Nanamagari Tuff Member

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Nanamagari Tuff Member

Volcanic rocks
early - late Miocene
Correlation: Yamadanaka Tuff, Doyama Tuffaceous Member
Intruded by: Basalt dykes

Lithofacies: Tuffaceous sandstone, Tuffaceous mudstone, Pumice tuff, Tuff

Thickness: ca. 30 - 100 m
Upper limit: Conformity (Asagaya Mudstone Member)
Lower limit: Transitional, partly unconformity (Sunagozaka Formation)

Nanamagari Tuff Member
[ Upper ]
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Kurokabe Basalt
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Main part
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[ Lower ]

Yatsuo Group (Kanazawa, Ishikawa pref.)
[ Upper ]
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Asagaya Mudstone Member
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Nanamagari Tuff Member
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Sunagozaka Formation
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[ Lower ]

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

Distribution: Asagaya town - Kamitatsumi town - Yamago town - Nukadani - Higashiichise town - Hiraguri, Kanazawa city, Ishikawa pref.

Imai (1959) Kanazawa, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 27p. (in Japanese with English abstract 3p.)