| 西南日本秋吉带石炭系高山(Ko-yama)灰岩群的石炭纪(Visean – Moscovian)牙形石序列 |
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| 关键词:conodont Ko-yama Limestone Carboniferous Akiyoshi Belt SW Japan |
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| Carboniferous (Visean–Moscovian) Conodont Faunal Succession in the Ko-yama Limestone Group, Akiyoshi Belt, SW Japan: the Biostratigraphic Resolution in the Clastic Carbonate Sedimentary Field |
| The Carboniferous conodont faunal succession of the lower part of Ko-yama Limestone Group was studied. The confirmed upper Visean–lower Moscovian lithostratigraphy of the group is characterized by the clastic carbonates with common association of the basaltic pyroclastics and some intercalation of spicular chert beds. The faunal succession of Gnathodus semiglaber (upper Visean), Gnathodus praebilineatus – Lochriea multinodosa (upper Visean), Lochriea ziegleri – Gnathodus girtyi girtyi s.l. (lower Serpukhovian), Neoganthodus symmetricus – Idiognathodus primulus (middle – upper Bashkirian), and Idiognathoides convexus – Gondolella clarki (lower Moscovian) faunas, appears in concordance with the lithostratigraphic order. The faunas are correlative with those from the conodont zones of the Hina, Atetsu, Akiyoshi and Omi limestone groups in the Akiyoshi Belt. The Visean/Serpukhovian boundary of the section was recognized by the FAD of Lochriea ziegleri. |
| Keisuke ISHIDA,Sigeyuki SUZUKI,Noriyuki INADA,Shinji YAMASHITA.2012.Carboniferous (Visean–Moscovian) Conodont Faunal Succession in the Ko-yama Limestone Group, Akiyoshi Belt, SW Japan: the Biostratigraphic Resolution in the Clastic Carbonate Sedimentary Field[J].Acta Geoscientica Sinica,33(s1):25-28. |
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