Quebrada Millo

Occurrence in Chile with commodities Copper, Molybdenum, Lead, Zinc
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. Economic information about the deposit and operations
  11. Mining district
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10057582
MRDS ID TC03176
Record type Site
Current site name Quebrada Millo

Geographic coordinates

Geographic coordinates: -68.72034, -21.90172 (WGS84)
Elevation 3600

Site location context

Political divisions (FIPS codes)

Chile(country)

South America(continent)

Land(continent)

Geographic areas

Country
Chile

Comments on the location information

  • MIDPOINT OF PROSPECT

Commodities

Commodity Importance
Copper Primary
Molybdenum Primary
Lead Primary
Zinc Critical Primary

Comments on the commodity information

  • ZINC ANOMALIES SOUTH OF ALTERATION, COPPER AND MOLYBDENUM EAST OF ALTERATION, AND MANGANESE AND LEAD ANOMALIES ALL WITHIN STREAM SEDIMENTS

Materials information

Materials Type of material
Chrysocolla Ore
Galena Ore
Malachite Ore
Sphalerite Ore
Hematite Gangue
Limonite Gangue
Quartz Gangue

Alteration

  • (Local) Sericitic, Silicic, Propylitic

Analytical data

Result SAMPLES IN ALTERATION: 0.57-3.5% CU
Result 7-12PPM MO: 46-411PPM ZN
Result 20-300PPM AS.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Paleocene
    Stratigraphic age (youngest) Paleocene
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite

Nearby scientific data

(1) -68.72034, -21.90172

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Mining district

District name Cerro Colorado

Comments on development

  • MAPPING AND SAMPLING 1976-77.

Reference information

Bibliographic references

  • Deposit

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

  • Deposit

    IIG, 1977, #944

  • Deposit

    IIG, 1974, INEDITO #406 & 1890.

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit VEINLETS GENERALLY 10MM WIDE IN DIORITE, UP TO 20MM WIDE IN ANDESITE OVER AN AREA 7KM X 3KM. ALTERATION OVER 1 SQ KM ELONGATE NW.

Reporter information

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

Beyond USGS

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