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 (a)大型多边形脱水裂痕;(b)曲形脱水裂痕;(c)树枝状脱水裂痕;(d)似正弦状脱水裂痕,(e)灰白色微生物席砂片;(f)紫红色微生物席砂片;(g)砂火山构造;(h)似雨痕构造