Journal of Palaeogeography     2022 11 (1):  97-122    ISSN: 2095-3836  CN: 10-1041/P Middle Jurassic climate oscillations from paleosol records of the Sichuan Basin, SW China Jun Lia,b, Cheng-Min Huangb,*, Guo-Lin Yangc, Yuan-Yuan Panb, Xing-Yue Wend aCollege of Urban Environment, Lanzhou City University, Lanzhou 730070, Gansu Province, China bDepartment of Environmental Science and Engineering, Sichuan University, Chengdu 610065, Sichuan Province, China cBaiLie School of Petroleum Engineering, Lanzhou City University, Lanzhou 730070, Gansu Province, China dSchool of Environmental Science and Engineering, China West Normal University, Nanchong 637002, Sichuan Province, China Received: 2021-09-23  Revised: 2021-11-09  Online: null Supporting info