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  3. Mineral Resource Data System (MRDS)

Stanley

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. Alteration
  8. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Economic information about the deposit and operations
  13. Mining district
  14. Reserves and resources
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10057756
MRDS ID TC03400
Record type Site
Current site name Stanley

Geographic coordinates

Geographic coordinates: -70.23788, -22.73754 (WGS84)
Elevation 940

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
Chrysocolla Ore

Alteration

  • (Local) Silicic

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) -70.23788, -22.73754
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Post-Mineral Fault At N75e, 60se Bedding - N45w, 35ne

Ore body information

  • Strike N45W; 90
    Dip 35NE; 70S
    Length 10M
    Width 2M
  • Strike N45W; 90
    Dip 35NE; 70S

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 Michilla

Reserves and resources

  • Type In-situ
    Estimate year 1944
    Total resources 46000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 3.5 wt-pct Copper Major 1944

Workings at the site

  • Type of workings Underground
    Area 0.05HA
    Overall depth 20M
    Overall length 91.44M
    Overall width 5M

Comments on the workings information

  • INCLINE AND PIT TO 5M DEPTH AT N45W VEIN SHAFT TO 20M DEPTH AT 90 VEIN

Comments on development

  • EXPLORED BY COMPANIA MINERA CAROLINA DE MICHILLA 1959-68.

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

    PEDDAR, T., 1944, ARCHIVO SERNAGEOMIN #3703.

  • Other Database

    CIMRI

  • Reserve-Resource

    PEDDAR, T., 1944.

General comments

Subject category Comment text
Deposit TWO VEINS 100M APART MINERALIZATION IN FRACTURES AND AMYGDULES

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.

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