40Ar/39Ar Geochronology of Supergene K-bearing Sulfate Minerals: Cenozoic Continental Weathering, Landscape Evolution and Paleoclimates in the Tu-Ha Basin, Northwestern China

Jing Yang1, Dewen Zheng2, Wen Chen3, Brian Hough4, Huaning Qiu5, Weitao Wang2, Ying Wu6 and Li Yang3, (1)Institute of Geomechanics, Chinese Academy of Geological Sciences, Beijing, China, (2)State Key Laboratory of Earthquake Dynamics, Institute of Geoloy, China Earthquake Administration, Beijing, China, (3)Institute of Geology, Chinese Academy of Geological Science, Beijing, China, (4)Department of Geosciences, Hamilton College, New York, United States, (5)Guangzhou Institute of Geochemistry, China Academy of Sciences, Guangzhou, China, (6)State Key Laboratory of Earthquake Dynamics, Institute of Geology, China Earthquake Administration, Beijing, China