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Cierco, Vilaller, Alta Ribagorça, Lleida (Lérida), Catalonia, Spain

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Name(s) in local language(s): Cierco
 
Low temperature, base metal vein system telescoping a barren skarn.

Important mines, Zn and Pb with a significant proportion of Ag, exploited since ancient times until the year 1981.
Three veins were exploited, known by the names "Obaga" "Solana" and "Rey" with potencies of up to three meters, situated in a ravine, with a large gap, so they constructed a cableway for unloading ore.
There are remains of buildings and dumps at the exit of the gorge.

Mineral List

Mineral list contains entries from the region specified including sub-localities


20 entries listed. 18 valid minerals.

Localities in this Region

Spain
  • Catalonia
    • Lleida (Lérida)

The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

- Johnson, C; Cardellach, E.; Tritlla, J. and Hanan, B. (1996) “Cierco Pb-Zn-Ag Vein Deposits: Isotopic and Fluid Inclusion Evidence for Formation During Mesozoic Rifting in the Pyrenees of Spain”. Economic Geology, 91, 497-506.

-Mata-Perelló, J.M. (1990) "Els Minerals de Catalunya". Institut d´Estudis Catalans. Barcelona. 441 pp.

-Castroviejo,R.y Moreno,R.(1983) Estructura y Metalogenia del campo filoniano de Cierco (Pb-Zn-Ag)en el Pirineo de Lérida. Boletín Geológico y Minero, 94, 291-320.

-Calvo, M. (2003): "Minerales y Minas de España". Vol.II Sulfuros y Sulfosales. Museo de Ciencias Naturales de Alava. 705 pp.




External Links

www20.gencat.cat/docs/.../111_descrip.pdf

 
Mineral and/or Locality  
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