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Manto Verde Punta Del Cobre Cu Mine

Past Producer in Chile with commodities Copper, Gold
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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 10068736
MRDS ID W001977
Record type Site
Current site name Manto Verde Punta Del Cobre Cu Mine

Geographic coordinates

Geographic coordinates: -70.2562, -27.49247 (WGS84)
Elevation 750
Relative position ABOUT 30 KM SE. OF COPIAPO

Site location context

Political divisions (FIPS codes)

Chile(country)

South America(continent)

Land(continent)

Geographic areas

Country
Chile

Commodities

Commodity Importance
Copper Primary
Gold Tertiary

Materials information

Materials Type of material
Chalcocite Ore
Chalcopyrite Ore
Calcite Gangue
Gypsum Gangue
Hematite Gangue
Magnetite Gangue
Pyrite Unknown

Alteration

  • (Local) Vein Deposits Are Hydrothermal, Manto Deposits Are Replacements Of Contact-Metamorphic Rocks, Breccia Pipes Are Hydrothermal And Replacement Bodies

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Granodiorite & Diorite;Diorite & Gabbro, Intrusive Porphyry;Contact Metamorphic Rock;Gneiss, Granite
    Rock description Granodiorite & Diorite;Diorite & Gabbro, Intrusive Porphyry;Contact Metamorphic Rock;Gneiss, Granite
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Early Cretaceous
  • Host or associated Associated
    Rock type Plutonic Rock
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Rock unit name Limestone, Nantoco Formation, Chanacillo Group;Limestone, Sandstone, Abundancia Formation, Chanacillo Group;Marine Lava, Punta Del Cobre Formation, Chanacillo Group;Volcanic & Continental Clastic Rocks, Bandurrias Formation
    Rock description Limestone, Nantoco Formation, Chanacillo Group;Limestone, Sandstone, Abundancia Formation, Chanacillo Group;Marine Lava, Punta Del Cobre Formation, Chanacillo Group;Volcanic & Continental Clastic Rocks, Bandurrias Formation

Nearby scientific data

(1) -70.2562, -27.49247
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description North-Trending Broad Open Folds, Faults Of Varying Lengths And Displacements & Plutonic Masses
Type of structure Local
Structure description Rocks Deformed By Open Folding & Normal & Reverse Faulting. High-Angle Faults Form A Dominant Younger System Of N. To Nw-Striking Fractures And A Lesser Older System Of Ne-Striking Fractures. Principal Valleys Are Fault Controlled

Ore body information

  • General form BRECCIA PIPE IS TRUNCATED BY OVERLYING MANTO
    Strike N20E; N15E; N40W
    Dip 30SE; ? ; SW
    Length 250M
    Width 8M
  • General form BRECCIA PIPE IS TRUNCATED BY OVERLYING MANTO
    Dip 30SE; ? ; SW
  • General form BRECCIA PIPE IS TRUNCATED BY OVERLYING MANTO
    Strike N20E; N15E; N40W
    Dip 30SE; ? ; SW

Controls for ore emplacement

  • Intrusive Contact Between Granodiorite Batholith And Stratified Rocks To East. Rock Shearing And Fluid Movement Produced Tourmalinization And Leaching Of Marginal Zones In Batholith

Comments on the geologic information

  • HOST ROCK IS INTENSELY BRECCIATED

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1550

Mining district

District name Punta Del Cobre

Comments on the reserve resource information

  • FROM 20,000 TO 200,000 TONS OF FINE CU

Workings at the site

  • Type of workings Underground
    Overall depth 140M

Comments on the workings information

  • MANTO STRIKES N. 20 DEG. E., DIPS 30 DEG. E. FRACTURES IN PIPE STRIKE N. 15 DEG. EAST. SOME VEINS; STRIKE N. 40 DEG. W., DIP SW. ACTIVITY INFO FROM SEGERSTROM 1962, P. 109, REF.

Comments on development

  • ENAMI TRIED TO DO A STUDY OF THE RESERVES OF THE DISTRICT

Reference information

Bibliographic references

  • Deposit

    RUIZ, F., CARLOS, 1965, GEOLOGIA Y YACIMIENTOS METALIFEROS DE CHILE: INST. INV. GEOL. CHILE, 305 P. (SPANISH)

  • Deposit

    SEGERSTROM, KENNETH, 1962, CUADRANGULO COPIAPO, PROV. ATACAMA: CHILE INST. INV. GEOL. V. 3, NO. 1, 113 P. (SPANISH)

  • Deposit

    RUIZ, C. AND PEEBLES, F., 1988, YACIMIENTOS METALIFEROS DE CHILE: SANTIAGO, 334 P.

  • Deposit

    DIAZ, ET AL., 1980, MAPA METALOGENICO PRONOSTICO DE LA III REGION: CORPORACION DE FOMENTO DE LA PRODUCCION, SANTIAGO (5 VOLS.)

  • Deposit

    ORTIZ, F., 1971, IIG (INEDITO).

  • Deposit

    ORTIZ, FRANCISCO, 1962, GEOLOGIA Y YACIMIENTOS MINERALES DEL DISTRITO MINERO DE PUNTA DEL COBRE (COPIAPO) PROV. DE ATACAMA: CHILE INST. INV. GEOL. UNPUB. INF. (SPANISH).

  • Deposit

    SEGERSTROM, KENNETH, 1962, CUADRANGULO COPIAPO, PROV. AT ACAMA: CHILE INST. INV. GEOL. V. 3, NO. 1, 113 P. (SPANISH).

  • Deposit

    1960 GEOLMAP KENNETH SEGERSTROM

  • Deposit

    1961 COMPILE EMPRESA NACIONAL DE MINERA (ENAMI)

  • Deposit

    1961 COMPILE INSTITUTO DE INVESTIGACIONES GEOLOGICAS CHILE

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit Discovery Year: MINING IN AREA HAS BEEN KNOWN FOR 400 YEARS
Deposit FRACTURES IN A BRECCIA AND ORIENTATION LISTED IS PRINCIPAL DIRECTION.

Reporter information

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