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Estructuras sedimentarias de deformación interpretadas como sismitas en el Mioceno Superior (Turoliense) de la cuenca de Granada (Cordillera Bética)

Other TitlesSoft-sediment deformation structures interpreted as seismites in the late Miocene (Turolian) of the Granada basin (Betic Cordillera)
AuthorsAlfaro, P.; Galindo-Zaldívar, Jesús; Jabaloy, Antonio; López-Garrido, A. C.; Sanz de Galdeano, Carlos
KeywordsGranada basin
Load structures
Synsedimentary faults
Issue Date2006
PublisherSociedad Geológica de España
CitationGeogaceta 40: 255-258 (2006)
AbstractWe studied various Upper Miocene (Turolian) layers of superimposed soft-sediment deformation structures induced by liquefaction in the Granada basin (Betic Cordillera). These are principally load structures: sagging and dome load casts, ball-and-pillow and drop structures. Based on analyses of their morphology and of the facies, these have been interpreted as being the result of liquefaction of non-cohesive sediments during earthquakes. The intense synsedimentary fracturing and the presence of seismites highlight the strongly influence of tectonic activity in the Granada basin during the Late Miocene, with earthquakes of moderate to high magnitude occurring which were capable of liquefying the sediment.
Description4 páginas, 5 figuras.-- Trabajo presentado en la 40ª Sesión Científica, León, 2006.
Publisher version (URL)http://www.sociedadgeologica.es/publicaciones/geogaceta/2006_40.html
Appears in Collections:(IACT) Artículos
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