Las Megabrechas del Membrillar y su relación con el sustrato. Precámbrico-Cámbrico de la Zona Centro-Ibérica

Abstract

A detailed map was earned out in the Membrillar locality, Valdelacasa anticline (Central-lberian Zone), and a stratigraphical and sedimentological study of the Membrillar Megabreccias ("Nivel de Fuentes"). Two megabreccias have been distinguished. Crops-out are into the discordant syncline structure and the relation with host-rock is studied, the Membrillar sequence is found out, It is a trace of the IborAllogroup into the Valdelacasa anticline