Sakura Alternation Member

[ Top ] [ Japanese ]

Sakura Alternation Member Amenomori, 1978

Coherent formation
Pliocene - Pleistocene
Correlation: Kiyota Alternation Member, Hino Clays Member

Sedimentary facies: Terrestrial
Lithofacies: Silt-dominant interbedded silt, sands and gravels
Lithofacies (Minor): Clay, Lignite

Thickness: ca. 80 - 240 m

Gamo Formation (Hino - Yokaichi, Shiga pref.)
[ Upper ]
--------------
Nakazaiji Alternation Member
--------------
Sakura Alternation Member
--------------
[ Lower ]

Gamo Formation (Hino hills, Shiga pref.)
[ Upper ]
--------------
Hino Alternation Member
--------------
Hino Clays Member
--------------
Sakura Alternation Member
--------------
[ Lower ]

Kobiwako Group
[ Upper ]
--------------
Takashima Formation
--------------
Katata Formation
--------------
Kusatsu Formation
--------------
Gamo Formation
--------------
Koka Formation
--------------
Ayama Formation
--------------
Iga Formation
--------------
Ueno Formation
~~~~~~~~~~~~~~
[ Lower ]

Second Setouchi Supergroup (Shiga pref.)
[ Upper ]
~~~~~~~~~~~~~~
Kobiwako Group
~~~~~~~~~~~~~~
[ Lower ]

[ Upper ]
~~~~~~~~~~~~~~
Second Setouchi Supergroup
?--?--?--?--?-
First Setouchi Supergroup
~~~~~~~~~~~~~~
[ Lower ]

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

Distribution: Sakuragawa river - Wanamigawa river - Mount Jozenbosan, Hino city, Gamo county, Shiga pref.
Tephra: Sakuradani Tephra, Kono II Tephra

Harayama et al. (1989) Geology of the Gozaishoyama District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 145p. (in Japanese with English abstract 6p.)
Ishida et al. (1984) Geology of the Hikone-Seibu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 121p. (in Japanese with English abstract 6p.)