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  3. Mineral Resource Data System (MRDS)

Roseau River Drainage

Occurrence in Saint Lucia 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. 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 10061620
MRDS ID TC34540
Record type Site
Current site name Roseau River Drainage

Geographic coordinates

Geographic coordinates: -60.99934, 13.88419 (WGS84)
Relative position ABOUT 13.5 KM SE OF CASTRIES.

Site location context

Political divisions (FIPS codes)

Saint Lucia(country)

Geographic areas

Country
Saint Lucia

Commodities

Commodity Importance
Gold Tertiary

Materials information

Materials Type of material
Clay Gangue
Quartz Gangue
Sericite Gangue

Alteration

  • (Local) Clay, Sericite, Quartz

Analytical data

Result OF 8 ROCK AND 17 STREAM SILT SAMPLES, 3 ROCK END 1 STREAM SILT SAMPLE EXCEEDED 70 PPB GOLD WITH HIGHEST BEING 378 PPB AU FROM CLAY ALTERED AND PYRITE BEARING ANDESITE. SILVER IS ONLY ANOMALOUS, NO ANTIMONY, ARSENIC UP TO 184 PPM CU -42 TO 562 PPM, ANOMALOOUS PB, MO WITH NO ZN. STREAM SED. ANOMALY - AU, .07
Result AS, .117
Result SB, 4.5
Result SE, 4.1
Result CU, 101
Result NI, 21
Result PB, 37
Result SN, 31, PPM.

Host and associated rocks

  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic)

Nearby scientific data

(1) -60.99934, 13.88419
ListMap

Economic information

Comments on the geologic information

  • STOCKWORK QUARTZ VEINING, CLAY, SERICITE, AND SILICA ALTERATION. INTRUSIVE BRECCIAS ARE EVIDENT FROM FLOAT IN THE STREAM GRAVEL. +/- 300 FT THICK SEQUENCE OF BEDDED PYRITIC CHERTS WITH LAMINATED PYRITE, 2 KM DIAMETER .

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Reference information

Bibliographic references

  • Deposit

    MAASSEN, LARRY, W., 1984, THE GEOCHEMICAL ATLAS OF ST. LUCIA, WEST INDIES: LOS ALAMOS NATIONAL LABORATORY - LA-UR-84-1747, 224 P

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit WITHIN CALDERA COLLAPSE ARE 15 SQ KM , LARGELY UNMAPPED, VERY LARGE AREA. ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1992 Page, Norman J. (Bolm, Karen) U.S. Geological Survey

Beyond USGS

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

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