Fresia

Past Producer in Chile with commodities Copper, Silver
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. Economic information about the deposit and operations
  13. Mining district
  14. Production statistics
  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 10057806
MRDS ID TC03466
Record type Site
Current site name Fresia

Geographic coordinates

Geographic coordinates: -70.22122, -22.46755 (WGS84)

Site location context

Political divisions (FIPS codes)

Chile(country)

South America(continent)

Land(continent)

Geographic areas

Country
Chile

Commodities

Commodity Importance
Copper Primary
Silver Secondary

Materials information

Materials Type of material
Atacamite Ore
Chalcopyrite Ore
Chrysocolla Ore
Covellite Ore
Malachite Ore
Calcite Gangue
Gypsum Gangue
Limonite Gangue
Quartz 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) -70.22122, -22.46755

Economic information

Geologic structures

Type of structure Local
Structure description Post-Mineral Fault (O, 75e) Cuts Vein In West.

Ore body information

  • Strike N75W
    Dip 85S
    Length 150M
    Width 0.1M

Economic information about the deposit and operations

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

Mining district

District name Gatico

Production statistics

  • Year 1964
    Material CU
    Accuracy Accurate
    Description Ap_Grade: ^19.3%
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Copper Copper 19wt-pct
  • Year 1964
    Material AG
    Accuracy Accurate
    Description Ap_Grade: ^10.7 G/T
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Silver Silver 11g/mt

Workings at the site

  • Type of workings Underground
    Area 0.16HA
    Overall depth 94M
    Overall length 45.72M
    Overall width 32M

Comments on the workings information

  • SHAFT, ADIT

Comments on development

  • ECON.COM: PROSPECTIVE

Reference information

Bibliographic references

  • Deposit

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

  • Deposit

    ENAMI, 1963 AND 1964, #2034.

  • Deposit

    ENAMI, 1966, #2053R.

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit OXIDIZED TO 20M; SUPERGENE ENRICHMENT TO 50M.

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.