Tomoyo

Past Producer in Chile with commodities Copper, Silver, Gold
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. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10057819
MRDS ID TC03479
Record type Site
Current site name Tomoyo

Geographic coordinates

Geographic coordinates: -70.25622, -22.44255 (WGS84)
Elevation 20

Site location context

Political divisions (FIPS codes)

Chile(country)

South America(continent)

Land(continent)

Geographic areas

Country
Chile

Commodities

Commodity Importance
Copper Primary
Silver Primary
Gold Primary

Comments on the commodity information

  • TAILINGS SAMPLE

Materials information

Materials Type of material
Atacamite Ore
Chalcocite Ore
Chalcopyrite Ore
Chrysocolla Ore
Calcite Gangue
Gypsum Gangue
Hematite Gangue
Magnetite Gangue
Quartz Gangue
Tourmaline Gangue
Tremolite Gangue

Alteration

  • (Local) Argillic, Sericitic

Analytical data

Result 1.0% CU, 0.05 G/T AU, 1.2 G/T AG

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Late Jurassic
    Stratigraphic age (youngest) Late Jurassic
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite

Nearby scientific data

(1) -70.25622, -22.44255

Economic information

Ore body information

  • Strike N75E
    Dip 60SE
    Length 50M
    Width 0.4M

Economic information about the deposit and operations

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

Mining district

District name Gatico

Workings at the site

  • Type of workings Underground
    Area 0.01HA
    Overall depth 15M
    Overall length 45.72M
    Overall width 2M

Comments on the workings information

  • SHAFT WITH WATER

Reference information

Bibliographic references

  • Deposit

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

  • Deposit

    ENAMI, 1966, #2053R.

  • 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.