鄂尔多斯盆地陇东地区二叠系山西组—石盒子组母岩类型和构造背景
贺敬聪1, 朱筱敏1, 李明瑞2, 刘芬1, 叶蕾1, 薛梦戈1

Parent rock types and tectonic setting of the Permian Shanxi and Shihezi Formations in Longdong area,Ordos Basin
He Jingcong1, Zhu Xiaomin1, Li Mingrui2, Liu Fen1, Ye Lei1, Xue Mengge1
鄂尔多斯盆地陇东地区二叠系山1段—盒8段K2O/Na2O-SiO2(a)和SiO2/Al2O3-K2O/Na2O(b)构造环境判别图解(ARC: 岛弧;ACM: 活动大陆边缘;PM: 被动大陆边缘;A1: 玄武质和安山质碎屑的岛弧环境;A2: 长英质侵入岩碎屑的进化岛弧环境)