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  3. Mineral Resource Data System (MRDS)

Farallon Negro Mine

Producer in Catamarca, Argentina with commodities Gold, Manganese, Silver
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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. Ownership information
  15. Reserves and resources
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10004217
MRDS ID AR01011
Record type Site
Current site name Farallon Negro Mine

Geographic coordinates

Point of reference Approximate
Geographic coordinates: -66.99527, -27.28307 (WGS84)
Elevation 2600
Relative position 33 KM WNW OF CAPILLITAS

Site location context

Political divisions (FIPS codes)

Catamarca(province)

Argentina(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Argentina Catamarca

Comments on the location information

  • 24 KM AND 40 KM W OF LOS NACIMIENTOS AND HAULFIN RESPECTIVELY.

Commodities

Commodity Importance
Gold Primary
Manganese Critical Primary
Silver Secondary

Materials information

Materials Type of material
Gold Ore
Pyrolusite Ore
Calcite Gangue
Quartz Gangue

Alteration

  • (Local) Pyritization

Host and associated rocks

  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Volcanic Breccia (Agglomerate)
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Mafic Volcanic Rock > Basalt

Nearby scientific data

Approximate (1) -66.99527, -27.28307
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Economic information

Ore body information

  • General form VEIN
    Strike E-W
    Dip 65-85N
    Thickness 10M
    Length 2000M
    Width 19M

Controls for ore emplacement

  • System Of Paralell Fractures, Dikes

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No

Mining district

District name Agua De Dionisio

Ownership information

  • Type Owner
    Owner Yacimientos Menerales De Agua De Dionisio

Comments on the production information

  • 40-50 KG OF AU PER MONTH.

Reserves and resources

  • Type In-situ
    Estimate year 1965
    Commodity Subtype Grade units Group Importance Year
    Manganese Mn 15.9 wt-pct Manganese Major 1965
    Gold Au 8.99 g/mt Gold Major 1965
    Silver Ag 160.66 g/mt Silver Minor 1965

Comments on development

  • FIRST MINED BY THE INSTITUTO DE JUJUY ; MILL.CAP : 350T PER DAY

Reference information

Bibliographic references

  • Deposit

    ANGELELLI(1984) YACIMIENTOS METALIFEROS DE LA REPUBLICA ARGENTINA. V.2 P.399

  • Other Database

    CIMRI

  • Reserve-Resource

    ANGELELLI(1984) YACIMIENTOS METALIFEROS DE LA REPUBLICA ARGENTINA. V.2 P.401

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1992 Sow, Thierno U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

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