Lero Project

Producer in Dabola, Guinea with commodity Gold
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. 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 10135129
MAS/MILS ID 7460090002
Record type Site
Current site name Lero Project
Alternate or previous names Dinguiraye Concession

Geographic coordinates

Point of reference Pit
Geographic coordinates: -10.81527, 11.3175 (WGS84)
Elevation 1000
Location accuracy 1000(meters)

Site location context

Political divisions (FIPS codes)

Dabola(province)

Guinea(country)

Geographic areas

Country State
Guinea Dabola

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Quartz Unknown

Nearby scientific data

Pit (1) -10.81527, 11.3175

Economic information

Ore body information

  • Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 LATERITE
    Shape of Orebody #1 OTHER
    Primary mode of Origin OTHER
    Primary Ore Control FRACTURING
    Type of Wallrock Alter. #1 UNKNOWN
    Date of Last Modification 960312

Economic information about the deposit and operations

Operation type Surface
Development status Producer
Commodity type Metallic
Significant Yes
Discovery year 1988
Year of first production 1995
Milling method Gravity

Mining district

District name Dabota Guinea

Mineral rights holdings

Type of mineral rights Federal Lease
Type of mineral rights Private Lease
Type of mineral rights Other

Ownership information

  • Type Owner-Operator
    Owner Societe Miniere De Dinguiraye (Smd)
    Interest 100
    Home office Guinea
    Year 1995
    First year 1992
  • Type Owner
    Owner Guinea Government (Owns 15% Of Smd)
    Interest 15
    Home office Guinea
    Year 1995
    First year 1995
  • Type Owner
    Owner Kenor (Owns 42.5% Of Smd)
    Interest 42.5
    Home office Norway
    Year 1995
    First year 1995
  • Type Owner
    Owner Mine Or (Owns 42.5% Of Smd) (Owners Of Mine Or Below)
    Interest 42.5
    Home office Australia
    Year 1995
    First year 1995
  • Type Owner
    Owner Bureau De Recherches Geologiques Et Minieres (BRGM)
    Interest 50
    Home office Norway
    Year 1995
    First year 1995
  • Type Owner
    Owner Normandy Poseidon Group, (Owns 50% Of Mine Or)
    Interest 50
    Home office Australia
    Year 1995
    First year 1995

Production statistics

  • Year 1995
    Description Ore Production 360000 Mt/Yr Gold Production 150000 Over 4 Yrs
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Gold Gold 360000mt

Reserves and resources

  • Type In-situ
    Estimate year 1995
    Measured 1400000mt ore
    Demonstrated 1400000mt ore
    Total resources 1400000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 3.7 g/mt Gold Major 1995

Reference information

Bibliographic references

  • Deposit

    MINING MAGAZINE, JUNE, 95, PAGE 373, "LERO PROJECT, GUINEA,

  • Deposit

    POURS FIRST GOLD".

  • Ownership

    SEE REF 'MI' 001-002 FOR OWNERSHIP DETAILE AS OF JUNE, 95.

  • Reserve-Resource

    SEE REF 'MI' 001-002 ABOVE.

General comments

Subject category Comment text
Deposit AREA WAS FORMELY KNOWN AS THE DINGUIRAYE CONCESSION. NOW IS CALLED THE LERO PROJECT. COORDINATES ARE OF TOWN OF DINGUIRAYE, 180 KM WSW OF SIGUIRI. 1500 SQ.KM CONCESSION GRANTED IN EARLY 1988.

Reporter information

Type Date Name Affiliation Comment
Reporter 23-SEP-96 Buckingham, David A. U.S. Bureau of Mines

Beyond USGS

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