Las Marias

Past Producer in Chile with commodities Copper, Gold
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. Ore body information
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10057592
MRDS ID TC03191
Record type Site
Current site name Las Marias
Alternate or previous names Veta Maria-Diogenes

Geographic coordinates

Geographic coordinates: -68.81118, -21.93088 (WGS84)
Elevation 4035

Site location context

Political divisions (FIPS codes)

Chile(country)

South America(continent)

Land(continent)

Geographic areas

Country
Chile

Comments on the location information

  • FRUTOS & PINCHEIRA (1986) LOCATION AT 21-56-30S AND 068-50-00W.

Commodities

Commodity Importance
Copper Primary
Gold Primary

Materials information

Materials Type of material
Bornite Ore
Chalcanthite Ore
Chalcocite Ore
Chalcopyrite Ore
Chrysocolla Ore
Cuprite Ore
Enargite Ore
Hematite Gangue
Limonite Gangue
Quartz Gangue

Alteration

  • (Local) Sericitic, Argillic 10m Out From Vein

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Oligocene
    Stratigraphic age (youngest) Oligocene
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite

Nearby scientific data

(1) -68.81118, -21.93088

Economic information

Ore body information

  • Strike N60W; N70W
    Dip 70S; 70N
    Length 2400M
    Width 2M
  • Strike N60W; N70W
    Dip 70S; 70N

Controls for ore emplacement

  • Fault

Economic information about the deposit and operations

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

Mining district

District name El Abra

Comments on the reserve resource information

  • HIGH-GRADE COPPER ZONES CONTAIN APPRECIABLE GOLD.

Workings at the site

  • Type of workings Surface/Underground
    Area 12HA
    Overall depth 200M
    Overall length 2194.56M
    Overall width 50M

Comments on development

  • ECON.COM: PROSPECTIVE

Reference information

Bibliographic references

  • Deposit

    FRUTOS, J. AND PINCHEIRA, M., 1986, FICHAS METALOGENICAS DE YACIMIENTOS MINERALES METALICOS CHILENOS, IN FRUTOS, J., OYARZUN, J., AND PINCHEIRA, M., EDS., GEOLOGIA Y RECURSOS MINERALES CHILENOS: UNIVERSIDAD DE CONCEPCION, CONCEPCION, P. 841-888.

  • Deposit

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

  • Deposit

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

  • Deposit

    KUNTZ, J., 1928, MONOGRAFIA MINERA DE LA PROVINCIA DE ANTOFAGASTA: SONAMI, 77 P.

  • Deposit

    AMBRUS, J., 1977, GEOLOGY OF THE EL ABRA PORPHYRY COPPER DEPOSIT: ECONOMIC GEOLOGY, 72, P. 1062-1085.

  • Deposit

    ENAMI, 1972-1976, # 2143.

  • Other Database

    CIMRI

  • Reserve-Resource

    ENAMI, 1976.

General comments

Subject category Comment text
Deposit 20,000-200,000T CU

Reporter information

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

Beyond USGS

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