[ Top ] [ Japanese ]

Uppermost part

• Type locality: Jigoku valley, Kasugano village, Nara city, Nara prefecture
• Volcanic rocks
• Pyroclastic flow deposit
• Miocene

• Lithofacies: Mudstone, Gravelly mudstone, Sandstone, Conglomerate

• Thickness: 10 m or thicker
• Upper limit: Unconformity (Kasugayama Formation)
• Lower limit: Conformity

------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown

• Distribution: Jigoku valley, Kasugano village, Nara city, Nara pref.; Western Suyama, Nara city, Nara pref.

• Sato et al. (2015) Jour. Geol. Soc. Japan, vol.121, no.6, pp.173-178, DOI