Paleomagnetic stratigraphy and biostratigraphy of the Plio-Pleistocene in the Kinki district, Japan |
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| Authors: | Kazuaki Maenaka Takuo Yokoyama Shiro Ishida |
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| Institution: | Faculty of Literature, Hanazono College, 615 Kyoto, Japan;Laboratory of Earth Sciences, Science and Engineering, Research Institute, Doshisha University, 602 Kyoto, Japan;Department of Geology and Mineralogy, Faculty of Science, Kyoto University, 606 Kyoto, Japan |
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| Abstract: | The magnetostratigraphic subdivision of the Plio-Pleistocene series in the Kinki district around Osaka in southwest Japan, based on NRM measurements of volcanic ash beds, is correlated with biostratigraphic and paleoclimatic marker beds as well as past sea level oscillations. At least 10 high sea level stands occurred in the study area between about 1.5 and 0.27 million years ago, all associated with relative warming. A significant change in the composition of flora, from Metasequoia to Fagus dominated assemblages, was observed around the Jaramillo event. |
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