Maria Mercedes-Coronel Ramirez

Past Producer in Chile with commodity 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. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Ownership information
  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 10057954
MRDS ID TC03665
Record type Site
Current site name Maria Mercedes-Coronel Ramirez
Alternate or previous names Eduardo I

Geographic coordinates

Geographic coordinates: -69.05785, -22.25588 (WGS84)
Elevation 2680

Site location context

Political divisions (FIPS codes)

Chile(country)

South America(continent)

Land(continent)

Geographic areas

Country
Chile

Commodities

Commodity Importance
Silver Primary

Comments on the commodity information

  • NO SILVER MINERALS IDENTIFIED BY X-RAY DIFFRACTION

Materials information

Materials Type of material
Silver Ore
Gypsum Gangue
Hematite Gangue
Limonite Gangue
Quartz Gangue

Alteration

  • (Local) Argillic, Propylitic

Analytical data

Result 400 G/T AG 0.5 G/T AU

Host and associated rocks

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

Nearby scientific data

(1) -69.05785, -22.25588

Economic information

Ore body information

  • Strike N80W
    Dip 80N
    Length 600M
    Width 0.3M

Economic information about the deposit and operations

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

Mining district

District name El Inca

Ownership information

  • Type Owner
    Owner Codelco

Workings at the site

  • Type of workings Surface/Underground
    Overall depth 51M
    Overall length 228.6M

Comments on the workings information

  • TWO PRINCIPAL WORKINGS 250M APART: 1) 55M LONG X 52M DEEP AND 2) 55M X 42M DEEP. ANOTHER PARALLEL VEIN (EDUARDO II?) IS 200M TO SOUTH WITH WORKINGS 50M LONG X >10M DEEP.

Comments on development

  • DESCRIBED BY CHILE EXPLORATION CO. IN 1930'S CODELCO CONDUCTED MAPPING AND GEOCHEMICAL SURVEYS FOR FEASIBILITY REPORT

Reference information

Bibliographic references

  • Deposit

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

  • Deposit

    MARCH, W., 1931 & 1936, ARCHIVOS SERNAGEOMIN #3452 & 3439.

  • Deposit

    UNIVERSIDAD DE CHILE, 1982, ESTUDIO GEOLOGICO DEL DISTRITO MINERO SAN JULIAN-SAN MARCOS: INEDITO.

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit WESTERN PART OF EDUARDO I VEIN (TOTAL LENGTH=2400M).

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.