Farallon Negro

Producer in Catamarca, Argentina with commodities Gold, Silver, Manganese, Lead
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. Ore body information
  10. Economic information about the deposit and operations
  11. Ownership information
  12. Reserves and resources
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10064743
MRDS ID TC39217
Record type Site
Current site name Farallon Negro

Geographic coordinates

Geographic coordinates: -66.49943, -27.49746 (WGS84)
Elevation 260

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

  • 25 KM BY DIRT ROAD FROM HIGHWAY TO BELEN (100 KM)

Commodities

Commodity Importance
Gold Primary
Silver Primary
Manganese Critical Primary
Lead Tertiary

Materials information

Materials Type of material
Argentite Ore
Galena Ore
Gold Ore
Manganite Ore
Pyrolusite Ore

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

(1) -66.49943, -27.49746

Economic information

Ore body information

  • Thickness 32M
    Length 3000M
    Width 240M

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No

Ownership information

  • Type Owner-Operator
    Owner Yacimientos Mineros De Aguas De Dionisio (YMAD)
    Home office Av. Cordoba 2080, Buenos Aires. Tel. 48-6894

Comments on the production information

  • ANNUAL PRODUCTIVITY ABOUT 840 KG OF AU AND 9850 KG AG. 1993 ANNUAL PRODUCTION ESTIMATED AT ABOUT 490 KG AU BY HEAP LEACHING.

Reserves and resources

  • Type In-situ
    Estimate year 1965
    Total resources 13000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 7.4 g/mt Gold Major 1965
    Silver Ag 139 g/mt Silver Major 1965
    Manganese Mn 14.5 wt-pct Manganese Major 1965

Comments on the reserve resource information

  • IN 1993 HAD ABOUT 3 YEARS RESERVES; DEPOSIT SIZE ESTIMATED BY MOSIER AND OTHERS, 1986.

Reference information

Bibliographic references

  • Deposit

    MOSIER AND OTHERS, 1986, U.S. GEOLOGICAL SURVEY BULLETIN 1866, P. 16-17.

  • Deposit

    MINING MAGAZINE, JANUARY 1987, P. 58.

  • Deposit

    WORLD BANK, 1993, UNPUBLISHED MANUSCRIPT.

  • Deposit

    ANON, 1993, HIGH HOPES IN ARGENTINA: MINING JOURNAL, LONDON, NOV. 5, 1993, V. 321, P. 318.

  • Other Database

    CIMRI

  • Production

    WORLD BANK (1993); ANON (1993).

General comments

Subject category Comment text
Deposit LENGTH OF VEIN RANGES FROM 2.0 TO 3.0 KM, THICKNESS FROM 1-32 M, AND WIDTH 200-240 M. DEPOSIT OCCURS ON 3 MAIN STRUCTURES.
Deposit ALTO BLENDA OCCURS IN LITERATURE ATTACHED TO FARALLON NEGRO BUT IS A DIFFERENT MINE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-1993 Page, Norman J. U.S. Geological Survey
Updater 01-JAN-1994 Page, Norman J. U.S. Geological Survey

Beyond USGS

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