Balance volumétrico de sedimentos neógenos y cuaternarios en el margen Sud-lbérico: implicaciones tectónicas

• L. Iribarren ^[1] ; Jaume Vergés i Masip ; J. Fullea ^[1] ; M. Fernàndez ^[1]
  1. [1] Instituto de Ciencias de la Tierra Jaume Almera

     Instituto de Ciencias de la Tierra Jaume Almera

     Barcelona, España

     
• Localización: Geotemas (Madrid), ISSN 1576-5172, Nº. 5, 2003 (Ejemplar dedicado a: V Congreso del Grupo Español del Terciario (Granada, 23-25 de septiembre, 2003)), págs. 129-132
• Idioma: inglés
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• Resumen

  • The volume of sediments and the spatial and temporal distribution of the Neogene and Quaternary infill of the South Iberian margin basins, can be used to solve the relief evolution and to constrain the most appropriate tectonic model for the Betic-Alboran domain. V\Je present the volumetric balance of the Alboran Sea basin, the Guadalquivir foreland basin and the intramontane basins of the Betics. The Alboran basin, infilled since Aquitanian times by Betie and Rif sedimentary contribution, represents the most important accumulation of sediments, with a volume of around 120.000 km3. The sediments in the Guadalquivir basin, Late Langhian to Quaternary in age, reach a volume of 20.500 km3. The total volume of the sediments in the intramontane basins is of 10.000 km3, containing both marine and continental facies. A preliminary analysis of the sedimentary environmental changes in the intramontane basins, suggests a migration of the eontinentalization from the suture of the internal and external Betics, towards the Alboran basin occurred from the Upper Tortonian to the Pleistocene.