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  3. Mineral Resource Data System (MRDS)

Sam Marcos-San Julian

Past Producer in Chile with commodities Silver, Gold
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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. Geologic structures
  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. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10057955
MRDS ID TC03666
Record type Site
Current site name Sam Marcos-San Julian
Alternate or previous names Eduardo I

Geographic coordinates

Geographic coordinates: -69.06119, -22.25755 (WGS84)
Elevation 2650

Site location context

Political divisions (FIPS codes)

Chile(country)

South America(continent)

Land(continent)

Geographic areas

Country
Chile

Commodities

Commodity Importance
Silver Primary
Gold Primary

Materials information

Materials Type of material
Silver Ore
Gypsum Gangue
Hematite Gangue
Jarosite Gangue
Limonite Gangue
Quartz Gangue

Analytical data

Result 332 G/T AG, 2 G/T AU A SAMPLE AS HIGH AS 1500 G/T AG

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Monzonite
    Stratigraphic age (youngest) Oligocene
    Stratigraphic age (youngest) Oligocene
  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Monzonite
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite

Nearby scientific data

(1) -69.06119, -22.25755
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Faults At Nw And Ne

Ore body information

  • General form LENTICULAR
    Strike N80W
    Dip 70N
    Length 800M
    Width 0.5M

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 20.12M

Comments on the workings information

  • EXPLOITED HIGH-GRADE LENS.

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 & 1936, ARCHIVOS SERNAGEOMIN # 3452 & 3439.

  • Deposit

    UNIVERSIDAD DE CHILE, 1982, ESTUDIO GEOLOGICO DEL DISTRITO MINERO SAN JULIAN -SAN MARCOS: INEDITO.

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit CENTRAL PART OF EDUARDO I VEIN (2400M LONG) ONE MINERALIZED LENS

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