鄂尔多斯盆地东缘奥陶系马家沟组四段豹斑状云质灰岩特征及成因: 以关家崖剖面为例*
许杰1,2, 肖笛1,2, 苏文杰3, 晏巍4, 钟寿康1,2, 杨鸣一5, 杨梦颖1,2, 谭秀成1,2

Characteristics and genesis of leopard-spotted dolomitic limestone in the Member 4 of Ordovician Majiagou Formation: a case study from Guanjiaya section in eastern margin of Ordos Basin
Xu Jie1,2, Xiao Di1,2, Su Wen-Jie3, Yan Wei4, Zhong Shou-Kang1,2, Yang Ming-Yi5, Yang Meng-Ying1,2, Tan Xiu-Cheng1,2
鄂尔多斯盆地东缘关家崖剖面中奥陶统马家沟组四段的向上变浅垂向序列特征 照片中的地质现象: a—向上变浅沉积序列1;b—a图局部放大,可见近原地角砾化;c—向上变浅沉积序列2;d—c图局部放大,可见虫迹与溶沟叠合斑块;e—c图局部放大,可见微超覆特征