Arisu Formation

Coherent formation
Carboniferous

Sedimentary facies: Marine
Lithofacies (Upper): Shale
Lithofacies (Middle): Sandstone
Lithofacies (Lower): Andesite - basalt lapilli tuff

South Kitakami Belt (Kamiarisu - Setamai, Iwate pref.)
[ Upper ]
?--?--?--?--?-
Nagaiwa Formation
--------------
Onimaru Formation
::::::::::::::
Odaira Formation
::::::::::::::
Arisu Formation
--------------
Shittakazawa Formation
?--?--?--?--?-
[ Lower ]

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

Distribution: Okuhinotsuchi, Sumita city, Kesen county, Iwate pref.

Tazawa and Kurita (2019) Jour. Geol. Soc. Japan, vol.125, no.3, pp.219-225 DOI