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Boruca 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. Alteration
  8. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Ownership information
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10007951
MRDS ID CS00198
Record type Site
Current site name Boruca Prospect
Alternate or previous names Cerro Boruca Prospect

Geographic coordinates

Geographic coordinates: -83.71102, 9.48444 (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

Commodities

Commodity Importance
Copper Primary
Silver Primary

Materials information

Materials Type of material
Bornite Ore
Chalcocite Ore
Chalcopyrite Ore
Magnetite Gangue
Pyrrhotite Gangue

Alteration

  • (Local) Chloritization

Analytical data

Result 22.51 % CU
Result 9.94 OZ/T AG
Result 0.128 OZ/T AU
Result AG AND AU GRADES PER SHORT TONS

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Monzonite
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Dacite

Nearby scientific data

(1) -83.71102, 9.48444
ListMap

Economic information

Ore body information

  • General form VEIN

Comments on the geologic information

  • MONZONITE 1.5 KM TO THE SE.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Ownership information

  • Type Owner
    Owner Samcosa Or Cia. L. S. Condor, S. A.

Comments on the production information

  • 17,208 METRIC TONNES OF ORE SHIPPED TO GERMANY.

Comments on the workings information

  • THE SAN JUAN TUNNEL IS LOCATED AT 381500 N, 496000 E AND THE SANTO TOMAS TUNNEL IS AT 382100 N, 495900 E.

Reference information

Bibliographic references

  • Deposit

    DIRECCION GENERAL DE GEOLOGIA, MINAS E HIDROCARBUROS (DGMH) FILES VIEWED 1986.

  • Deposit

    VISITED BY USGS SCIENTISTS 1986.

  • 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 VEINS.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1986 Cox, Dennis P. 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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