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Resumen de Estudio comparativo de los minerales de la fracción pesada en los sedimentos de las terrazas del Río Guadalete y fondos de la Bahía de Cádiz.

José Pedro Moral Cardona, Mohamed Achab, Salvador Domínguez Bella, José Manuel Gutiérrez Mas, Diego Antonio Morata Céspedes, J. M. Parrado Román

  • Heavy minerals of sediments from bottom of the Bay of Cádiz and terraces of the Guadalete river have been studied, far establish the genetic relationships and source areas. The use of surface feature analysis using SEM gives information about morphological characteristics and separate phases of the sedimentary evolution. The coexistence of idiomorphic, subidiomorphic and xenomorphic grains in these sediments indicates a high reworking grade, policyclic character of the sediments and diversification of source areas. Far the Bay, two sources are suggested: a) from the continent, throught the Guadalete river, that gives mainly policyclic grains from sedimentary materials present in its bassin and, b) from the coast and littoral, throught the Guadalquivir river, that provides idiomorphic mineral grains from igneous and metamorphic terranes (lberian Massif), arriving the Bay by littoral current action.


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