Aoiwa Conglomerate Member

Invalid synonym: Aoiwa Conglomerate Formation, Sugiyama Conglomerate (a local name at Ranzan city)

Type locality: River bed of Ara river, Kuroda, Fukaya city - Akahama, Yorii city, Saitama prefecture
Coherent formation
middle Miocene

Lithofacies: clast-supported - matrix-supported poorly-sorted breccia (2.0- 3.0 m boulders of Sanbagawa metamorphic rocks)
Matrix: Sandstone

Ichinokawa Formation
[ Upper ]
::::::::::::::
Aoiwa Conglomerate Member
::::::::::::::
[ Lower ]

Matsuyama Group
[ Upper ]
?--?--?--?--?-
Yagii Formation
--------------
Tsuchishio Formation
::::::::::::::
Ichinokawa Formation
::::::::::::::
Arakawa Formation
--------------
Kozono Formation
?--?--?--?--?-
[ Lower ]

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

Distribution: Akahama, Yorii city - Kuroda, Fukaya city, Saitama pref.; Kawabukuro - Sugiyama, Ranzan city, Saitama pref.

Takagi et al. (2016) Jour. Geol. Soc. Japan, vol.122, no.7, pp.305-324, DOI
Arai et al. (2009) Jour. Geol. Soc. Japan, vol.115, no.5, pp.223-241 DOI
Takahashi and Yanagisawa (2004) Jour. Geol. Soc. Japan, vol.122, no.12, pp.625-635.