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  3. Mineral Resource Data System (MRDS)

Alaska Prospect

Occurrence in San Jose, Costa Rica with commodities Copper, Silver
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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. Mineral occurrence model information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10007966
MRDS ID CS00220
Record type Site
Current site name Alaska Prospect

Geographic coordinates

Geographic coordinates: -83.65824, 9.52194 (WGS84)

Site location context

Political divisions (FIPS codes)

San Jose(province)

Costa Rica(country)

North America(continent)

Land(continent)

Geographic areas

Country State
Costa Rica San Jose

Comments on the location information

  • BETWEEN THE PLAYAS PROSPECT (MRDS-REV REC. NO. 231, MRDS REC. NO. 219) AND THE PIEDRA OCCURRENCE (MRDS-REV REC. NO. 232, MRDS REC. NO. 221).

Commodities

Commodity Importance
Copper Primary
Silver Primary

Materials information

Materials Type of material
Chalcopyrite Ore
Barite Gangue
Galena Gangue
Magnetite Gangue
Pyrite Gangue
Pyrrhotite Gangue
Quartz Gangue

Mineral occurrence model information

Model code 85
USGS model code 22c
Deposit model name Polymetallic veins
Mark3 model number 46

Host and associated rocks

  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite

Nearby scientific data

(1) -83.65824, 9.52194
ListMap

Economic information

Ore body information

  • General form VEIN
    Thickness 0.03M
    Length 50M

Comments on the geologic information

  • UN REPT. 3 DESCRIBES THE DEPOSIT AS A POLYMETALLIC VEIN IN ONE PLACE, A MASSIVE SULFIDE IN ANOTHER.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Reference information

Bibliographic references

  • Deposit

    NACIONES UNIDAS, 1975, PROYECTO DE INVESTIGACION MINERA, COSTA RICA, TRABAJOS VARIOS (DP/UN/COS-72-004/3), INFORME TECNICO 3, 83 P.

  • Deposit

    U.S. GEOLOGICAL SURVEY, DIRECCION GENERAL DE GEOLOGIA, MINAS E HIDROCARBUROS, UNIVERSIDAD DE COSTA RICA, 1987, MINERAL RESOURCE ASSESSMENT OF THE REPUBLIC OF COSTA RICA: U.S. GEOLOGICAL SURVEY MISCELLANEOUS INVESTIGATION SERIES MAP I-1865, 75 P.

General comments

Subject category Comment text
Deposit NUMEROUS VEINS; ONE VEIN IS 50 M LONG AND 30 CM THICK.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1986 Howe, Stephen S. U.S. Geological Survey PARSED HOST ROCK AND ASSOCIATED ROCK INFORMATION FROM OLD SINGLE VALUED FIELD TO NEW MULTIVALUED FIELD
Editor 27-APR-1995 Mosier, Dan U.S. Geological Survey

Beyond USGS

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

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