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Análisis de la geometría en profundidad de fracturas conductoras en zonas de baja permeabilidad mediante tomografía eléctrica (El Berrocal, Sistema Central Español)

Muñoz Martín, Alfonso and Olaiz Campos, Antonio José and Vicente Muñoz, Gerardo de and Antón López, Loreto and Elorza, Francisco José and Vicente, Raquel de (2007) Análisis de la geometría en profundidad de fracturas conductoras en zonas de baja permeabilidad mediante tomografía eléctrica (El Berrocal, Sistema Central Español). Geogaceta, 42 . pp. 35-38. ISSN 0213-683X

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Abstract

The groundwater flow in zones of low permeability, as granites, is mainly associated with zones of fracture.
For this reason the characterization of the fractures is fundamental, both in surface as in depth, and must
integrate geological information (geological mapping, structural analysis), geophysics (mainly electrical
and electromagnetic methods) and geochemistry (radon and others gases) with hydrogeology. In this work we analyze the geophysical response of a strike-slip fault zone by means of three 2D resistivity models. The objective is to investigate the presence of several conductive zones and their geometry in depth. The obtained results allow to control the geometry in depth of the fractures, the gaps between the different mapped traces along the fault zone as well as the thickness of landfill. All this information will be useful for the hidromechanical simulation of the massif, and to check the geometry and gas permeability calculated from emanometry.

Item Type:Article
Uncontrolled Keywords:Electric tomography, Fracture, Granite, Permeability
Subjects:Sciences > Physics > Geophysics
Sciences > Geology > Geodynamics
ID Code:6531
Deposited On:19 Nov 2007
Last Modified:06 Feb 2014 07:49

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