Publication: Las facies de transición del Buntsandstein al Muschelkalk entre Cuevas de Ayllón y Termancia (provincia de Soria)
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Publication Date
1988
Authors
Hernando Costa, S.
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Sociedad Geológica de España
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Abstract
En el presente trabajo se analizan, desde un punto de vista sedimentológicq, unos materiales correspondientes a la Unidad T-2 definida por Remando (1977a) y cuya edad no se puede precisar por falta ddósiles con valor cronoestratigráfico.
Primeramente se realiza un análisis de facies y posteriormente se agrupan en tres asociaciones de facies representativas: dos corresponden al Sector de Cuevas de Ayllón y la tercera al Vértice Corralejos. Finalmente, un
estudio de estas secuencias permite a los autores atribuir estos depósitos como producto de la sedimentación en un complejo costero de llanura mareal-estuario.
Certain material corresponding to the transitional series between Buntsandstein and Muschelkalk facies have been analyzed in this work. This study is based on Unft T-2, described by Hernando (1977a). It has a non determined age because of a lack of fossils with chronostratigraphic value, though we can generalize that it corresponds to middle Triassic. A facies analysis and its later grouping in three representative facies associations was realized: two of them correspond to Cuevas de Ayllón Sector and the third one to Vértice de Corralejos. The last studies of these sequences allowed us to define those materials as the result of a tidal flat-estuarine complex sedimentation.
Certain material corresponding to the transitional series between Buntsandstein and Muschelkalk facies have been analyzed in this work. This study is based on Unft T-2, described by Hernando (1977a). It has a non determined age because of a lack of fossils with chronostratigraphic value, though we can generalize that it corresponds to middle Triassic. A facies analysis and its later grouping in three representative facies associations was realized: two of them correspond to Cuevas de Ayllón Sector and the third one to Vértice de Corralejos. The last studies of these sequences allowed us to define those materials as the result of a tidal flat-estuarine complex sedimentation.