Earth:List of biostratigraphic zones of Japan
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Short description: List of Japanese biostratigraphic zones
This list is of the biostratigraphic zones of Japan. The determinant Cretaceous "indices" being local species of Inoceramidae and Desmoceratoidea, the schema also differs from that of other regions.[1]:55
Cretaceous
| Japanese time scale | ICS[2] | ||
| Stage / Age | System / Period | ||
| Miyakoan (宮古統) | Lower Miyakoan (宮古統下部階)[1] | Aptian | Lower Cretaceous |
| Upper Miyakoan (宮古統上部階)[1] | Albian | ||
| Infragyliakian[1] | Cenomanian | Upper Cretaceous | |
| Gyliakian (ギリヤーク統) | Lower Gyliakian (ギリヤーク統下部階)[1] | ||
| Upper Gyliakian (ギリヤーク統上部階)[1] | Turonian | ||
| Urakawan (浦河統) | Lower Urakawan (浦河統下部階)[1] | Coniacian | |
| Upper Urakawan (浦河統上部階)[1] | Santonian | ||
| Infrahetonaian[1] | Campanian | ||
| Hetonaian (ヘトナイ統) | Lower Hetonaian (ヘトナイ統下部階)[1] | ||
| Upper Hetonaian (ヘトナイ統上部階)[1] | Maastrichtian | ||
Palaeogene and Neogene
Palaeogene and Neogene stages in western Japan include (from the Middle Eocene to the Early Miocene):[3]:640
- Takashiman (高島階)
- Okinoshiman (沖ノ島階)
- Funazuan (船津昔)
- Mazean (間瀬昔)
- Nishisonogian (西彼杵昔)
- Saseboan (佐世保階)
Other Neogene stages include:[4]
- Haranoyan (原谷階)
- Tozawan (戸沢階)
- Kaburan (カブラ階)
- Fujian (富士階)
- Yuian (由比階)
- Totomian (遠江階)
- Suchian (周智階)
- Kechienjian (結縁寺階)
- Yuzanjian (湯山寺階)
References
- ↑ 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 Matsumoto Tatsurō (1959). "Zonation of the Upper Cretaceous in Japan". Memoirs of the Faculty of Science, Kyūsyū University. Series D, Geology (Kyushu University) 9 (2): 55–93. doi:10.5109/1524329.
- ↑ "International Chronostratigraphic Chart". International Commission on Stratigraphy. February 2022. https://stratigraphy.org/ICSchart/ChronostratChart2022-02.pdf.
- ↑ Mizuno Atsuyuki 水野篤行 (1962). (in ja)Journal of the Geological Society of Japan (Geological Society of Japan) 68 (806): 640–648. doi:10.5575/geosoc.68.640.
- ↑ Ikebe Nubio; Tsuchi Ryūichi (1984). "Synopsis of Japanese Neogene stages". Palaeogeography, Palaeoclimatology, Palaeoecology (Elsevier) 46 (1–3): 1–10. doi:10.1016/0031-0182(84)90021-X.
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