Resumen de La Raña al sur de la Somosierra y Sierra de Ayllón: un piedemonte escalonado del Villafranquiense medio
Alfredo Pérez González, J. Gallardo
The Raña located NE of Madrid is a piedmont a/luvia/ plain of Middle Villafranquian age. It is divided into severa/ platforms which are the result of neotectonic processes.
