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

Main Reef-Tamakay Mine Area

Past Producer in Guyana with commodity Gold
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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. Mineral occurrence model information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Ownership information
  14. Production statistics
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10061025
MRDS ID TC32153
Record type Site
Current site name Main Reef-Tamakay Mine Area
Alternate or previous names Puzzle, May Flat, Eva, Fate, Hope, Gift No. 3 Workings

Geographic coordinates

Geographic coordinates: -60.21628, 6.40681 (WGS84)

Site location context

Political divisions (FIPS codes)

Guyana(country)

South America(continent)

Land(continent)

Geographic areas

Country
Guyana

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore
Pyrite Ore

Mineral occurrence model information

Model code 273
USGS model code 36a
Deposit model name Low-sulfide Au-quartz vein
Mark3 model number 27

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

(1) -60.21628, 6.40681
ListMap

Economic information

Ore body information

  • Strike N30W
    Dip 40SW
    Thickness 0.3M
    Length 914.4M
    Width 48.77M

Comments on the geologic information

  • NEAR CONTACT WITH GREENSTONES

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Significant No
Discovery year 1937

Mining district

District name Issineru Division

Ownership information

  • Type Operator
    Owner Tamakay Mining Syndicate , Diamonds And Metals Exploration Co. Inc
    First year 1937
    Last year 1954

Production statistics

  • Year 1939
    Period 1937-1939
    Material AU
    Description Cp_Grade: ^1.25 Oz/Ton Au
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 35g/mt
  • Year 1939
    Period 1937-1939
    Material ORE
    Description Cp_Grade: ^0.887 Oz/Ton Au
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Gold Gold 25g/mt

Comments on the production information

  • ORE IS PARTIAL AMOUNT FROM HOPE, FATE, EVA AND PUZZLE AND PRODUCED 2323.507 OZ OF AU; AU(2) FROM WASHING ALLUVIUM AND 500 TONS OF QUEENSLANE VEIN MATERIAL

Comments on the reserve resource information

  • TAILINGS OF HOPE AND GOMES MILL HAD 0.375 TO 0.705 OZ/TON AU

Reference information

Bibliographic references

  • Deposit

    MACDONALD, J.R., 1968, A GUIDE TO MINERAL EXPLORATION IN GUYANA: GEOLOGICAL SURVEY OF GUYANA, BULLETIN 38, P. 37.

  • Deposit

    BRYN DAVIES, D.A., 1941, GEOLOGY, GOLD, AND DIAMOND DEPOSITS OF THE AWARAPARI-ISSINERU-PUTA RENG AREA, UPPER MAZARUNI RIVER: GEOLOGICAL SURVEY OF BRITISH GUIANA, BULLETIN NO. 17.

  • Other Database

    CIMRI

  • Production

    BRYN DAVIES (1941)

General comments

Subject category Comment text
Deposit WIDTH IS DEPTH OF PITS TO WATER TABLE

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1992 Page, Norman J. U.S. Geological Survey

Beyond USGS

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

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