Avalonian Odyssey: Paleomagnetic Constraints on the Drift History of Southeastern New England
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Meg Thompson discusses Avalonia, the tectonic belt stretching from the Avalon Peninsula in Newfoundland and through Atlantic Canada to southeastern New England. She speaks about how Avalonia was not part of North America when its rock sequences formed 600-700 million years ago. Magnetic signatures acquired when igneous rocks in these sequences cooled from molten magma provide the principal means for establishing Avalonia's original geographic position and its subsequent convergence with North America.
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