Syuso Formation

Coherent formation
Pleistocene

Sedimentary facies: Terrestrial
Sedimentary facies: Allluvial fan
Lithofacies: Sandy gravels
Lithofacies (Minor): Mud

Upper limit: Unconformity, partly abut (Nyugawa Formation)
Lower limit: Unconformity (Izumi Group)

Saijo plain, Ehime pref.
[ Upper ]
--------------
Nyugawa Formation
~~~~~~~~~~~~~~
Syuso Formation
--------------
Okamura Formation
?--?--?--?--?-
[ Lower ]

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

Distribution: Saijo plain, Ehime pref.
Tephra: AT

Kawamura and Nishiyama (2019) Jour. Geol. Soc. Japan, vol.125, no.1, pp.87-105 DOI