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豹斑状云质灰岩中的不同类型豹斑特征 a,b—水平状豹斑,基岩为泥晶灰岩;c—水平斑块,由泥粉晶白云石构成,单偏光,GJY-2-2;d—管状、树枝状斑块(层面);e—斜交管状豹斑;f—介形虫碎片,单偏光,GJY-3-1;g—云质斑块与基质泥晶灰岩,单偏光,GJY-3-2;h—灰质粉晶云岩斑块与含云质泥晶灰岩基质,单偏光,GJY-3-3;i—斑块内部为半自形粉晶白云石,单偏光,GJY-3-3