1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Maria Cristina

Past Producer in Chile with commodity Copper
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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. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Workings at the site
  13. Links to other databases
  14. Bibliographic references
  15. Reporter information

Geologic information

Identification information

Deposit ID 10057988
MRDS ID TC03700
Record type Site
Current site name Maria Cristina

Geographic coordinates

Geographic coordinates: -70.31455, -23.61086 (WGS84)
Elevation 750

Site location context

Political divisions (FIPS codes)

Chile(country)

South America(continent)

Land(continent)

Geographic areas

Country
Chile

Commodities

Commodity Importance
Copper Primary

Materials information

Materials Type of material
Atacamite Ore
Chalcocite Ore
Chrysocolla Ore
Calcite Gangue
Hematite Gangue

Analytical data

Result 4.4% CU

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Rock unit name La Negra Formation
    Rock description La Negra Formation
    Stratigraphic age (youngest) Late Jurassic
    Stratigraphic age (youngest) Late Jurassic
    Stratigraphic age (youngest) Late Jurassic
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite

Nearby scientific data

(1) -70.31455, -23.61086
ListMap

Economic information

Ore body information

  • General form IRREGULAR
    Length 30M
    Width 20M

Comments on the geologic information

  • PREHNITE-PUMPELLYITE METAMORPHISM

Economic information about the deposit and operations

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

Mining district

District name Sierra La Cadena

Workings at the site

  • Type of workings Surface/Underground
    Area 0.5HA
    Overall depth 10M
    Overall length 91.44M
    Overall width 50M

Comments on the workings information

  • FOUR SEPARATE WORKINGS

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

    ENAMI, 19??, #22308.

  • Other Database

    CIMRI

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.

Maps centered on this site