La Trinidad Mine

Occurrence in Puntarenas, Costa Rica with commodities Gold, Silver
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Alteration
  8. Mineral occurrence model information
  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 10007910
MRDS ID CS00146
Record type Site
Current site name La Trinidad Mine
Alternate or previous names Trinidad Mine

Geographic coordinates

Geographic coordinates: -84.72355, 10.11497 (WGS84)

Site location context

Political divisions (FIPS codes)

Puntarenas(province)

Costa Rica(country)

North America(continent)

Land(continent)

Geographic areas

Country State
Costa Rica Puntarenas

Comments on the location information

  • NEAR MIRAMAR. THE MIRAMAR DISTRICT IS THE MONTE DE ORO DISTRICT OF REITZ (1902). INCLUDES THE SAN JUAN, EL GALLO, GEMELLOS, LA CULEBRA, LA FORTUNA, PROVIDENCIA, AND ANGEL VEINS.

Commodities

Commodity Importance
Gold Primary
Silver Secondary

Materials information

Materials Type of material
Gold Ore
Quartz Gangue

Alteration

  • (Local) Supergene(?), Prophyillitization, Silicification

Analytical data

Result ORE GRADE IN G/T AU FOR THE VEINS: SAN JUAN, 0.53
Result EL GALLO, 0.40
Result GEMELLOS, 1.15
Result LA CULEBRA, 6.72
Result LA FORTUNA, 13.99
Result PROVIDENCIA, 14.73
Result AND ANGEL, 0.358. THE WALLROCK SURROUNDING VETA LA CULEBRA HAS 1.10 G/T AU.

Mineral occurrence model information

Model code 151
USGS model code 25d
Deposit model name Epithermal vein, Sado
Mark3 model number 28

Nearby scientific data

(1) -84.72355, 10.11497

Economic information

Ore body information

  • General form VEIN

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Mining district

District name Miramar District

Ownership information

  • Type Owner
    Owner Rudin And Cia.

Reference information

Bibliographic references

  • Deposit

    REITZ, M. F., 1902, THE GOLD MINES OF COSTA RICA: ENG. MIN. J., V. 74, P. 212.

  • Deposit

    BENNETT, EVAN, 1939, GOLD MINING IN COSTA RICA: ENG. MIN. J., V. 140, P. 56-58.

  • Deposit

    DIRECCION GENERAL DE GEOLOGIA, MINAS E HIDROCARBUROS (DGMH) UNPUBLISHED FILES VIEWED 1986.

  • 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 DESCRIBED BY REITZ (1902) AS LARGE VEINS OF LOW-GRADE ORE. VETA SAN JUAN STRIKES N 25 E, IS VERTICAL, HAS MUCH FAULT MOVEMENT, AND HAS AN ALTERATION THAT APPEARS TO BE SUPERGENE WITH KAOLINITE AND MN OXIDES; VETA EL GALLO STRIKES N 25 W, DIPS N, IS 1.4 M THICK, AND HAS OPEN-SPACE FILLING; VETA GEMELLOS STRIKES N 25 E AND IS INTENSELY PROPYLLITIZED; VETA LA CULEBRA STRIKES N 25 W, IS 75 CM THICK, AND HAS OPEN-SPACE FILLING; VETA FORTUNA STRIKES N 25 E, IS 1.2 M THICK, IS SILICIFIED AND PROPYLLITIZED, AND MAY BE A BRANCH OF VETA LA CULEBRA; VETA PROVIDENCIA STRIKES N 5 W, DIPS E, AND CONTAINS DENSE QUARTZ AND MN OXIDES; VETA ANGEL STRIKES N 25 E, IS 1.6 M THICK, AND CONTAINS MONTMORILLONITE AND MN AND FE OXIDES.
Deposit INACTIVE BETWEEN 1892 AND 1902, AND POSSIBLY LONGER, BECAUSE OF POOR RECOVERY BY AMALGAMATION. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1986 Howe, Stephen S. (Cox, Dennis P.) U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.