Kimyosan Volcanics

[ Top ] [ Japanese ]

Kimyosan Volcanics (Morimoto et al., 1966)

Type locality: Kiyotaki - summit of Mount Kimyosan, Matsushiro town, