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  3. Mineral Resource Data System (MRDS)

Thr

Occurrence in Department of Guiana [French Guiana], France with commodities Zinc, Lead
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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. Economic information about the deposit and operations
  10. Links to other databases
  11. Bibliographic references
  12. General comments
  13. Reporter information

Geologic information

Identification information

Deposit ID 10064905
MRDS ID TC39800
Record type Site
Current site name Thr
Alternate or previous names Saul Permit

Geographic coordinates

Geographic coordinates: -53.50753, 3.67056 (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]

Commodities

Commodity Importance
Zinc Critical Primary
Lead Primary

Comments on the commodity information

  • FINE-GRAINED, CLEAR-WHITE SPHALERITE

Materials information

Materials Type of material
Galena Ore
Pyrite Ore
Sphalerite Ore

Host and associated rocks

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

Nearby scientific data

(1) -53.50753, 3.67056
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Economic information

Comments on the geologic information

  • BASAL SEQUENCE CONSISTS OF BASIC TO ULTRABASIC VOLCANIC, NOW CHLORITE SCHISTS, OVERLAIN BY PHYLLITES (TUFFS AND SHALES) INTERBEDDED WITH INTERMEDIATE TO ACID COMPOSITION TUFFS AND LAVAS. IN THE MIDDLE OF PHYLLITES ARE JASPERS AND HEMATITIC TUFFS AND TUFFS WITH DOLOMITE LENSES. MINERALIZATION LIES IN THIS LEVEL.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Comments on development

  • BRGM-COMILOG DID GEOCHEM AND LIMITED DRILLING PRE-1979.

Reference information

Comments on the other database information

  • TC39800 AND TC39801 ARE NOT DUPLICATES (TINA WELLS 1/94)

Bibliographic references

  • Deposit

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

  • Deposit

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

  • 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 MINIERES, DEC. 1987, 58P.

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit "TECTONIC" BRECCIAS CEMENTED BY SULFIDES PRODUCE LOCAL ENRICHMENTS; SEQUENCE OF MINERALIZATION IS CUT BY VEINS, VEINLETS OF ROSE-QUARTZ AND GALENA. INTERPRETED TO BE A DISTAL MASSIVE SULFIDE.

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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