Controls on low resistivity in lower cambrian marine shales: a case study of the Qiongzhusi formation in the deyang–anyue aulacogen, Sichuan Basin, SW China - Xuanang Zhang; Jianping Yan; Xiaoxue Qiu; Maojie Liao; Xuewen Shi; Yufei Ren; Jie Ren; Wei Guo; Qinhong Hu (Journal of Asian Earth Sciences, 2026)