California

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. Reserves and resources
  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 10057760
MRDS ID TC03405
Record type Site
Current site name California

Geographic coordinates

Geographic coordinates: -70.23955, -22.72254 (WGS84)
Elevation 880
Relative position 1200M SOUTH OF CAROLINA MINE, 300M NORTH OF MOSQUITA MINE

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
Chalcanthite Ore
Chalcocite Ore
Chrysocolla Ore
Malachite Ore
Calcite Gangue
Gypsum Gangue

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) -70.23955, -22.72254

Economic information

Geologic structures

Type of structure Local
Structure description Faults At N50-60w, 58sw And N30w, 65sw

Ore body information

  • Strike N60W
    Dip 45SW
    Length 150M
    Width 12M

Controls for ore emplacement

  • Intersection Of Faults

Comments on the geologic information

  • PREHNITE-PUMPELLYITE METAMORPHISM

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Michilla

Reserves and resources

  • Type In-situ
    Estimate year 1944
    Total resources 120000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 3.5 wt-pct Copper Major 1944

Workings at the site

  • Type of workings Surface/Underground
    Area 0.16HA
    Overall depth 35M
    Overall length 182.88M
    Overall width 8M

Reference information

Bibliographic references

  • Deposit

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

  • Deposit

    FLORES, H., 1964, ARCHIVO SERNAGEOMIN #2806.

  • Deposit

    PEDDAR, T., 1944, ARCHIVO SERNAGEOMIN #3703.

  • Other Database

    CIMRI

  • Reserve-Resource

    PEDDAR, T., 1944.

General comments

Subject category Comment text
Deposit ALSO CONCENTRATED IN FRACTURES AND VEINLETS TRENDING N65E, 45SE

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.