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El Licor Mine

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. Alteration
  7. Mineral occurrence model information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Economic information about the deposit and operations
  13. Mining district
  14. Ownership information
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10090455
MRDS ID CS00066
Record type Site
Current site name El Licor Mine

Geographic coordinates

Geographic coordinates: -85.79025, 10.31635 (WGS84)
Elevation 99

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

  • 150 M N OF SANTA ROSA.

Commodities

Commodity Importance
Manganese Critical Primary

Comments on the commodity information

  • ANALYZED SAMPLE FROM 100 METRIC TONNES ORE MINED IN THE COURSE OF EXPLORATION AND PILED UP W OF THE WORKINGS.

Alteration

  • (Local) Silicification

Analytical data

Result ONE SAMPLE: 34.23 % MN
Result 1.13 % FE
Result 32.32 % INSOLUBLE MATERIAL

Mineral occurrence model information

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

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale

Nearby scientific data

(1) -85.79025, 10.31635
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Fault At N End Of Western Pit Of The Northern Workings Places Ore In Contact With Diorite Or Basalt And May Repeat Orebody.

Ore body information

  • General form LENTICULAR
    Thickness 1.8M
    Length 24M
    Width 6M

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

Comments on the reserve resource information

  • 100 METRIC TONNES MINED IN THE COURSE OF EXPLORATION AND PILED UP JUST W OF THE WORKINGS. NO ORE WAS SHIPPED.
  • A FEW METRIC TONNES OF MEDIUM-GRADE ORE MAY BE LEFT IN THE PITS TO THE NORTHERN WORKINGS.

Comments on the workings information

  • OPEN PITS.

Comments on development

  • MOST OF THE ORE MINED IN THE COURSE OF EXPLORATION WAS FROM THE NORTHERN WORKINGS. LAST EXPLORATORY WORK DONE IN 1938.

Reference information

Bibliographic references

  • Deposit

    WEBBER, B. N., 1942, MANGANESE DEPOSITS OF COSTA RICA, CENTRAL AMERICA: AM. INST. MIN. METALL. PETROL. ENG. TECH. PUB. 1445, P. 5.

  • Deposit

    ROBERTS, R. J., 1944, MANGANESE DEPOSITS IN COSTA RICA: U.S. GEOL. SURV. BULL. 935-H, P. 397-398.

  • 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 MN OXIDES REPLACED CHERT LENS ALONG BEDDING. TWO ORE BODIES MINED: ONE WAS 24 M LONG, 6 M WIDE, AND 60 CM TO 1.2 M THICK, AND THE OTHER WAS 12 M LONG, 4.5 M WIDE, AND UP TO 1.8 M THICK. MAY BE A SINGLE OREBODY REPEATED BY FAULTING. ORE BECOMES SILICEOUS AND THINNER TOWARDS MARGINS. WEBBER (1942) CLAIMS THAT THIS IS THE BEST EXAMPLE OF A RESIDUAL MN DEPOSIT, BUT SUCH CHARACTER IS NOT MENTIONED IN ROBERTS (1944). SMALL PODS AND VEINS OF MN OXIDES AND JASPER IN SHALE AND IGNEOUS ROCK OCCUR TO THE S.

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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