Paleozoic evolution of the Armorica Plate on the basis of paleomagnetic data

New data support the contention that Armorica and Gondwana formed a coherent block until Ordovician time. However, by Early Devonian time, Armorica collided with the North American-northern European assembly to form the Old Red Continent, and the collision itself was responsible for the Acadian Orog...

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Bibliographic Details
Published in:Geology (Boulder) 1984-10, Vol.12 (10), p.579-582
Main Authors: Perroud, Hervé, Van der Voo, Rob, Bonhommet, Norbert
Format: Article
Language:English
Subjects:
Acadian Phase
Appalachian Phase
Appalachians
Armorica Plate
Armorican Massif
Atlantic region
continental drift
Devonian
Europe
evolution
France
Geophysics
Gondwana
mechanism
North America
Old Red Continent
orogeny
paleogeography
paleomagnetism
Paleozoic
Pangaea
Permian
plate collision
plate tectonics
plates
reconstruction
solid Earth (tectonophysics)
stratigraphy
tectonophysics
Variscan Orogeny
Western Europe
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Summary:New data support the contention that Armorica and Gondwana formed a coherent block until Ordovician time. However, by Early Devonian time, Armorica collided with the North American-northern European assembly to form the Old Red Continent, and the collision itself was responsible for the Acadian Orogeny, not for the earlier Taconic Orogeny as postulated previously. The Carboniferous collision of Gondwana with the Old Red Continent subsequently formed Pangaea and produced the Appalachian-Hercynian Orogeny.—Modified journal abstract.
ISSN:0091-7613
1943-2682
DOI:10.1130/0091-7613(1984)12<579:PEOTAP>2.0.CO;2