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New palaeomagnetic results from the Kerguelen Islands
Authors:Bernard Henry  Claude Plessard
Institution:GDR'Magnétisme des Roches' of the CNRS, Laboratoire de Géomagnétisme, 4 avenue de Neptune, 94107 Saint-Maur cedex, France
Abstract:New palaeomagnetic analyses have been carried out in the Kerguelen Islands on 32 lava flows of well-established age (20–22 Ma). Combined with previous studies, they yield a reliable pole for the Lower Miocene for the Antarctic plate: N = 59 flows. 349.9°E, 83.5°S, A95= 6.1°. A reversal sequence reversed-normal has been identified in the Port Jeanne d'Arc section.
Keywords:Antarctica  geodynamics  Indian Ocean  Miocene  magnetic polarity  palaeomagnetism
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