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  3. Mineral Resource Data System (MRDS)

Discovery Bay Water Valley

Producer in Jamaica with commodities Aluminum, Silica
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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. Mining district
  11. Mineral rights holdings
  12. Land status
  13. Ownership information
  14. Production statistics
  15. Reserves and resources
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10182891
MAS/MILS ID 2420110003
Record type Site
Current site name Discovery Bay Water Valley
Alternate or previous names Water Valley, Discovery Bay Mine, Water Valley Mine, Tobolsks Mine

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -77.39004, 18.34788 (WGS84)
Elevation 350
Location accuracy 1000(meters)

Site location context

Political divisions (FIPS codes)

Jamaica(country)

North America(continent)

Land(continent)

Geographic areas

Country
Jamaica

Commodities

Commodity Importance
Aluminum Critical Primary
Silica Tertiary

Materials information

Materials Type of material
Boehmite Unknown
Gibbsite Unknown

Nearby scientific data

Ore Body (1) -77.39004, 18.34788
ListMap

Economic information

Ore body information

  • Thickness 6M
    Depth to top 0.6M
    Field Value
    MAS Matrix # 1
    MAS Column # 3
    Type of Orebody #1 REPLACEMENT
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 LATERITE
    Shape of Orebody #2 LENTICULAR
    Type of Orebody #3 SEDIMENTARY
    Shape of Orebody #3 OTHER
    Primary mode of Origin RESIDUAL CONCENT
    Secondary mode of Origin OXIDATION
    Primary Ore Control FRACTURING
    Secondary Ore Control LITHOLOGY
    Degree of Wallrock Alter. NONE
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. .6
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 900723

Comments on the geologic information

  • GANGUE MINERALS ALSO INCLUDE SILICA, IRON OXIDES, AND PHOSPHOROUS.
  • WIDTH AND LENGTH ARE VARIABLE; THE DEPOSITS ARE FLAT LYING.
  • THE DEPOSITS OCCUR PRIMARILY AS INFILLINGS IN VERTICAL WALLED DEPRESSIONS FORMED BY THE COALESCENCE OF CYLINDRICAL VERTICAL PIPES IN THE HIGHLY FRACTURED WHITE LIMESTONE.

Economic information about the deposit and operations

Operation type Surface
Development status Producer
Commodity type Metallic
Significant Yes
Discovery year 1942
Mining method Open Pit
Year of first production 1967
Milling method Pyrometallurgy Unspecified

Mining district

District name Water Valley

Mineral rights holdings

Type of mineral rights State Lease
Type of mineral rights Minerals Only

Land status

Ownership category State

Ownership information

  • Type Owner-Operator
    Owner Kaiser Jamaica Bauxite Co. (Joint Venture)
    Interest 100
    Year 1981
  • Type Owner
    Owner Jamaican Government
    Interest 51
    Home office Jamaica
    Year 1981
  • Type Operator
    Owner Kaiser Aluminum Co.
    Interest 49
    Year 1981

Comments on the ownership information

  • THE KAISER JAMAAICA BAUXITE COMPANY IS A JOINT VENTURE BETWEEN KAISER ALUMINUM AND THE JAMAICAN GOVERNMENT.

Production statistics

  • Year 1975
    Period 1972-1975
    Description 1987 Update Study Production, 72-75 6000000 Mtpy
  • Year 1976
    Description Bauxite Ore 6087000 Mtpy
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Aluminum Aluminum 6087000mt
  • Year 1977
    Description Bauxite Ore 6151000 Mtpy
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Aluminum Aluminum 6151000mt
  • Year 1978
    Description Bauxite Ore 6241000 Mtpy
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Aluminum Aluminum 6241000mt
  • Year 1979
    Description Bauxite Ore 6194000 Mtpy
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Aluminum Aluminum 6194000mt
  • Year 1980
    Description Bauxite Ore 5100000 Mtpy
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Aluminum Aluminum 5100000mt
  • Year 1980
    Description Buaxite Ore 5866000 Mtpy
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Aluminum Aluminum 5866000mt
  • Year 1982
    Description Bauxite Ore 4550000 Mtpy
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Aluminum Aluminum 4550000mt
  • Year 1983
    Description Bauxite Ore 4480000 Mtpy
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Aluminum Aluminum 4480000mt
  • Year 1984
    Description Bauxite Ore 4540000 Mtpy
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Aluminum Aluminum 4540000mt
  • Year 1985
    Description Bauxite Ore 3000000 Mtpy
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Aluminum Aluminum 3000000mt
  • Year 1986
    Description Bauxite Ore 3750000 Mtpy
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Aluminum Aluminum 3750000mt
  • Year 1987
    Description Bauxite Ore 4800000 Mtpy
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Aluminum Aluminum 4800000mt
  • Year 2017
    Period 1988 To 2017
    Accuracy Estimate
    Description Bauxite Ore Production 1988 To 2017 5200000 Mtpy
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Aluminum Aluminum 5200000mt

