柴东欧南凹陷上石炭统克鲁克组构造背景、物质来源及沉积环境——来自细粒沉积岩元素地球化学的证据

施辉, 李宗星, 彭博, 孙玉琦, 张浩, 杨元元, 胡俊杰, 方欣欣, 魏小洁

The tectonic setting， material source and paleoenvironment of the Upper Carboniferous Keluke Formation in the Ounan Depression of the eastern Qaidam Basin： Evidence from element geochemistry of fine-grained sedimentary rocks

Hui SHI, Zongxing LI, Bo PENG, Yuqi SUN, Hao ZHANG, Yuanyuan YANG, Junjie HU, Xinxin FANG, Xiaojie WEI

图3 柏树沟剖面C2k 岩性柱状图及野外照片 ①C1h（灰色厚层状生屑灰岩）与C2k（灰色—灰黄色泥页岩/泥质粉砂岩）假整合接触；②薄层泥晶灰岩夹黑色炭质页岩；③深灰色—黑色页岩；④页岩中泥晶灰岩透镜体；⑤生物碎屑灰岩，含海百合及珊瑚碎片；⑥泥晶灰岩中燧石条带；⑦厚层灰岩夹黑色页岩；⑧灰色厚层状细砾岩，石英砾为主

Fig.3 C2k lithological column and field photographs of the Baishugou section