川北山前带寒武系筇竹寺组富有机质页岩发育模式 |
张明何, 魏祥峰, 高波, 戎佳, 刘珠江, 燕继红, 杨琪航, 王佳乐, 刘慧萍, 游浪, 刘自亮 |
Developmental models of organic-rich shales in the Cambrian Qiongzhusi Formation in the piedmont zone of northern Sichuan Basin |
Minghe ZHANG, Xiangfeng WEI, Bo GAO, Jia RONG, Zhujiang LIU, Jihong YAN, Qihang YANG, Jiale WANG, Huiping LIU, Lang YOU, Ziliang LIU |
图4 川北山前带筇竹寺组页岩矿物组分饼状图(a)和三端元投点图(b) Ⅰ.差脆性黏土质页岩相;Ⅱ.强脆性硅质页岩相;Ⅲ.高脆性碳酸盐岩质页岩相;Ⅳ.高脆性混合质页岩相;Ⅴ.中等脆性中黏土质页岩相;Ⅵ.中等脆性硅/黏土混合质页岩相;Ⅶ.中等脆性碳酸盐岩/黏土混合质页岩相;Ⅷ.高脆性硅/碳酸盐岩混合质页岩相;Ⅸ.高脆性中硅质页岩相;Ⅹ.高脆性中碳酸盐岩质页岩相 |
Fig. 4 Pie chart (a) and ternary diagram (b) showing shale mineral composition of the Qiongzhusi Formation in the piedmont zone of northern Sichuan Basin |