[ Top ] [ Japanese ]
Sennan Rhyolites (Ichikawa and Ohashi, 1965) Ichihara et al., 1986
- Volcanic rocks
- Cretaceous (75.3, 77.4 Ma, FT; 88.0, 90.4 Ma, K-Ar)
- Lithofacies: Interbedded rhyolitic welded tuff and non-welded tuff
- Sennan Rhyolites
- [ Upper ]
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- W10 Welded Tuff
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- Okanaka Tuff Formation
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- W9 Welded Tuff (85.0 Ma, FT)
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- W8 Welded Tuff
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- Shimooki Tuff Formation
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- W7 Welded Tuff
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- Kibitanigawa Tuff Formation
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- W6 Welded Tuff
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- W5 Welded Tuff
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- Okumizuma Tuff Formation
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- W4 Welded Tuff
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- Hatake? Tuff Formation
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- W3 Welded Tuff
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- W2 Welded Tuff
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- Ushitakigawa Rhyolite Lava
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- W1 Welded Tuff
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- Soba-gawa Conglomerate Formation (73.9 Ma, FT)
- ?--?--?--?--?-
- [ Lower ]
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Izumi mountans, Osaka pref., Awaji island, Hyogo pref.
- Seike et al. (2013) Jour. Geol. Soc. Japan, vol.119, no.12, pp.759-775 DOI
- Kano and Takagi (2013) Jour. Geol. Soc. Japan, vol.119, no.12, pp.776-793 DOI