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

La Libertad Prospect

Occurrence in Guanacaste, Costa Rica with commodity Manganese
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. Mineral occurrence model information
  7. Nearby scientific data
  8. Ore body information
  9. Economic information about the deposit and operations
  10. Mining district
  11. Ownership information
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10090445
MRDS ID CS00020
Record type Site
Current site name La Libertad Prospect
Alternate or previous names Cerro Colorado Prospect

Geographic coordinates

Geographic coordinates: -85.64996, 10.49689 (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

  • ACCORDING TO SEARS (1919), THE MINE IS LOCATED W OF THE ROAD BETWEEN SARDINAL AND SAN BLAS, ABOUT 3 KM S OF SARDINAL, UP THE S SLOPE AND ALONG THE CREST OF A NARROW, ELONGATED HILL. ROBERTS (1944) LOCATES THE MINE 2.5 KM S OF SARDINAL.

Commodities

Commodity Importance
Manganese Critical Primary

Mineral occurrence model information

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

Nearby scientific data

(1) -85.64996, 10.49689
ListMap

Economic information

Ore body information

  • Strike N 40 W
    Dip VERTICAL
    Width 1M

Comments on the geologic information

  • THERE IS A WHITE METAMORPHIC ROCK W OF THE MN OXIDE ZONE, AND METAMORPHIC AND IGNEOUS ROCKS E OF THE ZONE.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Sardinal District

Ownership information

  • Type Operator
    Owner E. W. Creevy
  • Type Owner
    Owner Rothe Co.

Comments on the reserve resource information

  • ORE IS LOW GRADE AND VERY SILICEOUS. LITTLE COMMERCIAL PROMISE.

Comments on the workings information

  • TRENCHES AND SHALLOW CUTS.

Comments on development

  • CREEVY CLEANED OUT OLD TRENCHES AND EXTENDED TWO OF THEM IN 1939.

Reference information

Bibliographic references

  • Deposit

    SEARS, J. D., 1919, DEPOSITS OF MANGANESE ORE IN COSTA RICA: U.S. GEOL. SURV. BULL. 710-C, P. 77.

  • Deposit

    ROBERTS, R. J., 1944, MANGANESE DEPOSITS IN COSTA RICA: U.S. GEOL. SURV. BULL. 935-H, P. 411.

  • 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 ACCORDING TO SEARS (1919), THERE ARE BOULDERS SCATTERED ABOUT, THE HOST ROCK IS STAINED, AND THERE IS A LAYER OF ORE ABOUT 60 CM THICK, VERTICAL, AND EXPOSED IN ONE OF THE TWO SMALL CUTS ON THE S SLOPE. ROBERTS (1944) STATES THAT THE SILICEOUS MN OXIDE ZONE IS 1 M WIDE, STRIKES N 40 W, AND HAS A VERTICAL DIP.

Reporter information

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