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Pect?nidos pliocenos de la Cuenca de Vejer (C?diz, SO de Espa?a)

Pliocene pectinids from the Vejer Basin (Cadiz; SW Spain)
Authors: Rico-garcía, Alberto;

Pect?nidos pliocenos de la Cuenca de Vejer (C?diz, SO de Espa?a)

Abstract

[ES] El estudio de los pect?nidos (Bivalvia, Mollusca) en sedimentos pliocenos de la Cuenca de Vejer de la Frontera (C?diz, SO Espa?a) permite determinar 13 especies, agrupadas en 8 g?neros, ampliando la informaci?n previa en la zona de esta familia de bivalvos en 5 especies. La presencia de M. pesfelis, F. flexuosus, P. excisum, P. jacobaeus y P. maximus nos permite confirmar y corroborar la edad de Plioceno aportada por la microfauna. A su vez, la existencia de M. latissima, P. benedictus y P. excisum nos permite acotar la posici?n cronoestratigr?fica hasta cerca de los 3,0 Ma. Las asociaciones dominantes en los sedimentos pliocenos apuntan a medios marinos someros, con fondos detr?ticos y energ?as variables, sometidos a la acci?n de tormentas, corroborado por la impronta tafon?mica, como pueden ser sistemas de playaduna y ambientes submareales donde se desarrollan barras y canales.

[EN] This study has been carried out in pectinids (Bivalvia, Mollusca) of pliocene sediments from Vejer de la Frontera basin (C?diz, SW Spain). The main results of this research has been the taxonomic determination of 8 genders and 13 species, rising previous pectinids information in this zone. The appearance of M. pesfelis, F. flexuosus, P. excisum, P. jacobaeus y P. maximus allows us to determine for this sediments a Pliocene age, as microfauna to. Thus, the occurrence of M. latissima, P. benedictus y P. excisum make possible to reduce upper chronostratigraphic range to near 3,0 Ma. The main pectinids assemblages and their taphonomic signature can be understood as a shallow detritic environmental under the storm influence, as a beach-dune systems and sub-tidal environments, with develop of bars and channels.

Country
Spain
Related Organizations
Keywords

Geolog?a, Geology, Geología

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
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