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  3. Mineral Resource Data System (MRDS)

La Seba Mine

Past Producer 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. Alteration
  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. Mining district
  13. Ownership information
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10007816
MRDS ID CS00033
Record type Site
Current site name La Seba Mine

Geographic coordinates

Geographic coordinates: -85.8333, 10.38996 (WGS84)
Elevation 30

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 400 M SW OF EL ENCANTO MINE.

Commodities

Commodity Importance
Manganese Critical Primary

Alteration

  • (Local) Silicification

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) -85.8333, 10.38996
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Economic information

Ore body information

  • General form TABULAR
    Strike N 10 W
    Dip VERTICAL

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of last production 1918

Mining district

District name Santa Rosa District

Ownership information

  • Type Owner
    Owner Guanacaste Manganese Co.

Comments on the reserve resource information

  • ORE PILED NEAR WORKINGS. GRADE ESTIMATED.
  • MOST OF THE MATERIAL EXPOSED IN THE CUTS IS LOW GRADE. DEPOSIT APPEARS WORKED OUT.

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. 394.

  • 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.

  • Production

    ROBERTS (1944)

General comments

Subject category Comment text
Deposit JASPER ZONE PARALLEL TO BEDDING IN CHERT AND SHALE.

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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