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Mishima Pyroclastic Flow Deposit
Invalid synonym: Ir1 Pyroclastic Flow Deposit
- Tephra
- late Miocene (7.1 Ma, FT)
- Intruded by: Hornblende dacite, Biotite hornblende dacite, Orthopyroxene clinopyroxene hornblende dacite, Biotite orthopyroxene clinopyroxene hornblende dacite
- Lithofacies: Pyroclastic flow deposit
- Lithofacies: Hornblende dacite
- Lithofacies: Pumiceous lapilli tuff, Tuff breccia
- Iriyamazawa Formation
- [ Upper ]
- ~~~~~~~~~~~~~~
- Post-caldera stage
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- Mishima Pyroclastic Flow Deposit / Debris avalanche deposit = Caldera-forming stage
- ~~~~~~~~~~~~~~
- [ Lower ]
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Fukushima pref.
- Yamamoto and Komazawa (2004) Geology of the Miyashita District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 71p. (in Japanese with English abstract 5p.)
- Yamamoto and Yoshioka (1992) Geology of the Wakamatsu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 73p. (in Japanese with English abstract 5p.)