The geological and petrological features of the quartzo-feldspathic granulites recognized as slide blocks in the Mt. Ragola Complex (Santonian-Campanian) from External Liguride units, Northern Apennines, are described. Fission track analyses on zircons show that these rocks were exhumed in Late Palaeozoic times. A further thermal event in the Late Cretaceous has also been detected.
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