Types and biotic successions of Ordovician reefs in China

作     者：WANG JianPo DENG XiaoJie WANG Guan LI Yue 

作者机构：Wuhan Center of Geological Survey Wuhan 430205 China Nanjing Institute of Geology and Palaeontology Chinese Academy of Sciences Nanjing 210008 China 

出 版 物：《Chinese Science Bulletin》 (中国科学通报)

年 卷 期：2012年第57卷第10期

页      面：1160-1168页

核心收录：

学科分类：070903[理学-古生物学与地层学(含：古人类学)] 0709[理学-地质学] 07[理学] 

基　　金：the China Geological Survey Project (1212011120148) the National Natural Science Foundation of China (41072002) the Knowledge Innovation Program of the Chinese Academy of Sciences (KZCX2-YW-Q05-01) It is a contribution to the IGCP Project 591-The Early to Middle Paleozoic Revolution 

主　　题：生物演替 生物礁 中国 奥陶系 古地理环境 类型 碳酸盐岩台地 早奥陶世 

摘      要：Ordovician reefs are located in the South China,Tarim,and North China blocks,in low-latitude epicontinental marine regions and mostly consist of large-scale carbonate *** the Paleozoic,faunal radiation reef biota diverged and thrived in diverse paleogeographic *** reefs of the Early Ordovician,Calathium-lithistid sponge-algal reefs of the late Early Ordovician to early Middle Ordovician,and coral-stromatoporoid-algal reefs of the early Late Ordovician,indicate change from Cambrian to Paleozoic ***-stromatoporoid-algal reefs were the basic communities after 100 *** macroevolution of biotic struc-tures generally shows increased complexity;the evolution of China s reef biota parallels that *** aspects are:(1) The Calathium-algal reefs from the early Tremadocian Nantzinkuan Formation,Zhangjiajie,western Hunan are the pioneer reefs,and the Darriwillian Yijianfang Formation,Bachu are the relic reefs.(2) The bryozoan-dominated reefs of the late Tremadocian Fenhsiang Formation,Middle Yangtze Platform are unique.(3) The early coral-stromatoporoid-algal reefs are highly restricted in China.(4) The algal reefs from the latest Katian on the western margin of the Yangtze Platform,represent an abnormal reef-building environment during the initial stages of Gondwanan glaciations.