Evolución en el subsuelo de los sistemas de abanicos aluviales del Mioceno de la cuenca de Madrid (España)

Abstract

This paper deals on Madrid Basin miocene evolution from drill hole lithologs re-interpretation. To avoid differencial subsidence and tilting, "sand"/"clay" ratios were calculated from 100m tickness intervals. Morphology of isolith lines analysis reveals a multiple alluvial fan system changing throug time