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  3. Mineral Resource Data System (MRDS)

Repentir Prospect

Occurrence in Department of Guiana [French Guiana], France 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. Ownership information
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10064890
MRDS ID TC39779
Record type Site
Current site name Repentir Prospect

Geographic coordinates

Geographic coordinates: -53.37781, 3.8761 (WGS84)
Location accuracy 5000(meters)

Site location context

Political divisions (FIPS codes)

Department of Guiana [French Guiana](province)

France(country)

Europe(continent)

Land(continent)

Geographic areas

Country State
France Department of Guiana [French Guiana]

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Gold Ore
Pyrite Ore
Pyrrhotite Ore
Sphalerite Ore
Quartz Gangue

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 > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

(1) -53.37781, 3.8761
ListMap

Economic information

Ore body information

  • Length 300M

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Ownership information

  • Type Operator
    Owner Brgm (Pre 1983-; Joint-Venture With Cyprus Mineral Co. .
    First year 1986
    Last year 1987

Comments on development

  • PRE-1983, BRGM DID GEOCHEMISTRY IN AREA 2.5X1.5 KM AND DRILLED 5 HOLES OF 100 TO 150 M DEEP (825 M TOTAL); INTERSECTED 1.8 M OF 18 G/T AU, 2.80 M OF 1.2 G/T AU, 1.00 M OF 24 G/T AU, AND ESTIMATED 250 M DEPTH AND BETWEEN HOLES 5.5 METRIC TONS OF AU. HAD AREAS OF UP TO 400 PPM AU ANOMALIES. IN 1983, AVERAGE GRADE OF 22 G/T AU ON 3000 METERS OF QUARTZ VEIN. 1986-1987 JOINT VENTURE DRILLED 5 HOLES, 4 BARREN, ONE WITH 1.5 M OF 85 G/T AU, 4 M OF 8.3 G/T AU. CYPRUS PULLED OUT IN 1987.

Reference information

Bibliographic references

  • Deposit

    CHOUBERT, B., 1974, LE PRECAMBRIEN DES GUYANES: MEMOIRES DU BUREAU DE RECHERCHES GEOLOGIQUES ET MINIERES NO. 81, 212P.

  • Deposit

    CHOUBERT, B., 19(?), CARTE GEOLOGIQUE DU DEPARTEMENT DE LA GUYANE: SERVICE DE LA CARTE GEOLOGIQUE DE LA FRANCE, SCALE 1:500,000, NO DATE GIVEN.

  • Deposit

    LANGEVIN, C., 1979, FEUILLE SAUL AU 1/100,000: SERVICE DE LA CARTE GEOLOGIQUE DE LA FRANCE, SALE 1:100,000.

  • Deposit

    LASSERRE, J.L., AND PLAT, R., 1987, INVENTAIRE MINIER DE LA GUYANE: MINISTERE DE L'INDUSTRIE DES POSTIS ET TELECOMMUNICATIONS ET DU TOURISME, BUREAU DE RECHERCHES GEOLOGIQUES ET MINERES, DEC. 1987, 58P.

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit IDENTIFIED 14 QUARTZ VEINS OF TOTAL LENGTH OF 3000M. FIVE VEINS WITH AVERAGE GRADES OF 30 G/T AU OVER 200-300M.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-1993 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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