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  3. Mineral Resource Data System (MRDS)

Buena Esperanza

Past Producer in Chile with commodity Copper
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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. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10057817
MRDS ID TC03477
Record type Site
Current site name Buena Esperanza
Alternate or previous names Escalera

Geographic coordinates

Geographic coordinates: -70.14955, -22.44755 (WGS84)
Elevation 700

Site location context

Political divisions (FIPS codes)

Chile(country)

South America(continent)

Land(continent)

Geographic areas

Country
Chile

Commodities

Commodity Importance
Copper Primary

Materials information

Materials Type of material
Chalcanthite Ore
Chrysocolla Ore
Tremolite Gangue

Alteration

  • (Local) Argillic

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Late Jurassic
    Stratigraphic age (youngest) Late Jurassic
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite

Nearby scientific data

(1) -70.14955, -22.44755
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Economic information

Ore body information

  • Strike N30-50E
    Dip 70S
    Length 80M
    Width 1.5M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Gatico

Workings at the site

  • Type of workings Underground
    Overall depth 100M

Comments on the workings information

  • SHAFT, ADIT

Reference information

Bibliographic references

  • Deposit

    FRUTOS, J. AND PINCHEIRA, M., 1987, FICHAS METALOGENICAS DE YACIMIENTOS MINERALES METALICOS CHILENOS, IN FRUTOS, J., OYARZUN, J., AND PINCHEIRA, M., EDS., GEOLOGIA Y RECURSOS MINERALES CHILENOS: UNIVERSIDAD DE CONCEPCION, CONCEPCION, P. 841-888.

  • Deposit

    BORIC, R., DIAZ, F., Y MAKSAEV, V., 1984, COMPLEMENTO MAPA METALOGENICO, II REGION: GERENCIA DE DESAROLLO, SANTIAGO (12 VOLS.).

  • Deposit

    ENAMI, 1966, #2053.

  • Other Database

    CIMRI

  • Reserve-Resource

    ENAMI

General comments

Subject category Comment text
Deposit SEVEN VEINS, THREE OF WHICH HAVE BEEN EXPLOITED AND THE OTHER FOUR EXPLORED DOWN TO 20M. OXIDIZED TO 90M

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-1989 Williams, William C. University of Arizona

Beyond USGS

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

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