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El Encanto 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 10007814
MRDS ID CS00031
Record type Site
Current site name El Encanto Mine
Alternate or previous names Playa Real Mines

Geographic coordinates

Geographic coordinates: -85.83191, 10.39274 (WGS84)
Elevation 45

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

  • 1.5 KM S OF PUERTO VIEJO AND ABOUT 100 METERS FROM THE ROAD BETWEEN PLAYA REAL AND PUERTO VIEJO.

Commodities

Commodity Importance
Manganese Critical Primary

Alteration

  • (Local) Silicification

Analytical data

Result 34.23 % MN
Result 7.06 % FE
Result 30.91 % INSOLUBLE MATERIAL (MOSTLY SILICA AND ALUMINA)

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) -85.83191, 10.39274
ListMap

Economic information

Ore body information

  • General form TABULAR
    Dip SE
    Thickness 1.2M

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 production information

  • 1000 METRIC TONNES OF RESIDUAL ORE SAID TO HAVE BEEN SHIPPED DURING 1917-1918 FOR THE MANGANESE MINING AND MANUFACTURING CO.

Comments on the workings information

  • SHALLOW CUTS; 15-M-LONG ADIT.

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 MN OXIDE AND JASPER REPLACE SHALE AND CHERT ALONG BEDDING.

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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