Gzhelian-Asselian Palaeoaplysina reef in atoll carbonates of the Akiyoshi Terrane, SW Japan: A peculiar community in the Panthalassan reef evolution
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引用本文:Tsutomu NAKAZAWA,Katsumi UENO.2009.Gzhelian-Asselian Palaeoaplysina reef in atoll carbonates of the Akiyoshi Terrane, SW Japan: A peculiar community in the Panthalassan reef evolution[J].地球学报,30(S1):44-47.
DOI:10.3975/cagsb.2009.s1.24
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作者单位E-mail
Tsutomu NAKAZAWA Geological Survey of Japan, AIST, Tsukuba Central 7, Tsukuba 305-8567, Japan t-nakazawa@aist.go.jp 
Katsumi UENO Department of Earth System Science, Faculty of Science, Fukuoka University, Fukuoka 814-0180, Japan  
中文摘要:A Palaeoaplysina reef occurs in the Gzhelian-Asselian interval of the Panthalassan atoll carbonates, Akiyoshi Terrane, SW Japan. An alga, Palaeoaplysina was paleogeographically distributed mainly along the northern margin of Pangea and is regarded as a boreal element. Its distribution extended to the tropical or subtropical area of the Panthalassa Ocean caused by global cooling during an icehouse period. The Palaeoaplysina community was succeeded by a calcisponge community in the late Early Permian. This biotic turnover almost corresponds to the climatic change from icehouse to greenhouse conditions and coincides with the timing of a superplume activity in the mid-Panthalassa Ocean.
中文关键词:Carboniferous-Permian  Palaeoaplysina  reef evolution  Panthalassan atoll  Akiyoshi
 
Gzhelian-Asselian Palaeoaplysina reef in atoll carbonates ofthe Akiyoshi Terrane, SW Japan: A peculiar communityin the Panthalassan reef evolution
Abstract:A Palaeoaplysina reef occurs in the Gzhelian-Asselian interval of the Panthalassan atoll carbonates, Akiyoshi Terrane, SW Japan. An alga, Palaeoaplysina was paleogeographically distributed mainly along the northern margin of Pangea and is regarded as a boreal element. Its distribution extended to the tropical or subtropical area of the Panthalassa Ocean caused by global cooling during an icehouse period. The Palaeoaplysina community was succeeded by a calcisponge community in the late Early Permian. This biotic turnover almost corresponds to the climatic change from icehouse to greenhouse conditions and coincides with the timing of a superplume activity in the mid-Panthalassa Ocean.
keywords:Carboniferous-Permian  Palaeoaplysina  reef evolution  Panthalassan atoll  Akiyoshi
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