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Paleomagnetic study of late Proterozoic and Early Cambrian rocks in terranes of the Amur plate
Authors:Yu S Bretshtein  A V Klimova
Institution:(1) Kosygin Institute of Tectonics and Geophysics, Far East Division, Russian Academy of Sciences, ul. Kim Yu Chen 65, Khabarovsk, 680000, Russia
Abstract:New paleomagnetic data are presented for Proterozoic metamorphic and Cambrian terrigenous-carbonate complexes of the southern Far East of Russia (Primor’e and the Amur and Trans-Baikal regions). Taking into account our results obtained previously, the paper presents revised positions of the paleomagnetic pole corresponding to the Riphean-Lower Paleozoic segment of the apparent polar wander path for terranes of the Amur plate (the Argun and Bureya-Khanka orogenic belts) in comparison with poles from the Siberian and North Chinese plates. It is shown that the paleolatitude positions of the Amur terranes were stable in space and time during the interval from the late Riphean to the end of the Early Cambrian: they were located in equatorial zones of the Northern and Southern hemispheres.
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