The vertical movements of the orogenic Ligurian Alps and their overlying Tertiary Piedmont Basin (NW Italy) are defined in this work by low-temperature thermochronometers, i.e. apatite (U-Th)/He and fission track. Thermochronological analyses are integrated by seismic and field geological data. Since earliest Oligocene, metamorphic Alpine rocks were exposed, eroded and covered by continental to marginal-marine deposits of the Tertiary Piedmont Basin. Then, the orogenic rocks and the sedimentary succession suffered a km-scale subsidence on the order of 4km before 26 Ma and began their exhumation thereafter: inversion took place in the southernmost part of the Tertiary Piedmont Basin and a regional northwards syn-depositional tilting began. Since Late Oligocene, the evolution of the investigated area is characterized by the coexistence of exhumation/uplift to the south and subsidence to the north. This couple of exhumation and subsidence migrated northwards through time.


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