Provenance changes in the Middle Jurassic Shaximiao Formation (Central Sichuan Basin, China): Implications for the timing of transition from the Paleo-Tethys to Paleo-Pacific Tectonic Domain in East Asia - Jiaxin Cao; Wenli Xu; Pei Guo; Jixiang Cao; Hailong He; Chonghe Ning; Dahai Tang; Jintong Liang; Yiquan Ma (Palaeogeography, Palaeoclimatology, Palaeoecology, 2026)