Comments on the production information

  • DRYING PLANT AND PORT FACILITIES ARE AT PORT RHODES. THE ORE IS SHIPPED TO EITHER THE BATON ROUGE OR GRAMERCY REFINERIES.

Reserves and resources

  • Type In-situ
    Estimate year 1996
    Demonstrated 120000000mt ore
    Total resources 120000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Aluminum Al2O3 45 wt-pct Aluminum Major 1996

Comments on the reserve resource information

  • JAMACIAN BAUXITE RESERVES BASED ON HOLDINGS AWARDED BY GOVT. TO MINING COMPANY. AS OF 1996, KJBC HAS RIGHTS TO 120 MILLION TONS OF BAUXITE RESERVES.
  • M1C1=M9C4. M9C4, BAUXITE ORE TONNAGE DATA FROM GOLDER DEPOSIT REPORT PAGE 3, SEC. 2.4 AND; ORE GRADE DATA FROM GOLDERS DEPOSIT CODING QUESTIONNAIRE FORM AT THE BACK OF THE REPORT. 1987 UPDATE STUDY RESERVE/RESOURCES ESTIMATE, INSITU ORE, MINE RECOVERY ESTIMATED AT 90%; QM1C3=QM9C6. RESERVE/ RESOURCES DATA BASED ON INFORMATION RECEIVED DURING SITE VISIT.

Workings at the site

  • Type of workings Surface
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Mining Method OPEN PIT
    Percent Waste Rock 0
    Avg. Overburden Thickness .6
    Primary Material Cover SAND, SILT
    Percentage 100
    Hardness of Ore SAND, GRAVEL
    Max. Pit Slope (degrees) 25
    Capacity 19847
    Capacity Units MT ORE/DAY
    Operating Days per Year 262
    Operating Shifts per Day 3
    Year of Information 1987

Reference information

Bibliographic references

  • Deposit

    LYEW-AYEE,PARIS A.JUNE,1973.AN APPLICATION OF MATHEMATICAL P

  • Deposit

    MING AND SYSTEMS SIMULATION TO BAUXITE MINING OPERATIONS I

  • Deposit

    JAMAICA;MASTERS THESIS,PENN STATE UNIV.PP.1-9

  • Deposit

    ALUMINUM CONDUCTOR DEVELOPMENT CORP.1973.SURVEY OF PLANNED

  • Deposit

    INCREASES IN WORLD BAUXITE,ALUMINA&ALUMINUM CAPACITIES,197

  • Deposit

    LONDON,ENGLAND,1974.P.91.

  • Deposit

    MOOREHEAD,G.A. BAUXITE MINING IN JAMAICA.MINE&QUARRY ENGINEE

  • Deposit

    JUNE,1961.PP. 248-257

  • Deposit

    TERRIER,C.O.CHIEF ENGINEER,REYNOLDS JAMAICA MINES,LTD.;LETTE

  • Deposit

    APRIL 29,1975

  • Deposit

    METALS SOURCEBOOK,PUBL.BY METALS WEEK.DEC.9,1974.ITEM B 5433

  • Deposit

    WALL STREET JOURNAL,FEB.3,1977.P.3.

  • Deposit

    ENGINEERING AND MINING JOURNAL, JAMAICA: GOVERNMENT PART-

  • Deposit

    NERSHIPS AND RECENT DECLINES SHAPE INDUSTRY PROFILE,

  • Deposit

    NOV., 1977, P. 98-102.

  • Deposit

    ENGINEERING AND MINING JOURNAL, KAISER- JAMAICA'S LARGEST

  • Deposit

    BAUXITE PRODUCER, NOV., 1977, P. 111-112.

  • Deposit

    THE JAMAICA BAUXITE INSTITUTE, KINSMEN, JAMAICA.

  • Deposit

    SKILLING MINING REVIEW - NOVEMBER 17, 1979, P5.

General comments

Subject category Comment text
Deposit 1987 UPDATE EVALUATION

Reporter information

Type Date Name Affiliation Comment
Reporter 11-OCT-96 Wilburn, David R. 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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