Observations from the Alpine Tethys and Iberia–Newfoundland margins pertinent to the interpretation of continental breakup
G Manatschal, O Müntener, LL Lavier… - Geological Society …, 2007 - lyellcollection.org
Abstract Although the Iberia–Newfoundland and Alpine Tethys margins are of different age
and ultimately had a different fate, they share remarkable similarities. Both pairs of margins
show a change from initially distributed and decoupled extension to later localized, coupled
and asymmetric extension that results in thinning of the crust and exhumation of
subcontinental mantle. The change in the mode of extension together with the localization of
deformation reflects an evolution of the bulk rheology of the extending lithosphere. In this …
and ultimately had a different fate, they share remarkable similarities. Both pairs of margins
show a change from initially distributed and decoupled extension to later localized, coupled
and asymmetric extension that results in thinning of the crust and exhumation of
subcontinental mantle. The change in the mode of extension together with the localization of
deformation reflects an evolution of the bulk rheology of the extending lithosphere. In this …
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