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Sangaredi Boke

Plant in Boke, Guinea with commodity Aluminum
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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. Reporter information

Geologic information

Identification information

Deposit ID 10304756
MAS/MILS ID 7460050001
Record type Site
Current site name Sangaredi Boke
Alternate or previous names Sangaredi

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -13.51529, 11.06753 (WGS84)
Elevation 200
Location accuracy 1000(meters)

Site location context

Political divisions (FIPS codes)

Boke(province)

Guinea(country)

Geographic areas

Country State
Guinea Boke

Commodities

Commodity Importance
Aluminum Critical Primary

Materials information

Materials Type of material
Boehmite Unknown
Gibbsite Unknown

Nearby scientific data

Ore Body (1) -13.51529, 11.06753
ListMap

Economic information

Ore body information

  • Thickness 30M
    Length 1550M
    Width 1550M
    Depth to top 0M
    Field Value
    MAS Matrix # 1
    MAS Column # 3
    Type of Orebody #1 LATERITE
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 REPLACEMENT
    Shape of Orebody #2 IRREGULAR
    Shape of Orebody #3 MANTLELIKE
    Primary mode of Origin OXIDATION
    Secondary mode of Origin RESIDUAL CONCENT
    Primary Ore Control LITHOLOGY
    Secondary Ore Control BEDDING
    Degree of Wallrock Alter. NONE
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 0
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 900712
  • Area 2250000HA
    Field Value
    Total Surface Area (HA) 2250000
    Date of Last Modification 910418

Comments on the geologic information

  • SANGAREDI DEPOSIT IS A SOLID PLATEAU OF BAUXITE UP TO 30KM THICK AND 1.55 KM WIDE IN ALL DIRECTIONS.
  • 77-RCD 080-LATERITE & LATERITIC BAUXITE OCCUR AS CAPPINGS ON PLATEAUS; TYPICAL SECTION (36-45M THICK) CONSISTS OF FE- RICH LATERITE CRUST UNDERLAIN BY SOFTER LATERITIC BAUXITE WHICH GRADES INTO FE-RICH BAUXITE LAYER.

Economic information about the deposit and operations

Operation type Surface
Development status Plant
Commodity type Metallic
Significant Yes
Discovery year 1920
Mining method Open Pit
Year of first production 1973
Plant type Beneficiation (Mill)
Plant subcategory Crush
Milling method Sizing

Mining district

District name Sangaredi/Boke

Mineral rights holdings

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

Land status

Ownership category Mixed

Ownership information

  • Type Owner
    Owner Halco Mining Inc.
    Interest 51
    Home office Pennsylvania
    Year 1987
  • Type Owner
    Owner Guinea Government
    Interest 49
    Home office Guinea
    Year 1987
  • Type Operator
    Owner Compagnie Des Bauxites De Guinea
    Home office Guinea
    Year 1987

Comments on the ownership information

  • 77-RCD 020-HALCO MINING INC. IS A CONSORTIUM WITH THE FOLLOW PARTICIPANTS:ALCAN(27%),ALCOA(27%),MARTIN MARIETTA AL INC. PUK(10%),VAW(10%),AND MONTECATINI EDISON(6%).PARTICIPANTS TO PURCHASE PROPORTIONATE SHARES OF BAUXITE PRODUCTION.

Production statistics

  • Year 1980
    Description Bauxite Ore 9937000 Mtpy
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Aluminum Aluminum 9937000mt
  • Year 1981
    Description Bauxite Ore 9561000 Mtpy
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Aluminum Aluminum 9561000mt
  • Year 1982
    Description Bauxite Ore 8185000 Mtpy
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Aluminum Aluminum 8185000mt
  • Year 1983
    Description Bauxite Ore 8489000 Mtpy
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Aluminum Aluminum 8489000mt
  • Year 1984
    Description Bauxite Ore 9752000 Mtpy
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Aluminum Aluminum 2752000mt
  • Year 1985
    Description Bauxite Ore 9486000 Mtpy
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Aluminum Aluminum 9486000mt
  • Year 1988
    Description Bauxite Ore 10900000 Mtpy
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Aluminum Aluminum 1090000mt
  • Year 1988
    Period 1986 - 1988
    Description Bauxite Ore; 1986 To 1988 9500000 Mtpy
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Aluminum Aluminum 9500000mt
  • Year 1989
    Description Bauxite Ore 11000000 Mtpy
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Aluminum Aluminum 1100000mt
  • Year 1990
    Description Bauxite Ore 12400000 Mtpy
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Aluminum Aluminum 1240000mt

Comments on the production information

  • PRODUCTS SOLD TO EUROPE, INCLUDING ITALY, SPAIN, AND IRELAND.

