1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Juana

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. Reserves and resources
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. Reporter information

Geologic information

Identification information

Deposit ID 10057904
MRDS ID TC03595
Record type Site
Current site name Juana

Geographic coordinates

Geographic coordinates: -70.24455, -23.27586 (WGS84)
Elevation 1157

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
Chrysocolla Ore
Malachite Ore
Quartz Gangue

Alteration

  • (Local) Argillic, Kaolinitic

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Rock unit name La Negra Formation
    Rock description La Negra Formation
    Stratigraphic age (youngest) Late Jurassic
    Stratigraphic age (youngest) Late Jurassic
    Stratigraphic age (youngest) Late Jurassic
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite

Nearby scientific data

(1) -70.24455, -23.27586
ListMap

Economic information

Ore body information

  • General form IRREGULAR
    Length 100M
    Width 20M

Comments on the geologic information

  • 1-3M OF OVERBURDEN.

Economic information about the deposit and operations

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

Mining district

District name El Desesperado

Reserves and resources

  • Type In-situ
    Estimate year 1967
    Total resources 44000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 2.2 wt-pct Copper Major 1967

Workings at the site

  • Type of workings Surface
    Area 0.2HA
    Overall depth 15M
    Overall length 91.44M
    Overall width 20M

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, 1967, #22312.

  • Other Database

    CIMRI

  • Reserve-Resource

    ENAMI, 1967.

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.

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