I DEPOSITI PLIOCENICI DELL'UNITA' DI ARIANO (MONTI DELLA BARONIA, APPENNINO MERIDIONALE)

Abstract

In Miocene and Lower Pliocene, the compressive regi­mes following on the subduction of the Apulian foreland beneath the southem Apennine chain determined the formation of thrusts that deformed the Apennine Mesozoic Tertiary units and favored the emergence of piggy-back basins situated at a higher leve! with respect to the outermost southem Adriatic foredeep facing them. In one ofthese basins, the infra-Pliocene sediments belonging to the Ariano Unit were deposited with their axis parallel to the NW-SE trending thrust fronts. The bedrock on which these sediments were lain in angular uncon­formity, is represented both by the S. Bartolomeo Flysch depo­sits and by terrains belonging to the Flysch Rosso. [...]