湘西北地区早奥陶世沉积特征及岩相古地理*
邹光均, 梁恩云, 张晓阳, 凌跃新, 熊苗

Sedimentological characteristics and lithofacies palaeogeography of the Early Ordovician in northwestern Hunan Province
Zou Guang-Jun, Liang En-Yun, Zhang Xiao-Yang, Ling Yue-Xin, Xiong Miao
湘西北地区下奥陶统岩石宏观特征 a—古风化壳(永顺石堤剖面);b—喀斯特化角砾岩暴露特征(永顺松柏场剖面);c—灰岩中外来的白云岩角砾(永顺王村剖面);d—中细粒石英砂岩宏观特征(永顺温塘剖面);e—桐梓组中的叠层石(永顺石堤剖面);f—藻礁灰岩(叠层石)(花垣民乐剖面)