Hinosawa Conglomerate Member

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Hinosawa Conglomerate Member Tuzino et al., 2018

Invalid synonym: Takayashiki Sandstone Member

Type locality: Hinosawa creek, Jumonji, Shimotomai, Ninohe city, Iwate prefecture
Coherent formation
middle Miocene

Sedimentary facies: Shallow marine
Sedimentary facies: Basal conglomerate
Lithofacies: Conglomerate, Sandstone
Sedimentary structures: Trough cross stratification, Channel structure

Lower limit: Unconformity (Mainosawa Sandstone Member, Itukamati Sandstone Member)

Zyumonzi Formation
[ Upper ]
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Shimotomai Volcaniclastic Rock Member
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Metoki Coquina Conglomerate Member
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Hinosawa Conglomerate Member
~~~~~~~~~~~~~~
[ Lower ]

Sannohe Group
[ Upper ]
~~~~~~~~~~~~~~
Hinosawa Formation
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Shitazaki Formation
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Yanagisawa Formation
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Zyumonzi Formation
~~~~~~~~~~~~~~
[ Lower ]

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

Distribution: Hinosawa creek, Jumonji, Shimotomai, Ninohe city, Iwate pref.
Fossils: Bivalves

Tuzino et al. (2018) Geology of the Ichinohe District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 161p. (in Japanese with English abstract 4p.)