Horakuji Sandstone Member

[ Top ] [ Japanese ]

Horakuji Sandstone Member Sumi et al, 1989

Type locality: Horakuji, Oyabe city, Toyama prefecture
Coherent formation
Miocene

Lithofacies: Sandstone
Lithofacies (Minor): Tuffaceous sandstone, Tuff, Siltstone

Thickness: ca. 5 - 80 m
Upper imit: Unconformity (Himi Formation)

Otogawa Formation (Oyabe, Toyama pref.)
[ Upper ]
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Sunayama Sandstone Member
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Horakuji 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: Horakuji - Tagawa, Oyabe city, Toyama pref.; Kamimukuta, Fukuoka town, Takaoka city, Toyama pref.
Fossils: Brachiopods
Fossils (Shellfishes): Arca sp., Chlamys sp., Clementia sp., Clinocardium sp., Limopsis sp., Lucinoma sp., Macoma sp., Mizuhopecten sp., Nemocardium sp., Nucula sp., Nuculana sp., Shiponalia sp., Turritella sp., Venericardia sp., Yoldia (Cunesterium) 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.)