Kuzuba Alternation Member

[ Top ] [ Japanese ]

Kuzuba Alternation Member

Coherent formation
middle - late Miocene
Correlation: Shoshihara Alternation, Hinata Formation
Correlation (Bottom): Nakata Tuff

Lithofacies: Interbedded sandstone and silty mudstone
Lithofacies (Bottom): Pumiceous tuff

Thickness: ca. 70 - 200 m
Upper limit: Interfingered (Sugata Mudstone Member), Conformity (Ogume Sandstone Member)

Otogawa Formation (Shio, Ishikawa pref.)
[ Upper ]
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Shikinami Alternation of Sandstone and Mudstone Member
'''''''/,,,,,,
Hijirikawa Mudstone Member
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Ogume Sandstone Member
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Kuzuba Alternation Member
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[ Lower ]

Otogawa Formation (northern Himi, Toyama pref.)
[ Upper ]
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Sugata Mudstone Member
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Ogume Sandstone Member
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Kuzuba Alternation Member
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[ Lower ]

Tonami Group
[ Upper ]
~~~~~~~~~~~~~~
Mita Formation
~~~~~~~~~~~~~~
Otogawa Formation
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Tenguyama Formation
~~~~~~~~~~~~~~
[ Lower ]

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

Distribution: Katabatake, Himi city, Toyama pref.; Shingu - Mukose - Shoshihara, Hodatsushimizu city, Hakui county, Ishikaw pref.
Fossils: Shellfishes (Limopsis sp.), Sponges (Makiyama sp.), Plants

Imai et al. (1966) Geology of the Ochigata and Abugashima District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 67p. (in Japanese with English abstract 4p.)