Le Francois

Occurrence in Department of Martinique, France with commodities Gold, Copper
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Alteration
  8. Host and associated rocks
  9. Nearby scientific data
  10. Economic information about the deposit and operations
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10056496
MRDS ID TC00522
Record type Site
Current site name Le Francois

Geographic coordinates

Geographic coordinates: -60.99934, 14.50083 (WGS84)
Relative position EAST-CENTRAL MARTINIQUE

Site location context

Political divisions (FIPS codes)

Department of Martinique(province)

France(country)

Europe(continent)

Land(continent)

Geographic areas

Country State
France Department of Martinique

Comments on the location information

  • USED LAT/LONG GIVEN FOR THE ISLAND

Commodities

Commodity Importance
Gold Primary
Copper Primary

Comments on the commodity information

  • EXAMINED FOR GOLD POTENTIAL BUT NONE FOUND.

Materials information

Materials Type of material
Apophyllite Gangue
Aragonite Gangue
Braunite Gangue
Chabazite Gangue
Gypsum Gangue
Hematite Gangue
Laumontite Gangue
Stilbite Gangue

Alteration

  • (Local) Concentric Zonation Of Alteration (Clay)

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Stratigraphic age (youngest) Miocene
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite

Nearby scientific data

(1) -60.99934, 14.50083

Economic information

Comments on the geologic information

  • PALEO HOTSPRING, PROBABLY 100-200 DEGREES C.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Comments on development

  • REPORTED ALTERATION LED TO EXPLORATION, BUT NO METAL WAS FOUND IN THE ALTERED CLAY AREA. 4 SAMPLES SHOWED NO DETECTABLE GOLD, SILVER, OR MERCURY, AND ONLY ANOMALOUS AMOUNTS (69-179 PPM) COPPER.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit REPORTED TO BE AN OLD HOT SPRINGS WITH SILICA AND GYPSUM, AN AREA OF 10 KM SQ CONTAINS IRRADITIC 'LATERITIC' CLAY DEVELOPMENT WITH SEVERAL 1,000 M ZONES OF WELL FRACTURED ROCKS. SEVERAL VOLCANIC VENTS ARE EVIDENT AND THE LITERATURE INDICATES ANDESITE DIKES CUT THE ANDESITE FLOWS.
Deposit MANGANESE AND JASPER AT L'HABITATION BONNAIRE N OF LE FRANCOIS. PALEO HOTSPRING, PROBABLY 100-200 DEGREES CELSIUS. ; INFO.SRC : 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1991 Bolm, Karen S. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.