Upper Himenoura Subgroup

Coherent formation
Late Cretaceous, Campanian - Maastrichtian (Inoceramus sp.)

Lithofacies: Sandstone

Himenoura Group (Amakusa-Kamishima island)
[ Upper ]
?--?--?--?--?-
Upper Himenoura Subgroup
--------------
Lower Himenoura Subgroup
~~~~~~~~~~~~~~
[ Lower ]

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

Distribution: Amakusa-Shimoshima island, Amakusa city, Kumamoto pref.; Kamikoshikijima island - Nakakoshikijima island - Shimokoshikijima island, Koshikijima islands, Satsumasendai city, Kagoshima pref.
Fossils: Inoceramus sp.

Kojo et al. (2011) Jour. Geol. Soc. Japan, vol.117, no.7, pp.398-416 DOI