1. Laboratory of Paleomagnetism and Geochronology (SKL‐LE), Institute of Geology and Geophysics Chinese Academy of Sciences Beijing 100029 China
2. Institute of Vertebrate Paleontology and Paleoanthropology Chinese Academy of Sciences Beijing 100044 China
3. Marine School Chinese University of Geosciences Beijing 100083 China
4. Graystreet 133, B‐1050 Brussels Belgium