Tsushi Member

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Tsushi Member

Type locality: Tsushi, Sumoto city, Hyogo prefecture
Coherent formation
Pliocene - Pleistocene
Interfingered (Gunge Member)
Correlation: Ogura Member

Sedimentary facies: Fluvial, Lacustrine
Lithofacies: Interbedded silt, clay and sands
Lithofacies (Minor): Gravels

Thickness: 80 - 120 m
Upper limit: Conformity (Goshikihama Formation)
Lower limit: Conformity (Aihara Member), Unconformity (Granites)

Atago Formation
[ Upper ]
~~~~~~~~~~~~~~
Takedani Member
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Gunge Member / Tsushi Member
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Aihara Member
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Inohana Member
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[ Lower ]

Osaka Group (central Awajishima, Hyogo pref.)
[ Upper ]
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Goshikihama Formation
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Atago Formation
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[ Lower ]

Second Setouchi Supergroup (Osaka pref. - Hyogo pref.)
[ Upper ]
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Osaka Group
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[ Lower ]

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

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

Distribution: Tsushi - Kayano - Aiga - Kaminaizen, Sumoto city, Hyogo pref.; Kusaka - Fukakusa - Torikai, Awaji city, Hyogo pref.; Shitoori, Minamiawaji city, Hyogo pref.
Tephra: Kenjogaoka 1, Kenjogaoka 2

Takahashi et al. (1992) Geology of the Sumoto District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 107p. (in Japanese with English abstract 5p.)