Abstract
The sedimentary cover of the investigated area consists of a
thick sequence (Triassic-Miocene) of limestones and marls, overlain by
turbiditic sandstones of the "Laga Formation" (Messinian- Early Pl iocene).
No pre-Triassic basement is exposed.
The most consipicuous structural feature is the Umbria Thrust Zone,
a segment of the so-called Ancona-Anzio Line. This oblique lineament
is generally
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