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Bella Vista Mine

Occurrence in Puntarenas, Costa Rica with commodities Gold, Silver
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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. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Economic information about the deposit and operations
  14. Mining district
  15. Ownership information
  16. Reserves and resources
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10007911
MRDS ID CS00147
Record type Site
Current site name Bella Vista Mine
Alternate or previous names Montezuma, Bellavista. Includes the Chimenea, Brocero, Canal, Negra, Blanca, Sin Nombre and Colorado Veins.

Geographic coordinates

Geographic coordinates: -84.71244, 10.11358 (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

  • INCLUDES THE CHIMENEA, CANAL, NEGRA, BLANCA, AND COLORADO VEINS.

Commodities

Commodity Importance
Gold Primary
Silver Secondary

Materials information

Materials Type of material
Galena Gangue
Goethite Gangue
Pyrite Gangue
Quartz Gangue
Sphalerite Gangue

Alteration

  • (Local) Silicification, Clays

Analytical data

Result ASSAY DATA (1966) FOR VEIN MATERIALS GIVEN BY MILLER (1966).

Mineral occurrence model information

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

Host and associated rocks

  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Stratigraphic age (youngest) Pliocene

Nearby scientific data

(1) -84.71244, 10.11358
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Liz Fault

Ore body information

  • General form VEIN
    Strike N 70 E
    Dip 75 N

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 American Energy Corp. And Rembrandt Gold Mines Ltd. ; Rea Gold Corp. ); Mi
    First year 1984
    Last year 1984

Reserves and resources

  • Type In-situ
    Estimate year 1986
    Total resources 34000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 6.85 g/mt Gold Major 1986
  • Type In-situ
    Estimate year 1981
    Total resources 9000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 0.49 g/mt Gold Major 1981
  • Type In-situ
    Estimate year 1981
    Commodity Subtype Grade units Group Importance Year
    Gold Au 0.508 g/mt Gold Major 1981
  • Type In-situ
    Estimate year 1981
    Commodity Subtype Grade units Group Importance Year
    Gold Au 0.32 g/mt Gold Major 1981
  • Type In-situ
    Estimate year 1981
    Commodity Subtype Grade units Group Importance Year
    Gold Au 0.312 g/mt Gold Major 1981
  • Type In-situ
    Estimate year 1986
    Commodity Subtype Grade units Group Importance Year
    Gold Au 0.312 g/mt Gold Major 1986

Comments on the reserve resource information

  • AU (1) PROVEN AND PROBABLE MINEABLE RESERVES; AU (2) OPTIMIZATION STUDY OF RESERVES. ORE (1) PROVEN, ORE (2) PROBABLY, ORE (3) INFERRED FOR BELLA-VISTA MINE; ORE (4) RESERVES MONTEZUMA, ORE (5) BELLA-VISTA RESERVES, ORE (6) MONTEZUMA INFERRED RESERVES.

Comments on the workings information

  • MILLER (1966) HAS DESCRIPTIONS OF SOME OF THE UNDERGROUND WORKINGS.

Reference information

Bibliographic references

  • Deposit

    REITZ, M. F., 1902, THE GOLD MINES OF COSTA RICA: ENG. MIN. J., V. 74, NO. 7, P. 212-213.

  • Deposit

    VISITED BY USGS SCIENTISTS 1986.

  • Deposit

    ORGANIZACION DE LOS ESTADOS AMERICANOS, 1978, DIAGNOSTICO DEL SECTOR MINERO: SAN JOSE, ORGANIZACION DE LOS ESTADOS AMERICANOS, 91 P.

  • Deposit

    THE NORTHERN MINER, 1986, MIDLAND DISCOVERY COSTA RICAN PROJECT: THE NORTHERN MINER, JULY 7, V. 72, NO. 17, P. 13.

  • 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.

  • Deposit

    ANON, 1993, BELLAVISTA PROJECT REASSESSED: MINING JOURNAL, LONDON, NOV. 19, 1993, V. 321, P. 344.

  • Deposit

    AMERICAN ENERGY CORPORATION, 1981, CORPORATE PROFILE, 13 P.

  • Deposit

    REA GOLD CORPORATION, 1986, ANNUAL REPORT, P. 9.

  • Deposit

    MILLER, C.L., 1966, EXPLORATION OF THE BELLAVISTA AND MONTEZUMA GOLD MINES IN COSTA RICA: UNPUBLISHED REPORTS APRIL-DECEMBER 1966.

General comments

Subject category Comment text
Deposit NORTH-TRENDING VEINS OF QUARTZ WITH ORE IN HANGING WALL OF LIZ FAULT. VEINS INCLUDE CHIMENEA, CANAL, NEGRA, BLANCA, AND COLORADO.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1986 Howe, Stephen S. (Cox, Dennis P.) U.S. Geological Survey
Updater 01-DEC-1993 Page, Norman J. U.S. Geological Survey
Updater 07-MAR-1995 Page, Norman J. U.S. Geological Survey

Beyond USGS

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

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