A pilot study of upper Yangtze shallow-water carbonates of the Paibian global marine euxinia: Implications for the late Cambrian SPICE event - Wenpeng Xia; Anqing Chen; Karem Azmy; Shi Sun; Ruixuan Li; Shenglin Xu; Qian Li; Yixin Dong (Marine and Petroleum Geology, 2023)