Morne De Grand Fond

Occurrence in Department of Guadeloupe, France with commodities Gold, Silver, Copper, Zinc, Mercury
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 10056499
MRDS ID TC00526
Record type Site
Current site name Morne De Grand Fond

Geographic coordinates

Geographic coordinates: -62.82049, 17.90927 (WGS84)
Location accuracy 10000(meters)
Relative position 3.4 KM E OF GUSTAVIA.

Site location context

Political divisions (FIPS codes)

Department of Guadeloupe(province)

France(country)

Europe(continent)

Land(continent)

Geographic areas

Country State
France Department of Guadeloupe

Comments on the location information

  • USED TRIANGULATION STATION ON TOP OF MOUNTAIN AT 274 M.

Commodities

Commodity Importance
Gold Primary
Silver Primary
Copper Secondary
Zinc Critical Secondary
Mercury Tertiary

Materials information

Materials Type of material
Magnetite Ore

Analytical data

Result 9 SAMPLES TAKEN, 3 CONTAINED AU (40, 250, 6450 PPB AU), 6 HAVE DETECTABLE AG (0.5 TO 5.0 PPM). THE HIGHEST ARSENIC IS ONLY 39 PPM. HG RANGES FROM <10 TO 1025 PPB AND THE BASE METALS ARE VERY ANOMALOUS. PB > 200 PPM IN 4 SAMPLES WITH THE HIGH OF 11,930 PPM. ZN IS HIGH IN THE SAME 4 SAMPLES WITH THE HIGHEST BEING 8,850 PPM, AND CU EXCEEDS 100 PPM IN 3 SAMPLES (3120 PPM IS THE HIGHEST).

Host and associated rocks

  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Stratigraphic age (youngest) Oligocene
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite

Nearby scientific data

(1) -62.82049, 17.90927

Economic information

Comments on the geologic information

  • A LARGE FELSITE "PROTRUSIVE" INTRUDES AND PROTRUDES ONTO THE SURROUNDING ANDESITE LAHARS - LOCALLY THE "RHYOLITE" IS BRECCIATED AND CEMENTED BY SILICA WITH INTENSE FRACTURING - AREA OF +50% JAROSITE ORE COMMON.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Comments on development

  • 9 SAMPLES TAKEN

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit THE MASS IN 2-3 KM SQUARE WITH 100 TO 300 M ZONES OF INTENSE SILICA, BRECCIAS, AND STOCKWORK FRACTURING.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-91 Bolm, Karen S. U.S. Geological Survey
Updater 01-AUG-92 Bolm, Karen S. U.S. Geological Survey
Updater 01-APR-93 Page, Norman J. U.S. Geological Survey

Beyond USGS

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