Stable platform and dynamic oceanic palaeogeography


Authors: Boucot AJ

Published in: Bulletin of Geosciences, volume 90, issue 1; pages: 133 - 143; Received 17 July 2014; Accepted in revised form 15 November 2014; Online 8 January 2015

Keywords: Permian oceanic palaeogeography, post-Permian movements from mid-Panthalassa sources, bedded oceanic chert records,

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Tropical-subtropical fossils (certain fusuline foraminifera, certain radiolaria, certain bivalves, certain corals) of Permian and Jurassic age now occur in Northern Pacific Asian and North American marginal areas. Their presence indicates original locations in tropical-subtropical, warm water “central” Panthalassa from which they were transported and accreted to cooler water areas. This information, palaeontological and lithological is the basis for the conclusions made here.


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