

    TINBELT, GEOLOGY SOCIETY MALAYSIA, BULLETIN 6, JULY, 1973,

  • Deposit

    PP 257-271.

  • Deposit

    INTERNATIONAL TIN COUNCIL, TIN PRODUCTION AND INVESTMENT,

  • Deposit

    1979, PP 47.

  • Deposit

    E&MJ, INTERNATIONAL DIRECTORY OF MINING, 1980-1982.

  • Deposit

    DIEPERINK, F.H.J., MINING OFFSHORE TIN DEPOSITS IN THE PULAN

  • Deposit

    TUJUH AREA, INDONESIA.

  • Deposit

    SIMATUPANG, M., INDONESIAN TIN RESOURCES AND POTENTIAL, 4TH

  • Deposit

    TECHNICAL CONFERENCE ON TIN, KUALA LUMPUR, MALAYSIA, 1974.

  • Deposit

    CRU TN MINING 1985-90 VOL 2 COUNTRY REPORTS PP 96.

Reporter information

Type Date Name Affiliation Comment
Reporter 22-SEP-1992 Sabin, A. E. U.S. Bureau of Mines

Beyond USGS

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

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