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Aso-1 Pyroclastic Flow Deposits
- Volcanic rocks
- middle Pleistocene (ca. 270 ka)
- Correlation: Minohara Tephra
- Lithofacies: Pyroclastic flow deposits
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Mashiki city, Kamimashiki county, Kumamoto pref.; Anden seashore, Iriai, Oga city, Akita pref.
- Nakazawa et al. (2018) Jour. Geol. Soc. Japan, vol.124, no.5, pp.347-359 DOI
- Wakita et al. (2013) Geology of the Kyoto-Tonambu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 124p. (in Japanese with English abstract 3p.)
- Takagi et al. (2007) Jour. Geol. Soc. Japan, vol.113, no.1, pp.1-14 DOI