Esmeralda

Past Producer in Chile with commodity Copper
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Host and associated rocks
  8. Nearby scientific data
  9. Geologic structures
  10. Ore body information
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Production statistics
  15. Reserves and resources
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10057999
MRDS ID TC03711
Record type Site
Current site name Esmeralda
Alternate or previous names Don Ruca

Geographic coordinates

Geographic coordinates: -70.43955, -23.74252 (WGS84)
Elevation 120

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
Atacamite Ore
Bornite Ore
Chalcocite Ore
Chalcopyrite Ore
Covellite Ore
Malachite Ore
Gypsum Gangue
Hematite Gangue
Limonite Gangue
Pyrite Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Conglomerate
    Rock unit name Caleta Coloso
    Rock description Caleta Coloso
    Stratigraphic age (youngest) Late Jurassic
    Stratigraphic age (youngest) Late Jurassic

Nearby scientific data

(1) -70.43955, -23.74252

Economic information

Geologic structures

Type of structure Local
Structure description Bedding - N80e, 20s

Ore body information

  • Strike N80E; N80E
    Dip 20S; 80S
    Thickness 10M
    Length 120M
    Width 80M
  • Strike N80E; N80E
    Dip 20S; 80S

Controls for ore emplacement

  • Bedding (Manto); Fault (Vein)

Economic information about the deposit and operations

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

Mining district

District name El Way

Production statistics

  • Year 1966
    Period 1965-66
    Material CU
    Accuracy Accurate
    Description Cp_Grade: ^2.43-3.21%
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Copper Copper 3wt-pct

Reserves and resources

  • Type In-situ
    Estimate year 1967
    Total resources 98000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 6.3 wt-pct Copper Major 1967

Workings at the site

  • Type of workings Surface/Underground
    Area 0.76HA
    Overall depth 45M
    Overall length 173.74M
    Overall width 40M

Reference information

Bibliographic references

  • Deposit

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

  • Deposit

    ENAMI, 1941, #22233.

  • Deposit

    ENAMI, 1961, #22236.

  • Deposit

    ENAMI, 1967, #22312.

  • Other Database

    CIMRI

  • Production

    ENAMI, 1967.

General comments

Subject category Comment text
Deposit FAULT AT N80E, 80S DISPLACES MANTO 30M; NORTH OF FAULT, MANTO IS 40M X 20M X 7M AND SOUTH OF FAULT MANTO IS 110M X 10M X 3M; SOUTH BLOCK IS OF LOW GRADE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1990 Williams, William C. University of Arizona

Beyond USGS

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