豫西宜阳上二叠统孙家沟组孢粉组合及其地质意义<sup>*</sup>

豫西宜阳上二叠统孙家沟组孢粉组合及其地质意义^*

邢智峰^1,^2,^3,⁴, 付玉鑫^1,⁴, 郑伟^1,^2,^3,⁴, 李妲^1,^2,^3,⁴, 李素萍⁵, 刘云龙^1,⁴, 齐永安^1,^3,⁴, 李婉颖^1,⁴, 许欣^1,⁴, 吴盼盼^1,⁴, 张湘赟^1,⁴

Sporopollen assemblage of the Upper Permian Sunjiagou Formation in Yiyang area,western Henan Province and its geological significance

Xing Zhi-Feng^1,^2,^3,⁴, Fu Yu-Xin^1,⁴, Zheng Wei^1,^2,^3,⁴, Li Da^1,^2,^3,⁴, Li Su-Ping⁵, Liu Yun-Long^1,⁴, Qi Yong-An^1,^3,⁴, Li Wan-Ying^1,⁴, Xu Xin^1,⁴, Wu Pan-Pan^1,⁴, Zhang Xiang-Yun^1,⁴

豫西宜阳大雨淋剖面上二叠统孙家沟组地层沉积特征平顶山砂岩段: A—下部厚层砂岩;B—中部薄层泥岩与厚层砂岩互层;C—上部厚层砂岩,节理发育。土门段: D—底部砂泥互层;E—中部砂泥互层(红色虚线为孢粉采集层位);F—上部紫红色泥岩与钙质结核层。圈门段: G—孙家沟组上部界限;H—中部泥岩和泥灰层互层;I—泥灰岩层。地质锤长30 cm