Domeki Sandstone Member

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Domeki Sandstone Member

Coherent formation
Cretaceous

Sedimentary facies: Fluvial?
Lithofacies (Upper): Arenite sandstone
Lithofacies (Upper, Minor): Conglomerate
Lithofacies (Lower): Arenite sandstone
Lithofacies (Lower, Minor): Shale, Siltstone
Sedimentary structures: Cross stratification, Felsic tuff
Paleocurrent: South to North

Thickness: ca. 330 - 700 m
Upper limit: Unconformity (Lower Andesitic Volcaniclastics Member, Gobanshoyama Formation)

Ayukawa Formation
[ Upper ]
~~~~~~~~~~~~~~
Domeki Sandstone Member
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Futawatashi Shale Member
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Kobitawatashi Sandstone and Shale Member
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Kiyosaki Sandstone Member
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[ Lower ]

Ojika Group
[ Upper ]
~~~~~~~~~~~~~~
Ayukawa Formation
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Oginohama Formation
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Tsukinoura Formation
~~~~~~~~~~~~~~
[ Lower ]

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

Distribution: Cape Domeki, Aji island - Tashiro island, Ishinomaki city, Miyagi pref.

Takizawa et al. (1987) Geology of the Yoriiso District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 74p. (in Japanese with English abstract 5p.)
Takizawa et al. (1974) Geology of the Kinkasan District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 62p. (in Japanese with English abstract 5p.)