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El Roble Mine

Producer in Choco, Colombia with commodities Copper, Gold, 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. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Ownership information
  12. Production statistics
  13. Reserves and resources
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10062465
MRDS ID TC35936
Record type Site
Current site name El Roble Mine

Geographic coordinates

Geographic coordinates: -76.18306, 5.93462 (WGS84)
Relative position 4 KM N OF CARMEN DE ATRATO.

Site location context

Political divisions (FIPS codes)

Choco(province)

Colombia(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Colombia Choco

Commodities

Commodity Importance
Copper Primary
Gold Primary
Silver Secondary

Materials information

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

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite > Diabase
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Mafic Volcanic Rock > Basalt
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale

Nearby scientific data

(1) -76.18306, 5.93462
ListMap

Economic information

Ore body information

  • General form TABULAR
    Length 170M
    Width 30M
    Depth to bottom 100M

Comments on the geologic information

  • REGIONAL GEOLOGY: DETRITAL SEDIMENTS, DIABASES, CHERTS, LIMESTONES, AND CONGLOMERATES OF THE CANASGORDAS GROUP, AND ANDESITIC INTRUSIVE ROCKS.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Medium
Significant No

Ownership information

  • Type Operator
    Owner Ereesa (1994, Colombian-Japanese Consortium)

Production statistics

  • Year 1993
    Material CONC
    Accuracy Estimate
    Description Ap_Grade: ^24% Cu, 10-12 G Au/Mt, 36-40 G Ag/Mt
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Conc. Silver Silver 38g/mt
    Gold Gold 11g/mt
    Conc. Copper Copper 24wt-pct

Comments on the production information

  • 90% RECOVERY.

Reserves and resources

  • Type In-situ
    Estimate year 1987
    Total resources 448000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 4.7 wt-pct Copper Major 1987
    Gold Au 3.1 g/mt Gold Major 1987
    Silver Ag 9.8 g/mt Silver Minor 1987
  • Type In-situ
    Estimate year 1993
    Total resources 1000000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 3.8 wt-pct Copper Major 1993
    Gold Au 2.72 g/mt Gold Major 1993
    Silver Ag 10 g/mt Silver Minor 1993

Reference information

Bibliographic references

  • Deposit

    INSTITUTO NACIONAL DE INVESTIGACIONES GEOLOGICO MINERAS, 1987, RESURSOS MINERALES DE COLOMBIA, 2ND ED., INGEOMINAS PUBLICACION GEOLOGICA ESPECIAL NO. 1, P. 169, BOGOTA.

  • Deposit

    SILVA, L.U., AND MEJIA, J.U., 1977, ESTUDIO Y BENEFICIOS DE LOS RECURSOS MINERALES CUPRIFEROS DEL OCCIDENTE ANTIOQUENO Y PARTE DEL CHOCO, TESIS DE GRADO, UNIVERSIDAD NACIONAL DE COLOMBIA, FACULTAD DE MINAS, MEDELLIN.

  • Deposit

    JURADO, VICENTE MUTIS, 1982, CATALOGO DE LOS YACIMIENTOS, PROSPECTOS, Y MANIFESTACIONES MINERALES DE COLOMBIA, INGEOMINAS PUBLICACION GEOLOGICA NO. 9.

  • Deposit

    CARDONA, M.C., 1957, MINA DE COBRE SAN ANTONIO, CHOCO, BOLETIN DE MINAS, MINISTERIO DE MINAS, NO. 4, P. 38-39, BOGOTA.

  • Deposit

    CUERVO, J.R., 1979, COBRE EN LAS LICENCIAS 3840-3841-3842, EN SALGAR Y CARMEN DE ATRATO, INFORME DE ZONA MINERA MEDELLIN.

  • Deposit

    FURUNO, M., ICHIGE, Y., HORI, M., AND SOWANACA, M., 1992, APPLICATION OF STABLE ISOTOPE AND MINOR ELEMENTS ANALYSES TO THE EXPLORATION OF MASSIVE SULFIDE DEPOSITS - AN EXAMPLE IN AND AROUND THE EL ROBLE MINE, REPUBLIC OF COLOMBIA, MINING GEOLOGY (TOKYO), V. 42, NO. 232, P. 101-117.

  • Deposit

    GARCIA, A.C., 1977, ESTUDIO GEOLOGICO DE LA MINERALIZACION CUPRIFERA DE EL ROBLE, CARMEN DE ATRATO, CHOCO, PROYECTO DE GRADO I, UNIVERSIDAD NACIONAL DE COLOMBIA, FACULTAD DE MINAS, MEDELLIN.

  • Deposit

    INSTITUTO NACIONAL DE INVESTIGACIONES GEOLOGICO MINERAS, 1994, COLOMBIA: MINERAL POTENTIAL AND INVESTMENT OPPORTUNITIES, 1993: BOGOTA, GRAFI VISION EDITORES LTDA.

  • Other Database

    CIMRI

  • Production

    INGEOMINAS, 1994.

  • Reserve-Resource

    INGEOMINAS PUBLICACION, 1987; 4TH FIGURE FROM INGEOMINAS, 1994.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1992 Learned, Robert U.S. Geological Survey
Updater 30-JAN-1995 Orris, Greta J. U.S. Geological Survey

Beyond USGS

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

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