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A Middle‐Triassic Paleomagnetic Pole for the Eurasian Plate from Heming (France)
Author(s) -
Théveniaut H.,
Besse J.,
Edel J. B.,
Westphal M.,
Duringer P.
Publication year - 1992
Publication title -
geophysical research letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.007
H-Index - 273
eISSN - 1944-8007
pISSN - 0094-8276
DOI - 10.1029/92gl00715
Subject(s) - paleomagnetism , apparent polar wander , geology , paleontology , paleozoic , early triassic , rift , permian , trias , polar wander , plate tectonics , red beds , cenozoic , phanerozoic , tectonics , cretaceous , structural basin
The paleomagnetic study of Middle Triassic limestones (91 cores, 160 samples) from a 40 m thick section in Heming (France) yields a paleomagnetic pole for stable Europe at lat=53.5°N, lon=140.8°E, d p =2.3°, d m =3.9°. This pole fills an important gap of the apparent polar wander path (APWP) of the Eurasian plate. The comparison of this pole with available data shows a standstill of the Eurasian plate from the Late Paleozoic to the Middle Triassic, followed by a rapid drift until the Lower Jurassic. The beginning of the rapid drift is contemporaneous with the initiation of main rifting processes in the Tethyan Oceans.
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