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Marishiten volcano group
- Volcanic rocks
- late Pleistocene (ca. 80 - 20 ka)
- Sedimentary facies (Minor): Pyroclastic flow deposit
- Lithofacies: Augite hypersthene andesite scoria fall deposit, Lava
- Lithofacies (Minor): Hypersthene olivine augite basaltic andesite
- Eruptive volume: ca. 40 km3
- Yonger Ontake Tephra Group (Upper)
- [ Upper ]
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- On-Sk
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- On-Ki
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- On-Yn
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- On-Og
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- On-Ss
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- On-Ys
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- On-Mt
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- On-Sn
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- On-Kn
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- On-Kr
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- [ Lower ]
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Takeuchi et al. (1998) Geology of the Kiso-Fukushima District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 94p. (in Japanese with English abstract 4p.)
- Yamada and Kobayashi (1988) Geology of the Ontakesan District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 136p. (in Japanese with English abstract 9p.)