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

Tocopilla Cu Mine

Producer in Chile with commodities Copper, Cobalt, Nickel, Antimony, Arsenic
Map
XML
JSON
KML
B
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. Ownership information
  15. Production statistics
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10068485
MRDS ID W001555
Record type Site
Current site name Tocopilla Cu Mine

Geographic coordinates

Geographic coordinates: -70.18288, -22.07755 (WGS84)
Elevation 1500
Relative position ABOUT 5 KM. NE. OF COAST CITY, TOCOPILLA

Site location context

Political divisions (FIPS codes)

Chile(country)

South America(continent)

Land(continent)

Geographic areas

Country
Chile

Commodities

Commodity Importance
Copper Primary
Cobalt Critical Secondary
Nickel Critical Secondary
Antimony Critical Secondary
Arsenic Critical Secondary

Materials information

Materials Type of material
Chalcopyrite Ore
Actinolite Gangue
Hematite Gangue
Magnetite Gangue
Molybdenite Gangue
Pyrite Gangue
Uraninite Gangue

Alteration

  • (Local) Hypogene Mineralization Formed In Following Order: Actinolite Partially Becomes Chlorite, Quartz, Hematite, Magnetite, Pyrite, Chalcopyrite, Uraninite, Molybdenite, Calcite. Mineralization To Depth Of 670 M Below Surface.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Tonalite
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Tonalite
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite

Nearby scientific data

(1) -70.18288, -22.07755
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description North-Trending Folds, Faults, And Plutonic Masses.

Ore body information

  • Strike N. 70 DEG. E.
    Dip 60-90 DEG. S.
    Length 3000M
    Width 2000M

Controls for ore emplacement

  • 2 Prominent Sets Of Fractures Trending Ne. & Ene. At The S. & Se. Part Of Batholith At Contact With Jurassic Andesitic Volcanic Rocks

Comments on the geologic information

  • GEOL.DESC: BATHOLITH INTRUDES JURASSIC ANDESITIC VOLCANIC ROCKS

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Medium
Significant No
Year of first production 1920

Ownership information

  • Type Owner
    Owner Mine Is Part Of Government - Owned Empressa Nacional De Mineria (Enami)

Production statistics

  • Year 1965
    Period 1920 - 1965
    Material ORE
    Accuracy Accurate
    Description Cp_Grade: ^3.1 % Cu
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Copper Copper 3wt-pct
  • Year 1965
    Period 1920 - 1965
    Material ORE
    Accuracy Accurate
    Description Cp_Grade: ^16.0 % Cu
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Copper Copper 16wt-pct

Comments on the production information

  • PRODUCTION EST. BASED ON METAL PRODUCTION FROM 3.0% CU. ORE

Comments on the reserve resource information

  • EST. BASED ON PAST PRODUCTION - POTENTIAL RESOURCES EQUAL TO RESERVES - ALSO (ENAMI) INVESTMENT IN MINE PROPERTY
  • EST. BASED ON PRODUCTION HISTORY AND (ENAMI) INVESTMENT IN MINE PROPERTY
  • EST. BASED ON PRODUCTION HISTORY AND (ENAMI) INVESTMENT

Reference information

Comments on the other database information

  • RECORD NUMBER TC41670 IS A POTENTIAL DUPLICATE OF THIS RECORD

Bibliographic references

  • Deposit

    RUIZ, F., CARLOS, 1965, GEOLOGIA Y YACIMIENTOS METALIFEROS DE CHILE: INST. INV. GEOL., TABLE 1, P. 214, 215 (SPANISH)

  • Deposit

    MINING JOUR., ANN. REV. 1969, JUNE, P. 258

  • Deposit

    FLORES, HECTOR, AND HELVIA, JORGE, 1952, ANTECEDENTES GEOLOGICOS SOBRE LA MINA DESPRECIADA DE LA CIA. MINERA TOCOPILLA: MEM. 1ST CONV. INTER-AMER. RECURSOS MINERALES, MINERALES, MEXICO.

  • Deposit

    1952 COMPILE SANTIAGO DEPT. MINAS PETROL.

  • Deposit

    1961 COMPILE UNIV. CHILE

  • Production

    1) MIN. JOUR. ANN. REV. 1969, REF. 2) RUIZ, F., 1965, P. 216, REF.

  • Reserve-Resource

    EST. G. GOUDARZI 3/73.

General comments

Subject category Comment text
Deposit GROUP OF VEINS CALLED MINITA DESPRECIADA IS MAJOR PRODUCER OF DEPOSIT.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1973 Davidson, Claire B. U.S. Geological Survey

Beyond USGS

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

Maps centered on this site