豫西荥阳陆相二叠纪—三叠纪之交的微生物成因构造(MISS)及其地质意义

郑伟¹, 齐永安^1*,^*, 张忠慧², 邢智峰¹

Characteristic and Geological Significance of Microbially Induced Sedimentary Structures(MISS) in Terrestrial P-T Boundary in Xingyang, Western He’nan Province

Zheng Wei¹, Qi Yongan^1,^*, Zhang Zhonghui², Xing Zhifeng¹

豫西荥阳地区陆相二叠纪—三叠纪之交的微生物成因构造镜下微观特征2 (a)黏土矿物条带;(b)疑似定向排列的丝状体;(c~d)生长构造的多层黏土矿物层和缝隙(红色箭头所指);(e~f)破坏构造的黏土矿物条带;(g~h)不连续、近平行的云母颗粒(绿色箭头所指);(i)被微生物席生长携带、捕获的云母颗粒(红色箭头所指);(j)绢云母(红色箭头所指)