About the Authors

Jing Wu

wujing@mail.iggcas.ac.cn (JW); liujq@mail.iggcas.ac.cn (JQL)

Affiliation Key Laboratory of Cenozoic Geology and Environment, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China

Qiang Liu

Affiliation Key Laboratory of Cenozoic Geology and Environment, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China

Luo Wang

Affiliation Key Laboratory of Cenozoic Geology and Environment, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China

Guo-qiang Chu

Affiliation Key Laboratory of Cenozoic Geology and Environment, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China

Jia-qi Liu

wujing@mail.iggcas.ac.cn (JW); liujq@mail.iggcas.ac.cn (JQL)

Affiliation Key Laboratory of Cenozoic Geology and Environment, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: QL JQL. Performed the experiments: JW QL GQC. Analyzed the data: JW QL GQC LW. Contributed reagents/materials/analysis tools: QL GQC JQL. Wrote the paper: JW GQC LW.