1. MNR Key Laboratory of Paleomagnetism and Paleotectonic Reconstruction, Institute of GeomechanicsChinese Academy of Geological Sciences Beijing China
2. Paleomagnetic Laboratory Fort Hoofddijk, Department of Earth SciencesUtrecht University Utrecht Netherlands
3. Key Laboratory of Cenozoic Geology and Environment, Institute of Geology and GeophysicsChinese Academy of Sciences Beijing China
4. Institute of Earth EnvironmentChinese Academy of Sciences Xi'an China
5. College of Resources, Environment and TourismCapital Normal University Beijing China