Microbially Mediated Intracellular Barite Mineralization: Evidence From an Early Ediacaran Microfossil in the Doushantuo Formation of South China. - Cheng, Shiqi; Feng, Lianjun; Yang, Yingjie; Chu, Xuelei; Zhang, Xingliang; Li, Jinhua (Geophysical Research Letters, 2026)