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  3. Mineral Resource Data System (MRDS)

Haimaraka River

Past Producer in Guyana with commodities Gold, Diamond
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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. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10061021
MRDS ID TC32149
Record type Site
Current site name Haimaraka River
Alternate or previous names Robert's and Peter's Workings, Barnard's Placers

Geographic coordinates

Geographic coordinates: -60.37713, 6.45097 (WGS84)

Site location context

Political divisions (FIPS codes)

Guyana(country)

South America(continent)

Land(continent)

Geographic areas

Country
Guyana

Comments on the location information

  • FROM LOCATION GIVEN EXTEND UPSTREAM TO HEADWATERS, BARNARD'S PLACERS THOUGHT TO BE ON WEST CONTACT OF THE INTRUSIVE

Commodities

Commodity Importance
Gold Primary
Diamond Primary

Comments on the commodity information

  • NUGGET OF 5 OZ FOUND, DIAMONDS OCCURRED IN BARNARD'S PLACER

Materials information

Materials Type of material
Gold Ore

Mineral occurrence model information

Model code 119
USGS model code 39a
Deposit model name Placer Au-PGE
Mark3 model number 54

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Holocene
  • Host or associated Host
    Rock type Unconsolidated Deposit > Gravel

Nearby scientific data

(1) -60.37713, 6.45097
ListMap

Economic information

Ore body information

  • Length 4827.9M

Comments on the geologic information

  • PLACERS OVERLY A GRANITE INTRUSIVE AND ITS CONTACT WITH METAVOLCANIC ROCKS.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Both
Significant No
Discovery year 1895

Mining district

District name Issineru Division

Comments on the production information

  • DIAMONDS FOUND IN BARNARDS PLACER IN 1900

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 PLACERED GROUND IS ABOUT 3 MI LONG; COARSE GOLD FOUND IN HEADWATERS
Deposit Discovery Year: 1890'S

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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