Estructura cortical y litosférica de la Cuenca del Surco de Valencia: Revisión del estado actual del conocimiento
DOI:
https://doi.org/10.21701/bolgeomin.126.2-3.011Palabras clave:
modelización 2D y 3D, datos geofísicos, estructura litosférica, Surco de ValenciaResumen
En este artículo se presenta una recopilación de la estructura cortical y litosférica de la cuenca del Surco de Valencia y sus áreas circundantes. En él se resumen los datos geofísicos más relevantes adquiridos desde los años setenta (sísmica, gravimetría, geoide y flujo de calor). A continuación, el trabajo se centra en la discusión acerca de la geometría y propiedades físicas de la estructura cortical y litosférica actual obtenida a partir de los datos sísmicos y de la modelización de campos potenciales, elevación y flujo de calor, y su relación con la evolución geodinámica alpina del Surco de Valencia. Se discute las diferencias de los resultados de la modelización del límite litosfera-astenosfera, obtenidos utilizando diferentes metodologías así como las características que, bajo nuestro punto de vista, requieren un estudio más detallado con el objeto de conocer el origen y evolución del Surco de Valencia; cuales son las causas de la distinta estructura cortical observada en la región SO respecto a la región NE; de la asimetría que se observa; el origen de las variaciones de reflectividad de la corteza inferior; la fábrica del manto litosférico, caracterizada por unas velocidades de las ondas P anómalamente bajas; y sus propiedades físicas.
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