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  3. Mineral Resource Data System (MRDS)

Mercedes-Problema

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. Ore body information
  11. Controls for ore emplacement
  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 10057740
MRDS ID TC03382
Record type Site
Current site name Mercedes-Problema

Geographic coordinates

Geographic coordinates: -70.23622, -22.82754 (WGS84)
Elevation 1420

Site location context

Political divisions (FIPS codes)

Chile(country)

South America(continent)

Land(continent)

Geographic areas

Country
Chile

Commodities

Commodity Importance
Copper Primary

Comments on the commodity information

  • TAILINGS SAMPLE

Materials information

Materials Type of material
Atacamite Ore
Bornite Ore
Chalcocite Ore
Calcite Gangue
Gypsum Gangue
Limonite Gangue
Quartz Gangue
Specularite Gangue

Alteration

  • (Local) Silicic, Argillic

Analytical data

Result 3.83% 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) -70.23622, -22.82754
ListMap

Economic information

Ore body information

  • Strike N20E; N65W
    Dip 72W; 68SW
    Length 100M
    Width 3M
  • Strike N20E; N65W
    Dip 72W; 68SW
    Length 400M
    Width 3.5M

Controls for ore emplacement

  • Faults

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 Panizos Blancos

Reserves and resources

  • Type In-situ
    Estimate year 1971
    Total resources 233000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 2.5 wt-pct Copper Major 1971

Workings at the site

  • Type of workings Underground
    Area 0.4HA
    Overall depth 130M
    Overall length 365.76M
    Overall width 10M

Comments on the workings information

  • DEPOSIT 400M NORTHWEST EXPLOITED BY RAISE 40M X 7M X 40M

Reference information

Bibliographic references

  • Deposit

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

  • Deposit

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

  • Deposit

    FLORES, H., 1964, ARCHIVO SERNAGEOMIN #2806.

  • Deposit

    IIG, 1971, INEDITO #25,26.

  • Other Database

    CIMRI

  • Reserve-Resource

    BORIC, ET AL., 1984.

General comments

Subject category Comment text
Deposit ENTRY #1, MERCEDES, IS AT INTERSECTION OF TWO FAULTS. ANOTHER VEIN/FAULT 400M TO NORTHWEST.

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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