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Li Jie1,2,3, Xu Qinghai1,2,3, Cao Xianyong1,2,3,4,5, Tian Fang4,5, Ding Wei6, Liang Jian2,3 |
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1 Institute of Nihewan Archaeology Research,Hebei Normal University,Shijiazhuang 050024, Hebei;
2 Institute of Resources and Environmental Sciences,Hebei Normal University,Shijiazhuang 050024, Hebei;
3 Hebei Key Laboratory of Environmental Change and Ecological Construction,Shijiazhuang 050024, Hebei;
4 Alfred Wegener Institute for Polar and Marine Research,Research Unit Potsdam,Telegrafenberg A43,Potsdam 14473,Germany;
5 Department of Geoscience,University of Potsdam,Karl-Liebknecht-Str.2,Potsdam 14476,Germany;
6 Institute of Geological Sciences,Palaeontology,Free University Berlin,Malteserstrasse 74-100,Building D,Berlin 12249,Germany |
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