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El Silencio Mine

Producer in Antioquia, Colombia with commodities Gold, Silver, Zinc, Lead, Copper
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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. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Ownership information
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. Reporter information

Geologic information

Identification information

Deposit ID 10068462
MRDS ID W001523
Record type Site
Current site name El Silencio Mine
Alternate or previous names Frontino Gold Mines Ltd. Veins: Main Vein, Manta

Geographic coordinates

Geographic coordinates: -74.68302, 7.10123 (WGS84)
Elevation 792
Location accuracy 2000(meters)
Relative position ON WESTERN EDGE OF TOWN OF SEGOVIA WHICH IS 220 KM BY ROAD N OF MEDELLIN.

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
Silver Primary
Zinc Critical Secondary
Lead Secondary
Copper Secondary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Gold Ore
Pyrite Ore
Pyrrhotite Ore
Scheelite Ore
Sphalerite Ore
Calcite Gangue
Quartz Gangue

Alteration

  • (Local) Silicification, Considerable Pyrite

Analytical data

Result AVG. GRADE OF ORE (1967):AU, 13.27 GMS
Result AG, 24.63 GMS
Result PB, 0.50%
Result ZN, 0.80%.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Segovia Batholith
    Rock description Segovia Batholith
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Dacite
  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Conglomerate

Nearby scientific data

(1) -74.68302, 7.10123
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Central Cordillera; N-S
Type of structure Local
Structure description Major Shear Zone With Branches

Ore body information

  • General form TABULAR
    Strike N20E
    Dip 32SE
    Plunge direction 45N
    Length 2000M
    Width 3M
    Depth to top 0M
    Depth to bottom 475M

Controls for ore emplacement

  • Major Shear Zone Probably Multiply Reopened During Mineralization.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Large
Significant No
Discovery year 1825
Discoverer Compania De Frontino Y Bolivia S.A. (British)
Year of first production 1825

Mining district

District name Segovia District

Ownership information

  • Type Owner-Operator
    Owner International Minerals Corp., N. Y.

Workings at the site

  • Type of workings Underground
    Length 2000M
    Overall depth 1300M

Reference information

Bibliographic references

  • Deposit

    WOKITTEL, R., COLOMBIA NAT. GEOL. SERV., TOMOX, 1960.

  • Deposit

    FEININGER, BARRERO, CASTRO, RAMIREZ AND OTHERS, 1970, MAPA GEOLOGICO DEL ORIENTE DEL DEPTO. DE ANTIOQUIA, INST. NAC. DE INVEST. GEOL-MINES, COLUMBIA.

  • Deposit

    E/MJ INTL. DIR.

  • Deposit

    RODRIGUEZ, C.J., AND PERNETT, A., 1983, RECURSOS MINERALES DE ANTIOQUIA, BOL. GEOL. INGEOMINAS, V. 26, NO. 3, P. 116, BOGOTA.

  • Deposit

    HALL, R., ET AL, 1970, RECURSOS MINERALES DE PARTE DE ANTIOQUIA Y CALDAS, BOL. GEOL. V. 18, NO. 2, BOGOTA.

  • Deposit

    OQUENDO, E., 1970, OCCURRENCIAS MINERALES DE ZARAGOZA, SEGOVIA Y REMEDIOS, INF. 1574, INGEOMINAS, BOGOTA.

  • Deposit

    LOZANO, H., Y PULIDO, O.H., 1983, METALES PRECIOSOS - ORO, IN RECURSOS MINERALES DE COLOMBIA, 2ND ED., PUB. GEOL. ESP. NO. 1, INGEOMINAS, BOGOTA.

  • Deposit

    U.S. EMBASSY, BOGOTA, 1993, 1992 MINERALS REPORT- COLOMBIA: DEPARTMENT OF STATE CABLE, 7/93.

  • Deposit

    SINGEWALD, Q.D., 1950, MINERAL RESOURCES OF COLOMBIA (OTHER THAN PETROLEUM): U.S. GEOLOGICAL SURVEY BULLETIN 964-B, P. 53-204.

  • Deposit

    INTERNATIONAL MINERALS CORPORATION, (N.D.), PRIVATE REPORTS: INTERNATIONAL MINERALS CORPORATION, NEW YORK.

  • Deposit

    1950 COMPILE SINGEWALD, Q., USGS BULL. 964B.

  • Deposit

    1960 COMPILE WOKITTEL, R., COL. NAT. GEOL. SURV., TOMOX

  • Deposit

    1971 COMPILE HALL, R.B., COLOMBIA BOL. GEOL. V

  • Production

    U.S. EMBASSY, BOGOTA (1993). SINGEWALD (1950).

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1973 Irving, Earl M. U.S. Geological Survey
Updater 01-APR-1977 Schruben, Paul G. U.S. Geological Survey
Updater 01-NOV-1992 Learned, Robert U.S. Geological Survey
Updater 01-MAR-1994 Page, Norman J. U.S. Geological Survey
Updater 19-OCT-1994 Page, Norman J. U.S. Geological Survey

Beyond USGS

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

Maps centered on this site