Montecristo

Past Producer in Chile with commodities Silver, Lead
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Controls for ore emplacement
  11. Economic information about the deposit and operations
  12. Mining district
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10057956
MRDS ID TC03667
Record type Site
Current site name Montecristo

Geographic coordinates

Geographic coordinates: -69.07952, -22.32255 (WGS84)
Elevation 2700

Site location context

Political divisions (FIPS codes)

Chile(country)

South America(continent)

Land(continent)

Geographic areas

Country
Chile

Commodities

Commodity Importance
Silver Primary
Lead Primary

Materials information

Materials Type of material
Galena Ore
Barite Gangue
Limonite Gangue
Pyrite Gangue
Quartz Gangue

Analytical data

Result 1926 - 186-1803 G/T AG (AVG. = 1212 G/T) - 8 SAMPLES 10-43.8% PB (AVG. = 28%) - 8 SAMPLES 0.4-3.1% CU - 4 SAMPLES 3-4 G/T AU - 2 SAMPLES

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) -69.07952, -22.32255

Economic information

Ore body information

  • General form LENTICULAR
    Strike N10-15E
    Dip 90
    Length 180M
    Width 1.2M

Controls for ore emplacement

  • Fault

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

Workings at the site

  • Type of workings Surface/Underground
    Overall depth 40M
    Overall length 27.43M

Comments on development

  • SAMPLED AND DESCRIBED BY CHILE EXPLORATION CO. IN 1926 AND 1931.

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, ARCHIVO SERNAGEOMIN #3454.

  • Deposit

    PERKINS, W., 1926, ARCHIVO SERNAGEOMIN #3772.

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit MAIN LENS IS 30M LONG X 0.6M WIDE.

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.