鄂西咸丰地区五峰组—龙马溪组火山凝灰岩发育特征及其对页岩有机质富集的影响*
罗凡1, 段轲1,3, 张号2, 许露露1, 王亿1, 陈威1, 杨洁1

Development characteristics of volcanic tuff of the Wufeng-Longmaxi Formations in Xianfeng area of western Hubei and its influence on enrichment of organic matter in shale
LUO Fan1, DUAN Ke1,3, ZHANG Hao2, XU Lulu1, WANG Yi1, CHEN Wei1, YANG Jie1
鄂西咸丰地区五峰组—龙马溪组火山凝灰岩野外露头、岩心及镜下特征 a—咸丰活龙坪乡五峰组底部火山凝灰岩; b—鄂咸页1井龙马溪组上部火山凝灰岩,样品编号y52,深度1463.36 m;c—鄂咸页1井含碳硅质岩中海绵骨针薄片镜下特征,样品编号y29,深度1502.45 m;d—鄂咸页1井含碳含泥硅质岩含碳硅质岩中海绵骨针化石,样品编号y13,深度1507 m;e—鄂咸页1井五峰组下部火山凝灰岩镜下特征,样品编号y8,深度1511.16 m;f—鄂咸页1井五峰组硅质岩中火山凝灰岩纹层镜下特征,样品编号y6,深度1512.8 m