Nakanomatanokkoshi Sandstone Member

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Nakanomatanokkoshi Sandstone Member Harayama et al. 1991

Coherent formation
Early Cretaceous

Sedimentary facies: Terrestrial
Sedimentary facies: Outer fan of alluvian fan
Sedimentary facies: Stream flood
Lithofacies: Sandstone
Lithofacies (Minor): Conglomerate, Mudstone, Siltstone, Felsic tuff
Sedimentary structures: Cross stratification

Thickness: 140 - 300 m
Upper limit: Conformity (Minamimatadani Conglomerate Member)
Lower limit: Conformity (Ioridanitoge Formation), Abut unconformity (Kanakido Tonalite)

Inotani Formation
[ Upper ]
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Yakushizawamigimata Conglomerate Member
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Wasabu Alternation Member
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Minamimatadani Conglomerate Member
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Nakamatanokkoshi Sandstone Member
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[ Lower ]

Jinzu Group
[ Upper ]
?--?--?--?--?-
Shiroiwagawa Formation
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Inotani Formation
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Ioridanitoge Formation
~~~~~~~~~~~~~~
[ Lower ]

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

Distribution: Nakanomatanokkoshi - Hagedani valley - Yakushizawa creek - Akagidaira - Mount Kurobegorodake - Mount Suishodake, Arimine, Toyama city, Toyama pref.

Harayama et al. (1991) Geology of the Yarigatake District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 190p. (in Japanese with English abstract 8p.)