Changing Silurian-Devonian relative plate motion in the Caledonides: Sinistral transpression to sinistral transtension

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

Abstract: The late Silurian to mid- or late Devonian interval in the Caledonides was a period dominated, sequentially, by sinistral transpression, strike-slip and transtension during the development of mainly non-marine 'red-bed' basins following the Ludlow-PrIdolI transition from marine to terre strial sedimentation. The tectonic event that led to and generated the sinistral Devonian basins was the highly oblique sinistral closure of the Iapetus Ocean between Laurentia and Baltica and between Laurentia and Avalonia. We examine the diachronous closure of Iapetus, the contrasting tectonic modes ...

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