Genesis of the Eocene oxidized potassic felsic volcanic rocks in western Yunnan, China: Insights into mantle redox conditions and post-collisional porphyry Cu–Au formation - Gong Liu; Lei-Luo Xu; Xian-Wu Bi; Jing-Jing Zhu; Zong-Yong Yang; Ming-Liang Huang (Lithos, 2023)