[ Top ] [ Japanese ]

Choanji Formation (Onuki, 1956) Tazawa and Niikawa, 2018

Previously interpreted as the lowest part of Carboniferous Hikoroichi Formation.

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