| 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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| 关键词:Carboniferous-Permian Palaeoaplysina reef evolution Panthalassan atoll Akiyoshi |
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| Gzhelian-Asselian Palaeoaplysina reef in atoll carbonates ofthe Akiyoshi Terrane, SW Japan: A peculiar communityin the Panthalassan reef evolution |
| 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. |
| Tsutomu NAKAZAWA,Katsumi UENO.2009.Gzhelian-Asselian Palaeoaplysina reef in atoll carbonates ofthe Akiyoshi Terrane, SW Japan: A peculiar communityin the Panthalassan reef evolution[J].Acta Geoscientica Sinica,30(S1):44-47. |
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