I depositi quaternari nei fogli CARG della Sicilia nord occidentale: implicazioni climatiche, ambientali e tettoniche

Abstract

Quaternary deposits within the National Geologic Maps of Northwestern Sicily: climatic, environmental and tectonic implications. In Northwestern Sicily, Quaternary continental, coastal and marine deposits outcrop. The occurrence of deposits enclosing lower and upper unconformity surfaces allowed to define several unconformity-bounded stratigraphic units (synthems). These units have been mapped in the several National Geologic Maps prepared in the frame of the CARG Project. Stratigraphic features of the Quaternary deposits and their relationship with marine/fluvial terraces, other landforms and tectonic structures suggest the presence of small and isolated sedimentary areas placed on structural/topographic depressions and affected by earlier subsidence (Lower Pleistocene) and later uplifting (Middle Pleistocene – Holocene).