Geological Evidence for the Presence of the Emperor Event in China
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Abstract:
The presence of the reversals of the geomagnetic field within the Brunhes is indicated by paleomagnetic stuides on Cenozoic volcanic rocks in the Leizhou Peninsula, loess strata and Quaternary marine sediments in the Pearl River Mouth basin in China. These regional reversals occured at 0.58±0.13 Ma, 0.45 Ma and 0.47—0.48 Ma respectively according to the results of K-Ar isotopic dating and climatostratigraphic and biostratigraphic analyses. The reversals equivalent to the Emperor Event is suggested.The reversals revealed in different regions with various lithologic characters in China prove that the Emperor Event is a global reversal event rather than a geomagnetic excursion, and its confirmation will permit a precise definition of the Middle/Late Pleistocene boundary.
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Ge Tongming, Fan Limin, Liu Jian Guangzhou Marine Geological Survey, Ministry of Geology, Mineral Resources of China, Guangzhou.1993. Geological Evidence for the Presence of the Emperor Event in China[J]. Acta Geologica Sinica(),67(2):