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

Juancillo

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. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10104619
MRDS ID TC04380
Record type Site
Current site name Juancillo

Geographic coordinates

Geographic coordinates: -69.8262, -24.58751 (WGS84)
Elevation 2000

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
Chrysocolla Ore
Malachite Ore
Barite Gangue
Gypsum Gangue
Limonite Gangue

Alteration

  • (Local) Propylitic, Silicic

Analytical data

Result TAILINGS: 3.87% CU

Host and associated rocks

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

Nearby scientific data

(1) -69.8262, -24.58751
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Fault At N60-70w, 70ne-90

Ore body information

  • General form IRREGULAR
    Length 100M
    Width 0.2M

Controls for ore emplacement

  • Fault

Comments on the geologic information

  • PREHNITE-PUMPELLYITE METAMORPHISM

Economic information about the deposit and operations

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

Mining district

District name Estacion Lacalle

Workings at the site

  • Type of workings Surface/Underground
    Area 0.3HA
    Overall depth 6M
    Overall length 91.44M
    Overall width 30M

Reference information

Bibliographic references

  • Deposit

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

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit 500M N60W, 500M LONG VEIN TRENDING N80W, 80S.

Reporter information

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

Beyond USGS

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

Maps centered on this site