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Yaou Prospect

Prospect 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. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Ownership information
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10097385
MRDS ID TC39736
Record type Site
Current site name Yaou Prospect
Alternate or previous names Yaou Crique, Bois Blanc Crique

Geographic coordinates

Geographic coordinates: -53.8706, 4.20136 (WGS84)
Relative position 12 KM EAST OF MARIPASOULA.

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

  • ARBITRARY POINT ON YAOU CREEK NEAR BOIS BLANC.

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore
Pyrite Ore
Calcite Gangue
Muscovite Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Schist
    Rock unit name Paramaca Formation
    Rock description Paramaca Formation
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

(1) -53.8706, 4.20136
ListMap

Economic information

Ore body information

  • Name C-L STOCK
    Dip }}}
    Length 350M
    Width 85M
  • Name B ZONE
    Dip }}}
    Length 700M
  • Name A ZONE
    Dip }}}

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic
Significant No

Ownership information

  • Type Operator
    Owner Bureau De Recherches Geologiques Et Minieres (BRGM)
  • Type Operator
    Owner Bhp Minerals International Exploration Inc.
  • Type Operator
    Owner Brgm, 1981; Joint Venture Bhp, 1986
  • Type Operator
    Owner Golden Star Resoures And Cambion
    First year 1993

Comments on the reserve resource information

  • BRGM AND BHP ESTIMATE OF INDICATED AND INFERRED RESOURCES TO 200 M USING 1.0 G/T AU CUT OFF GRADE.

Comments on development

  • SINCE 1990, BRGM AND BHP CONDUCTED 12,500 M DIAMOND DRILLING, 13,000 M MOTORIZED AUGER SAMPLING TO 25 M DEPTH AVERAGE, 10,000 M OF HAND AUGERING, 1900 M OF TRENCHING, 30,000 ASSAY SAMPLES, AND 4000 SOIL SAMPLES. 1981-1982 BRGM DID GEOCHEMISTRY AN AREA 1000 X 250 M AND FOUND 2 ANOMALIES (500 X 100 AND 250 X100 M) OF GREATER THAN 500 PPM.

Reference information

Bibliographic references

  • Deposit

    GOLDEN STAR RESOURCES, 1993, PRESS RELEASE, JUNE 8, DENVER, CO.

  • 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.

  • Deposit

    ANON., 1994, GOLDEN STAR, CAMBION EXPLORE YAOU PROJECT: THE NORTHERN MINER, OCT. 10, 1994, V. 80, NO. 32, P. 1-2.

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit FOUR ORE BODIES. AREA IS 150 SQUARE KM CONCESSION WITH THREE ZONES A, B, AND C-L IN SOUTHERN PART OF AREA. ORE BODY 1: MINERALIZATION HOSTED BY CARBONATIZED QUARTZ DIORITE DIKES; 7 DRILL HOLES INCLUDE 4.4 G/MT AU OVER 52 M, 3.2 G/MT OVER 65 M, OTHERS AVERAGE 0.9-6.8 G/MT OVER 4-46 M. ORE BODY 2: 1.4 G/MT OVER 28 M AND 1.8 G/MT OVER 43 M IN TWO TRENCHES. ORE BODY 3: CHANNEL SAMPLE OF 5 G/MT AU OVER 137 M.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-1993 Page, Norman J. U.S. Geological Survey
Updater 01-DEC-1994 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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