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El Cuchofino Prospect

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. 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 10090457
MRDS ID CS00075
Record type Site
Current site name El Cuchofino Prospect

Geographic coordinates

Geographic coordinates: -85.7958, 10.24551 (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

  • 11 KM S OF SANTA ROSA, NEAR THE FARM OF GREGORIO RODRIGUEZ.

Commodities

Commodity Importance
Manganese Critical Primary

Alteration

  • (Local) Silicification

Analytical data

Result 39.11 % MN
Result 11.07 % FE
Result 18.28 % 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 Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale

Nearby scientific data

(1) -85.7958, 10.24551
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Economic information

Ore body information

  • General form POCKETS
    Length 90M

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Rio Seco-Lagarto District

Ownership information

  • Type Operator
    Owner E. W. Creevy

Comments on the reserve resource information

  • A FEW METRIC TONNES OF ORE PILED ON DUMP. ONLY SMALL POCKETS OF ORE VISIBLE IN THE WALLS OF THE OPEN CUT. LITTLE PROMISE FOR MORE.

Comments on the workings information

  • THE WORKINGS CONSIST OF AN OPEN CUT 12 M LONG AND 6 M WIDE, A PIT 3 M DEEP, AND SEVERAL SHALLOW TRENCHES. MOST OF THE ORE MINED CAME FROM THE OPEN CUT.

Comments on development

  • E. W. CREEVY LAST DID EXPLORATORY WORK IN 1940.

Reference information

Bibliographic references

  • Deposit

    ROBERTS, R. J., 1944, MANGANESE DEPOSITS IN COSTA RICA: U.S. GEOL. SURV. BULL. 935-H, P. 401.

  • 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 THE ORE ZONE TRENDS NW, DIPS STEEPLY, AND CAN BE TRACED FOR 90 M. SOFT MN OXIDES IN SHEARS FROM THE PIT.

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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