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  3. Mineral Resource Data System (MRDS)

San Rafael Occurrence

Occurrence in San Jose, Costa Rica with commodity Copper
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Host and associated rocks
  7. Nearby scientific data
  8. Ore body information
  9. Economic information about the deposit and operations
  10. Mining district
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10090464
MRDS ID CS00181
Record type Site
Current site name San Rafael Occurrence

Geographic coordinates

Geographic coordinates: -84.29715, 9.85109 (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

  • ABOUT 1.5 KM NW OF SAN RAFAEL.

Commodities

Commodity Importance
Copper Primary

Analytical data

Result ORE GRADE LOW

Host and associated rocks

  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite

Nearby scientific data

(1) -84.29715, 9.85109
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Economic information

Ore body information

  • Strike N
    Dip W, STEEP
    Width 8M

Comments on the geologic information

  • THE ANDESITIC AND BASALTIC LAVAS COMMONLY ARE HORIZONTAL BUT LOCALLY ARE FOLDED AND HAVE DIPS AS STEEP AS 30 DEGREES.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Mining district

District name Puriscal Area

Reference information

Bibliographic references

  • Deposit

    ROBERTS, R. J., AND IRVING, E. M., 1957, MINERAL DEPOSITS OF CENTRAL AMERICA: U.S. GEOL. SURV. BULL. 1034, P. 62.

  • 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 THIN SHEETS FILLING FRACTURES IN ANDESITE AND BASALT. THE MINERALIZED ZONE TRENDS N, DIPS STEEPLY W, AND IS ABOUT 8 M WIDE WHERE IT IS EXPOSED IN A SMALL STREAM BED. SOIL COVER PREVENTS THE DETERMINATION OF THE FULL LENGTH OF THE MINERALIZATION. SHEETS ARE COMMONLY ABOUT A METER APART.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-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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