Condicionantes litológicos y estructurales en depósitos de abanico aluvial: Caracterización de procesos mediante morfoscopía de clastos

• Autores: Francesc Pomar Bauzà, Joan Josep Fornós Astó, Lluís Gómez Pujol, Laura del Valle Villalonga
• Localización: Avances de la Geomorfología en España 2012-2014 / coord. por Susanne Schnabel, Álvaro Gómez Gutiérrez, 2014, ISBN 978-84-617-1123-9, págs. 592-595
• Idioma: español
• Títulos paralelos:
  • Lithological and structural constraints on alluvial fan deposits: processes characterization by clasts morphoscopic analysis
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• Resumen

  • This study deals with clast morphological analysis from Pleistocene-Holocene alluvial fan deposits attending to their shape and roundness. These deposits infill the low area of nine coastal small basins located between cala Tirant and Fornells, at Northern Menorca (Balearic Islands). Clast morphology and shape analysis show that differences in basement lithology of each basin controls the clast abundance as well as bed thickness and joint style controls the clast form. Additionally, clast shape does not reflect evidences of transport mechanisms and agents due to the short distances of transport from the basin head.