1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Guayabo Occurrence

Occurrence in San Jose, Costa Rica with commodity Copper
Map
XML
JSON
KML
C
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 10007941
MRDS ID CS00182
Record type Site
Current site name Guayabo Occurrence
Alternate or previous names Guayabo De Mora Occurrence

Geographic coordinates

Geographic coordinates: -84.27215, 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 SW OF GUAYABO.

Commodities

Commodity Importance
Copper Primary

Comments on the commodity information

  • GRADE OF ORE IN PLACE IS LOW, AVERAGING LT 0.2 % CU, BUT THE RICHEST AREAS REACH 1-3 % CU.

Analytical data

Result AVERAGES LT 0.2 % CU, UP TO 3 % CU

Host and associated rocks

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

Nearby scientific data

(1) -84.27215, 9.85109
ListMap

Economic information

Ore body information

  • Length 40M

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

    SANDOVAL M., FELIPE, 1969, MINING POTENTIAL IN COSTA RICA: COSTA RICA, DIR. GEOL. MINAS PETROL., INF. TEC. NOTAS GEOL., V. 8, NO. 32, P. 4.

  • 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 OF NATIVE CU FILLING FRACTURES IN ANDESITIC AND BASALTIC LAVAS. SHEETS AVERAGE 1 CM THICK AND ARE UP TO .1 SQUARE METERS IN AREA. THEY ARE COMMONLY 15 CM TO 1 M APART. SHOWS ARE EXPOSED FOR ABOUT 40 M IN A STREAM CUT, AND PLACER CU CAN BE PANNED FOR 450 M DOWNSTREAM FROM THESE EXPOSURES.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1986 Howe, Stephen S. (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.

Maps centered on this site