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El Guacalito 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. Production statistics
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10007846
MRDS ID CS00073
Record type Site
Current site name El Guacalito Mine

Geographic coordinates

Geographic coordinates: -85.79164, 10.26774 (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

  • 6.4 KM S OF SANTA ROSA, ON A LOW RIDGE TRENDING N 65 E.

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) -85.79164, 10.26774
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Economic information

Ore body information

  • General form POCKETS, VEINS
    Length 60M
    Width 6M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of last production 1938

Mining district

District name Santa Rosa District

Ownership information

  • Type Operator
    Owner O. Sauter?
  • Type Owner
    Owner Guanacaste Manganese Co.

Production statistics

  • Year 1938
    Period 1938
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Manganese Manganese 30wt-pct

Comments on the production information

  • NOT INCLUDED IN CUMULATIVE PRODUCTION ARE 300 METRIC TONNES MINED IN 1917 BUT NOT SHIPPED BECAUSE OF LOW GRADE. THE 300 METRIC TONNES MINED IN 1938 WERE SHIPPED TO GERMANY BY O. SAUTER.

Comments on the reserve resource information

  • POSSIBLE A FEW METRIC TONNES OF SILICEOUS ORE REMAIN.

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.

  • Production

    ROBERTS (1944)

General comments

Subject category Comment text
Deposit MANGANIFEROUS ZONE 60 M LONG AND 6 M WIDE CONTAINS POCKETS AND VEINS OF MN OXIDES.

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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