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  3. Mineral Resource Data System (MRDS)

La Salada El Silencio

Producer in Antioquia, Colombia with commodities Gold, Lead, 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. Nearby scientific data
  8. Ore body information
  9. Economic information about the deposit and operations
  10. Mining district
  11. Ownership information
  12. Production statistics
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10206241
MAS/MILS ID 3010050024
Record type Site
Current site name La Salada El Silencio
Alternate or previous names El Silencio, La Salada

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -74.86639, 7.45121 (WGS84)
Elevation 750
Location accuracy 1000(meters)

Site location context

Political divisions (FIPS codes)

Antioquia(province)

Colombia(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Colombia Antioquia

Commodities

Commodity Importance
Gold Primary
Lead Secondary
Silver Secondary

Materials information

Materials Type of material
Galena Unknown
Pyrite Unknown
Sphalerite Unknown

Nearby scientific data

Ore Body (1) -74.86639, 7.45121
ListMap

Economic information

Ore body information

  • Strike N20E
    Dip 25S
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 FISSURE VEIN
    Shape of Orebody #1 IRREGULAR
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control FAULTING
    Degree of Wallrock Alter. UNKNOWN
    Type of Wallrock Alter. #1 UNKNOWN
    Strike And Dip N20E:25S
    Minimum Depth to Top 0
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 861215

Comments on the geologic information

  • FRACTURING CAUSED BY A LARGE GRANITOID BATHOLITH ALLOWED THE MINERAL DEPOSITS OF LA SALADA TO FORM. THE VIEN SYSTEM FORMED IN THESE FRACTURES CONSISTS OF A MAIN VIEN AND TWO SUBSIDIARY VIENS. THESE ARE NAMED VETA MANTO, VETA PRINCIPAL AND VETA PRINCIPAL NORTE, RESPECTIVELY.

Economic information about the deposit and operations

Operation type Underground
Development status Producer
Commodity type Metallic
Significant Yes
Mining method Open Stope
Year of first production 1866

Mining district

District name Antioquia District

Ownership information

  • Type Owner-Operator
    Owner Sindico
    Interest 100
    Home office Colombia
    Year 1982

Production statistics

  • Year 1966
    Description Au Ore Mined 164000 Metric Tonnes Per Yr.
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Gold Gold 164000mt
  • Year 1969
    Description Au Ore Mined 160000 Metric Tonnes Per Yr.
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Gold Gold 160000mt
  • Year 1972
    Description Au Ore Mined 150000 Metric Tonnes Per Yr.
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Gold Gold 150000mt
  • Year 1975
    Description Au Ore Mined 140000 Metric Tonnes Per Yr.
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Gold Gold 140000mt
  • Year 1978
    Description Au Ore Mined 110000 Metric Tonnes Per Yr.
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Gold Gold 110000mt
  • Year 1980
    Description Au Ore Mined 90000 Metric Tonnes Per Yr.
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Gold Gold 90000mt

Comments on the production information

  • NO EXPLORATION DATA WAS PROVIDED.

Comments on the reserve resource information

  • LAT-LONG FOR TOWN OF SEGOVIA. OPERATOR: FRONTINO GOLDMINES. FORMERLY CALLED LA SALAD.

Workings at the site

  • Type of workings Underground
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Mining Method OPEN STOPE
    Percent Recovery 95
    Hardness of Rock UNKNOWN
    Rock Characteristics MULTIPLE SYSTEMS OF WEAKNESS PLANES
    Rock Support Chars. UNKNOWN
    Mine Support Chars. UNKNOWN
    Length of Inclines (m) 1118
    Number of Inclines 1
    1st Condition of Workings OPEN
    Capacity 320
    Capacity Units MT ORE/DAY
    Unit Production Cost 26.19
    Units of Production $/MT ORE
    Operating Days per Year 250
    Operating Shifts per Day 3
    Year of Information 1982

Comments on other economic factors

  • DILUTION OF THE ORE IS 15%.
  • BOTH PRODUCTS ARE SHIPPED FIRST TO MEDELLIN THEN TO PORT BERRIO. FROM PORT BERRIO THEY ARE BARGED TO BARANQUILLA THEN SHIPPED TO NEW YORK.

Reference information

Bibliographic references

  • Deposit

    ANON. MINING DISTRICT OF ZARGOSA-SEGOVIA-REMEDIOS.

  • Deposit

    CARMONA, R.A., ED. RECURSOS MINERALES DE COLUMBIA-ORE Y

  • Deposit

    PLATA, 1981.

  • Deposit

    HALL, R.B., ET. AL. RECURSOS MINERALES, ANTIQUIA Y

  • Deposit

    CALDAS, MINAS DE SEGOVIA.

  • Deposit

    MCQUISTON, F., AND SHOEMAKER, R. CYANIDATION PLANT

  • Deposit

    PRACTICE. AIME (FRONTINO GOLD MINES LTD., SEGOVIA, ANTIQUIA,

  • Deposit

    COLUMBIA), PP. 175-178, 1980.

  • Deposit

    MAP OF MINERAL RESOURCES, DEPARTMENT OF ANTIQUIA,

  • Deposit

    COLUMBIA, MINISTRY OF MINES AND ENERGY, COLUMBIA, WITH

  • Deposit

    ACCOMPANYING NOTES BY RODRIGUEZ, C.J. AND PERNETT, A., 1980.

  • Deposit

    ROSAS, H. AND MONROY, G., RECURSOS MINERALES DE COLUMBIA

  • Deposit

    - ORO Y PLATA (SPANISH), MINISTRY OF MINES AND ENERGY,

  • Deposit

    NATIONAL INSTITUTE OF MINING, GEOLOGICAL INVESTIGATIONS,1980

  • Deposit

    RUNDALL, W.H. THE GOLD MINES OF THE FRONTINO AND BOLIVIA

  • Deposit

    AND ASSOCIATED COMPANIES, MINING MAGAZINE, PP. 73-81, FEB.

  • Deposit

    TREMLETT, C. P. ORE LOCALIZATION AT FRONTINO GOLD MINES.

  • Deposit

    MINING MAGAZINE, LONDON, JULY 1955, PP. 9-20.

  • Deposit

    GOOSENS, P. J. LITHOLOGIC, GEOCHEMICAL AND METALLOGENIC

  • Deposit

    BELTS IN THE NORTHERN ANDES AND THEIR STRUCTURAL RELATION-

  • Deposit

    SHIPS. MINING ENGINEERING, PP. 60-67, MARCH 1976.

Reporter information

Type Date Name Affiliation Comment
Reporter 29-JUN-94 Boyle, Ed U.S. Bureau of Mines

Beyond USGS

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

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