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El Guastomate Prospect

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

Geologic information

Identification information

Deposit ID 10007838
MRDS ID CS00063
Record type Site
Current site name El Guastomate Prospect

Geographic coordinates

Geographic coordinates: -85.76941, 10.33301 (WGS84)

Site location context

Political divisions (FIPS codes)

Guanacaste(province)

Costa Rica(country)

North America(continent)

Land(continent)

Geographic areas

Country State
Costa Rica Guanacaste

Comments on the location information

  • ABOUT 3 KM NE OF SANTA ROSA. PROBABLY NOT THE SAME LOCATION AS THE NEARBY UNNAMED OCCURRENCE OF MRDS-REV REC. NO. 18 (MRDS REC. NO. 65), AS THERE IS AN OUTCROP AT THE EL GUASTOMATE PROSPECT BUT NOT AT THE UNNAMED OCCURRENCE.

Commodities

Commodity Importance
Manganese Critical Primary

Mineral occurrence model information

Model code 97
USGS model code 24c
Deposit model name Volcanogenic Mn

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale

Nearby scientific data

(1) -85.76941, 10.33301
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Economic information

Ore body information

  • General form PODIFORM
    Strike N 50 W
    Dip NE, STEEP
    Length 9M
    Width 2M

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Santa Rosa District

Ownership information

  • Type Owner
    Owner Octavio Jimenez And Others

Comments on the reserve resource information

  • AVERAGE GRADE IS ABOUT 20 % MN, BUT SMALL POCKETS OF HIGHER-GRADE ORE EXIST LOCALLY. LOW-GRADE, SILICEOUS ORE SHOWINGS NEARBY.

Comments on the workings information

  • SHALLOW CUTS.

Reference information

Bibliographic references

  • Deposit

    ROBERTS, R. J., 1944, MANGANESE DEPOSITS IN COSTA RICA: U.S. GEOL. SURV. BULL. 935-H, P. 399.

  • 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 TWO PODS IN A ZONE PARALLEL TO BEDDING OF THE HOST ROCKS.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-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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