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

Tarkwa

Plant in Western, Ghana with commodities Gold, Silver
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Nearby scientific data
  7. Economic information about the deposit and operations
  8. Mining district
  9. Mineral rights holdings
  10. Ownership information
  11. Production statistics
  12. Reserves and resources
  13. Links to other databases
  14. Bibliographic references
  15. Reporter information

Geologic information

Identification information

Deposit ID 10135107
MAS/MILS ID 7490450007
Record type Site
Current site name Tarkwa

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -2.01546, 5.50149 (WGS84)
Elevation 1000
Location accuracy 10(meters)

Site location context

Political divisions (FIPS codes)

Western(province)

Ghana(country)

Africa(continent)

Land(continent)

Geographic areas

Country State
Ghana Western

Commodities

Commodity Importance
Gold Primary
Silver Tertiary

Nearby scientific data

Main Entrance (1) -2.01546, 5.50149
ListMap

Economic information

Economic information about the deposit and operations

Operation type Surface-Underground
Development status Plant
Commodity type Metallic
Significant Yes
Plant type Beneficiation (Mill)
Plant subcategory Hydromet
Milling method Hydrometallurgy Unspecified

Mining district

District name Central Ghana

Mineral rights holdings

Type of mineral rights Unknown

Ownership information

  • Type Owner-Operator
    Owner Gold Fields Ghana Ltd. (Gold Fields Of So. Af.)
    Interest 85
    Home office Ghana
    Year 1995
    First year 1995
  • Type Owner
    Owner Ghana State Government
    Interest 10
    Home office Ghana
    Year 1995
    First year 1995
  • Type Owner
    Owner Mutual Resource
    Interest 5
    Home office Canada
    Year 1995
    First year 1995
  • Type Owner-Operator
    Owner Tarkwa Goldfields Ltd.
    Interest 95
    Home office Ghana
    Year 1991
    First year 1991
    Last year 1995

Comments on the ownership information

  • OWNERSHIP AS OF 9/95: MUTUAL RESOURCES LTD. OWNES 5% OF GOLD FIELDS GHANA LTD. (WHICH IS DEVELOPING THE DEPOSIT), THROUGH A 100% OWNED SUBSIDIARY. AND GOLD FIELDS OF SOUTH AFRICA IS WITH AN 85% INTEREST WILL BE THE OPERATOR. SEE THE MINING RECORD 09/95, P40. REF.

Production statistics

  • Year 1993
    Description Gold Production (Annual) 44400 Ounces Of Gold (Est).
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 1380994.55g

Comments on the production information

  • ONLY PRODUCED 20,053 OZ AU IN 1988 AND 20,527 OZ AU IN 1989. THIS IS UP FROM ONLY 13,400 OZ AU PRODUCED IN 1985 FROM MILLING 100,000 MT ORE.

Reserves and resources

  • Type In-situ
    Estimate year 1995
    Measured 72000000mt ore
    Demonstrated 72000000mt ore
    Total resources 72000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 1.5 g/mt Gold Major 1995
  • Type In-situ
    Estimate year 1995
    Indicated 22400000mt ore
    Demonstrated 22400000mt ore
    Total resources 22400000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 1.8 g/mt Gold Major 1995
  • Type In-situ
    Estimate year 1995
    Measured 76100000mt ore
    Indicated 9000000mt ore
    Demonstrated 85100000mt ore
    Total resources 85100000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 1.22 g/mt Gold Major 1995
  • Type In-situ
    Estimate year 1995
    Measured 148100000mt ore
    Indicated 31400000mt ore
    Demonstrated 179500000mt ore
    Total resources 179500000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 1.4 g/mt Gold Major 1995
  • Type In-situ
    Estimate year 1993
    Indicated 1000000mt ore
    Demonstrated 1000000mt ore
    Total resources 1000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 8.6 g/mt Gold Major 1993
  • Type In-situ
    Estimate year 1992
    Demonstrated 4815000mt ore
    Total resources 4815000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 7.2 g/mt Gold Major 1992
    Silver Ag 0.4 g/mt Silver Trace 1992

Comments on the reserve resource information

  • OPERATION WAS INCLUDED IN THE 1983 AU AVAILABILITY STUDY AND WILL BE UPDATED FOR THE 1992 AU AVAILABILITY STUDY.

Reference information

Bibliographic references

  • Production

    MINING JOURNAL, DEC. 3, 1993, P394.

  • Ownership

    SEE "HP' MINING JOURNAL, 12/93.

  • Ownership

    SEE "R" MINING JOURNAL, 9/95, FOR OWNERSHIP CHANGE.

  • Ownership

    SEE "R" THE MINING RECORD, 9/95, OWNERSHIP DETAIL.

  • Reserve-Resource

    MINING MAGAZING, VOL. 169, NO. 4, P225, OCT. 1993.

  • Reserve-Resource

    MINING JOURNAL, 09/01/95, P152, "GHANA: TARKWA RESOURCE

  • Reserve-Resource

    GROWS".

  • Reserve-Resource

    THE MINING RECORD, 09/06/95, P40, "GOLD RESOURCES INCREASED

  • Reserve-Resource

    AT TARKWA, GHANA".

Reporter information

Type Date Name Affiliation Comment
Reporter 24-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.

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