Holocene coastal progradation changes and peat bog development in SW spanish coast

Zazo, C., Lezine, A.M., Borja, F., Denèfle, M., Dabrio, C.J., Lario, Javier y et al. . (1996) Holocene coastal progradation changes and peat bog development in SW spanish coast. MBSS Newsletter n. 18, July 1996, pag. 13-18

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Título Holocene coastal progradation changes and peat bog development in SW spanish coast
Autor(es) Zazo, C.
Lezine, A.M.
Borja, F.
Denèfle, M.
Dabrio, C.J.
Lario, Javier
et al.
Materia(s) Geología
Abstract Toe peat bog evolution in the Laguna de las Madres from 5,500 1 'C yr BP shows the progradation/erosion phases recorded in the coastal spit bar systems developed in the spanish atlanticmediterranean I ittoral. Sedimentological and vegetation data recorded in cores of the peat bog exhibit a marked environmental change. At around 5.480 ± 60 1 'C yr BP a brackish and humid environment corresponding to a lagoon stage is recorded; in this moment the ourtlow of Arroyo Madre del Avilar is partially closed because the littoral spit bar system of Punta Arenilla start to prograde. The pollen record shows a high contents of Chenopodiaceae and Jsoetaceae. At around 4,000 1'C yr BP the ourtlow of Arroyo Madre del Avilar is definitely disconnected form the open sea due to an increase in the development of dune ridges over the spit bar systems, and the lagoon become a peat bog, with a polleo record dominated by Cyperaceae ( Carex). This change at ca. 4,000 1 'C yr BP is recorded in the spit bar systems by a period of no· progradation and by a relative highstand of sea level.
Palabras clave Huelva
Las Madres
Holocene
peat bog
spit bar
radiocarbon dating
Editor(es) INQUA Mediterranean and Black Sea Shorelines Subcom.
Fecha 1996
Formato application/pdf
Identificador bibliuned:grupinvestGAMA-Articulos-Jlario-0031
http://e-spacio.uned.es/fez/view/bibliuned:grupinvestGAMA-Articulos-Jlario-0031
Nombre de la revista MBSS Newsletter
Número de Volumen 18
Página inicial 13
Página final 18
Publicado en la Revista MBSS Newsletter n. 18, July 1996, pag. 13-18
Idioma eng
Versión de la publicación acceptedVersion
Tipo de recurso Article
Derechos de acceso y licencia http://creativecommons.org/licenses/by-nc-nd/4.0
info:eu-repo/semantics/openAccess
Tipo de acceso Acceso abierto

 
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