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Recycled aritarchs as provenance indicators : implications for Caledonian Terrane Reconstruction

By W.D. McCaffrey, H.F. Barron, S.G. Molyneux and B.C. Kneller

Abstract

Silurian successions deposited on the margins of the Iapetus Ocean in the English Lake District, Southern Uplands of Scotland and Ireland contain recycled Ordovician acritarchs. These include taxa known only from Avalonia and Gondwana, with other recycled acritarchs possibly derived from Baltica. There is no palynological evidence to indicate that Laurentiaconstituted a source area. The data presented herein suggest that provinciality in derived microfossils may be profitably exploited in provenance studies

Topics: Earth Sciences
Publisher: Cambridge Journals
Year: 1992
OAI identifier: oai:nora.nerc.ac.uk:19160

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