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o 一O华北地台东部晚古生代小有孔曳动物群发育特征…………………………。……··,…………··、、·郑 洪(1)滇东曲)A地区志留纪四射珊瑚的动物群持征及地g时代讨沦……………………………………丁昏鸣(20)鄂西北上震旦统灯影组沉积相及构造古地理………………………………
O-O North China platform in the late Paleozoic small perforation phlogistic animal development characteristics ............................... ...... ··, ............ ··, · Zheng Hong (1) East Yunnan song) A area Silurian quadruped coral animal group levy and g g discussion of the times ... .................. Ding Doming (20) Sedimentary Facies and Tectonic Palaeogeography of Upper Sinian Dengying Formation in Northwest Hubei Province .................................