Hokone Gravel-bearing Siltstone Member

[ Top ] [ Japanese ]

Hokone Gravel-bearing Siltstone Member Sumi et al., 1989

Type locality: Hokone, Himi city, Toyama prefecture
Coherent formation
Miocene

Lithofacies: Gravel-bearing siltstone, Sandstone, Sandy siltstone
Sedimentary structures: Cross stratification
Paleocurrent: to Northeast - East

Thickness: ca. 10 - 80 m

Otogawa Formation (southern Himi, Toyama pref.)
[ Upper ]
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Hokone Gravel-bearing Siltstone Member
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Minamiyoshida Alternation of Mudstone and Sandstone Member
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Ogume Sandstone Member
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Kawata Sandstone Member
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Nishihirotani Sandstone Member
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Iwaodaki Tuffaceous Sandstone Member
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[ Lower ]

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

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

Distribution: Hokone - Mitakubo, Himi city, Toyama pref.; Kamiyata, Tsubata city, Kahoku county, Ishikawa pref.
Fossils: Shellfishes (Dosinia? sp.), Sponges (Makiyama sp.)

Sumi et al. (1989) Geology of the Isurugi District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 118p. (in Japanese with English abstract 5p.)