Some remarks on the mass movements of the upper sector of the Northern Apennines

In this abstract are illustrated some of the results reached through detailed geomorphological studies carried out in the last decade in three areas of the upper sector of the Northern Apennines; these studies led to the implementation of geomorphological maps at the scale 1:10.000. The areas are the Abetone zone, the Upper Tagliole Valley and Mt. Cimone zone and are located on the north exposed slope of the Apennines. The remarks of this work is that many zones mapped as landslide or debris slope deposits in previous geological maps, can be considered as moraine deposits. The twin ridges, trenches and reverse slopes which locally characterize watersheds and slopes and which have been not considered in former papers, can be interpreted as the surface expression of "Deep-seated Gravitational Slope Deformations". The extent of the glacial features is much wider than it was believed before the implementation of geomorphological maps. Moreover all the landslides are of post-glacial age as they involve or covers glacial landforms and deposits.