Reserves and resources

  • Type In-situ
    Estimate year 1977
    Measured 180000000mt ore
    Demonstrated 180000000mt ore
    Total resources 180000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Aluminum Al2O3 59 wt-pct Aluminum Major 1977
  • Type In-situ
    Estimate year 1992
    Measured 1500000mt ore
    Demonstrated 1500000mt ore
    Total resources 1500000mt ore
    Commodity Subtype Grade units Group Importance Year
    Aluminum Al2O3 50 wt-pct Aluminum Major 1992
  • Type In-situ
    Estimate year 1992
    Measured 5330000mt ore
    Demonstrated 5330000mt ore
    Total resources 5330000mt ore
    Commodity Subtype Grade units Group Importance Year
    Aluminum Al2O3 45 wt-pct Aluminum Major 1992

Comments on the reserve resource information

  • 77-RCD 611-RESERVES OF BAUXITE IN BOKE REGION WERE ESTIMATED IN 1955 AT 180M MT AVERAGE GRADE OF 60% ALUMINA. MINERAL PERSPECTIVES, BUMINES, 1992. COLUMN 3 GRADE RANGES FROM 40 TO 50 PERCENT AL2O3. COLUMN 4 GRADE IS GREATER THAN 50 PERCENT AL2O3.
  • THIS IS GOLDERS RESERVE/RESOURCE ESTIMATE, FOR THE 1980-1981 DEPOSIT PROFILE REPORT, AND THEIR ETD. IT WAS USED IN 1981 DEPOSIT EVALUATION. Q1 COL 3=Q9 COL 6: THIS THE RESERVE/RESOURCE ESTIMATE USED IN THE 1987 UPDATE STUDY. BASED ON PUBLISHED DATA.

Workings at the site

  • Type of workings Surface
    Area 2402500HA
    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 0
    Hardness of Ore HARD ROCKS
    Avg. Bench Height (meters) 15
    Max. Pit Slope (degrees) 90
    Capacity 33334
    Capacity Units MT ORE/DAY
    Preprod. Stripping Vol. 0
    Operating Days per Year 300
    Operating Shifts per Day 3
    Year of Information 1987

Comments on other economic factors

  • 77-RCD 630-LARGE SCALE MINING BEGUN IN 1973, USING A BOX CUT OPEN PTI METHOD. THE FACES IS DRILLED AND BLASTED. TWO P&H 1900 ELECTIC SHOVELS ORE USED TO LOAD THE ORE ONTO RAIL CARS.
  • 77-RCD 640-ORE RAILED TO CRUSHING, DRYING PLANT 142KM AWAY. IN KAMSAR.

Reference information

Bibliographic references

  • Production

    METAL BULLETIN. JUNE 17, 1993, P. 5.

  • Reserve-Resource

    HOPPE, R.W., 1977, SENIOR EDITOR, SANGAREDI- AN AFRICAN

  • Reserve-Resource

    PLATEAU OF BAUXITE, ENGINEERING AND MINING JOURNAL,

  • Reserve-Resource

    AUGUST, P. 83-90.

  • Reserve-Resource

    HOPPE, R.W., 1977, SENIOR EDITOR, SANGAREDI PIT IN GUINEA

  • Reserve-Resource

    CARVES UP A RICH DEPOSIT OF SOLID BAUXITE, ENGINEERING

  • Reserve-Resource

    AND MINING JOURNAL, JUNE, P. 138-140.

  • Reserve-Resource

    "AFRICA" INTERNATIONAL MINING AUG. 1987, P78.

  • Reserve-Resource

    THE MINERAL ECONOMY OF GUINEA, BUMINES MINERAL

  • Reserve-Resource

    PERSPECTIVES, PP. 1-24 (JULY 1992).

  • Deposit

    1976/77 WORLD MINES REGISTER.WORLD MINING;LONDON,ENGLAND.P.9

  • Deposit

    PATTERSON,S.G.1964.WORLD BAUXITE RESERVES AND ALUMINUM RESOU

  • Deposit

    U.S.G.S.BULL.#1228,P.83.

  • Deposit

    ENGINEERING&MINING JOURNAL,DEC.1968.CONSTRUCTION TO BEGIN IN

  • Deposit

    ON GIANT BAUXITE MINING PROJECT IN GUINEA.P.96

  • Deposit

    METALS SOURCEBOOK;PUBL.BY METALS WEEK.JAN.15,1973.ITEM A0822

  • Deposit

    ENGINEERING&MINING JOURNAL.APRIL,1975.THIS MONTH IN WORLD MI

  • Deposit

    GUINEA.

  • Deposit

    WORLD MINING.MAY,1975

  • Deposit

    AMERICAN METAL MARKET.SEPT.20,1968.MAJOR BAUXITE MINING CONT

  • Deposit

    SIGNED.P.1.

  • Deposit

    DEKUN, N., THE MINERAL RESOURCES OF AFRICA, P. 298-300.

  • Deposit

    ENGINEERING AND MINING JOURNAL, 1979, 1980, INTERNATIONAL

  • Deposit

    DIRECTORY OF MINING.

Reporter information

Type Date Name Affiliation Comment
Reporter 10-JAN-1995 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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