Sodeyama Member

[ Top ] [ Japanese ]

Sodeyama Member Tanaka and Hirabayashi, 1964

Type locality: Sodeyama, Ikusaka city, Higashichikuma county, Nagano prefecture
Coherent formation
Miocene

Lithofacies: Interbedded sandstone and sandy mudstone, Sandstone, Conglomerate

Thickness: 400 m or thicker
Upper limit: Conformity (Hosei Member)

Aoki Formation (Nagano, Nagano pref.)
[ Upper ]
--------------
Asakawa Member
--------------
Hitoeyama Member
--------------
[ Lower ]

Aoki Formation (Matsumoto, Nagano pref.)
[ Upper ]
--------------
Kitayama Mudstone and Sandstone Member
--------------
Hakumaki Sandstone and Conglomerate Member
--------------
[ Lower ]

(Invalid) Aoki Formation (Togakushi, Nagano pref.)
[ Upper ]
--------------
Asakawa Mudstone Member
--------------
Senmi Sandstone Mudstone Member => Ronji Formation
--------------
Nishikyo Mudstone Member
?--?--?--?--?-
[ Lower ]

(Invalid) Aoki Formation (Omachi, Nagano pref.)
[ Upper ]
--------------
Agero Member
--------------
Nodaira Member
--------------
Hosei Member
--------------
Sodeyama Member
--------------
[ Lower ]

Hokushin Group
[ Upper ]
--------------
Shigarami Formation
--------------
Ogawa Formation
--------------
Aoki Formation
--------------
[ Lower ]

northern Nagano pref.
[ Upper ]
--------------
Hokushin Group
--------------
Chushin Group
--------------
[ Lower ]

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

Distribution: Sodeyama, Ikusaka city, Higashichikuma county, Nagano pref.

Kato and Sato (1983) Geology of the Shinano-Ikeda District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 93p. (in Japanese with English abstract 7p.)