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Yosa Group
- Sedimentary facies (Upper): Lacustorine or Mudflat
- Sedimentary facies (Lower): Delta
- Lithofacies (Upper): Tuff, Andesite
- Lithofacies (Upper, Minor): Sandstone, Mudstone, Tuff breccia
- Lithofacies (Middle): Interbedded sandstone and mudstone
- Lithofacies (Middle, Minor): Conglomerate
- Lithofacies (Lower): Conglomerate
- Thickness: 1,000 m or thicker
- Thickness (Upper): 200 m or thicker
- Thickness (Middle): ca. 400 m
- Thickness (Lower): ca. 200 m
- Upper limit: Conformity (Honjohama Andesite), Unconformity (Komoriyama Andesite)
- Lower limit: Unconformity (Granite)
- Yosa Group (Ine, Kyoto pref.)
- [ Upper ]
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- Ine Andesite
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- Middle part
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- Lower part
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- [ Lower ]
- Yosa Group (western Miyazu, Kyoto pref.)
- [ Upper ]
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- Kirihata Tuff Member
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- [ Lower ]
- Yosa Group (eastern Miyazu, Kyoto pref.)
- [ Upper ]
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- Noma Volcanics Member
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- [ Lower ]
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Hatadani - Rokumanbu - Imuro - Arai - Nomuro - Tomari - Kameshima, Ine city, Yosa county, Kyoto pref.; Atsugaki - Motomura - Hinode - Okuhami - Umegatani - Kigo - Mount Shiogiriyama - Kamisaya - Cape Kuromisaki - Nagae, Miyazu city, Kyoto pref.; Midono - Kosugi, Yasaka town, Kyotango city, Kyoto pref.; Kirihata - Amino, Amino town, Kyotango city, Kyoto pref.
- Fossils (Shellfishes): Pecten cf. clancularius
- Fossils (Plants): Acer sp., Carpinus carpinoides, Calpinus laxiflora, Diospyros? sp., Fagus ferruginea, Fagus japonica, Magnolia? sp., Micromeles alnifolia, Micromeles japonica, Populus sp. Quercus acutissima, Quercus glauca, Salix? sp., Taxodium distichum, Tilia distaus, Zelkova serrata
- Hirokawa and Kuroda (1962) Kammuri-Jima, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 12p. (in Japanese with English abstract 6p.)
- Hirokawa and Kuroda (1960) Miyazu, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 23p. (in Japanese with English abstract 6p.)
- Hirokawa and Kuroda (1958) Tangoyura, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 23p. (in Japanese with English abstract 9p.)