Saint Pierre

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

Geologic information

Identification information

Deposit ID 10064922
MRDS ID TC39819
Record type Site
Current site name Saint Pierre
Alternate or previous names Crique Saint Pierre

Geographic coordinates

Geographic coordinates: -53.80227, 4.82105 (WGS84)
Location accuracy 10000(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]

Comments on the location information

  • ON MONTAGNE DU NORD

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 Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Unconsolidated Deposit > Gravel
    Rock unit name Paramaca Formation;
    Rock description Paramaca Formation;

Nearby scientific data

(1) -53.80227, 4.82105

Economic information

Ore body information

  • Strike N40E}E
    Dip 45N}
    Thickness 10M
    Length 1125M
    Width 75M
  • Dip 45N}

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Comments on the production information

  • SMALL PRODUCTION IN THE PAST.

Comments on the reserve resource information

  • SURFACE ESTIMATE BETWEEN 0-6 METERS BASED ON TRENCHES; BY WASHING COULD ONLY RECOVER 10%; FOUND 50% AU IS LESS THAN 125 MICRONS. 40% BETWEEN 125 MICRONS AND 1 MM.

Comments on development

  • OUTLINED 2 KM LONG EW GEOCHEM ANOMALY GREATER THAN 100 PPB AVERAGE, 260 PPB ALONG SUMMIT OF MONTAGNE SAINT PIERRE. BRGM 1975-1979; 1980-1984 TRENCHED 4300 METERS BY BRGM. BRGM DRILLED 5 HOLES (550M) QUARTZ STRUCTURE IS 10 METERS THICK, GRADES ARE LESS THAN 1.6 G/T AU.

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

    BRGM, 1979, INVENTAIRE MINIER DU DEPARTEMENT DE LA GUYANE: BILAN ET PERSPECTIVES: MINISTERE DE L'INDUSTRIE; BUREAU DE RECHERCHES GEOLOGIQUE ET MINIERES, AUG. 1979, 127P.

  • 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 MINIERES, DEC. 1987, 58P.

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit SURFACE WORK SHOWS AREA 1200 M LONG AND 70 M WIDE BETWEEN 0-6 METER THICK WITH GREATER THAN 1 G/MT AU. QUARTZ VEIN OUTCROPS HAVE SEVERAL G/T AU ESPECIALLY WITH PYRITE BOXWORKS. STRUCTURE 15-20M WIDE. GRADE AT DEPTH IS 1.6 G/T AU.

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.