Pattern of orogenic rotations in central-eastern Sicily: Implications for the timing of spreading in the Tyrrhenian Sea

From: Journal of the Geological Society | Date: March 1, 2003| Author: | Copyright information

Abstract: New palaeomagnetic data from upper Triassic to Pliocene sediments reveal that in eastern Sicily a major 70[degrees] clockwise (CW) rotation took place between Oligocene and late Tortonian time, followed by a further 30[degrees] CW rotation. Results from central Sicily are less coherent. They show 44-83[degrees] post-Oligocene CW rotation, local 14[degrees] post-late Tortonian counterclockwise (CCW) rotation, and 25[degrees] post-mid-Pliocene CW rotation. We interpret the larger CW rotation observed in eastern Sicily as related to a more internal palaeogeographical position with ...

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