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的微观特征及沉积构造 a—桐梓组中的藻席纹层(保靖野竹坪剖面);b—桐梓组中的小型交错层理(花垣卡棚剖面);c—泥晶砂屑生物屑灰岩镜下特征(永顺石堤剖面);d—亮晶鲕粒灰岩镜下特征(龙山召市剖面);e—亮晶砂屑生物屑灰岩镜下特征(桑植温塘剖面);f—亮晶粒屑灰岩镜下特征(永顺松柏场剖面)