Matthews Ridge Manganese Mine

Past Producer in Guyana with commodity Manganese
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Nearby scientific data
  7. Ore body information
  8. Economic information about the deposit and operations
  9. Mining district
  10. Mineral rights holdings
  11. Land status
  12. Ownership information
  13. Reserves and resources
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10158522
MAS/MILS ID 3120000055
Record type Site
Current site name Matthews Ridge Manganese Mine

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -60.16604, 7.53449 (WGS84)
Elevation 106

Site location context

Political divisions (FIPS codes)

Guyana(country)

South America(continent)

Land(continent)

Federal lands

Federal(land status)

Geographic areas

Country
Guyana

Commodities

Commodity Importance
Manganese Critical Tertiary

Nearby scientific data

Ore Body (1) -60.16604, 7.53449

Economic information

Ore body information

  • Thickness 2M
    Length 3000M
    Area 2000HA
    Field Value
    Type of Orebody #1 REPLACEMENT
    Shape of Orebody #1 OTHER
    Primary mode of Origin OXIDATION
    Primary Ore Control BEDDING
    Degree of Wallrock Alter. MODERATE
    Type of Wallrock Alter. #1 INTERM ARGILLIC
    Strike And Dip N90E:
    Minimum Depth to Top 0
    Min. Thick. Unconsol. Mat. 0
    Total Surface Area (HA) 2000
    Date of Last Modification 780213

Economic information about the deposit and operations

Operation type Surface
Development status Past Producer
Commodity type Metallic
Significant No
Year of first production 1961

Mining district

District name Northwest District

Mineral rights holdings

Type of mineral rights Other

Land status

Ownership category Federal

Ownership information

  • Type Owner
    Owner Government Of Guyana-Department Undetermined
    Interest 100
    Home office Guyana
    Year 1968

Reserves and resources

  • Type In-situ
    Estimate year 1969
    Measured 230000mt ore
    Demonstrated 230000mt ore
    Total resources 230000mt ore
    Commodity Subtype Grade units Group Importance Year
    Manganese Mn 37 wt-pct Manganese Trace 1969

Reference information

Bibliographic references

  • Deposit

    WESTERMAN, A. R.;1970,A STRUCTURAL ANALYSIS OF THE MATTHEW'S

  • Deposit

    MANGANESE MINE: 8TH GUIANA GEOL. CONF., PROC.

General comments

Subject category Comment text
Deposit PAGE 14 IS BASED ON THE ASSUMPTION THAT THE ORE IS SHIPPED T IN 1968 THE GOVERNMENT PURCHASED THE MINE AFTER UNION CARBID DECIDED TO CLOSE IT. THE CLOSURE WAS THE RESULT OF A DROP IN THE ORE OCCURS IN THIN MULTIPLE BEDS INTERBEDDED WITH SL

Reporter information

Type Date Name Affiliation Comment
Reporter 21-OCT-1983 Unknown U.S. Bureau of Mines

Beyond USGS

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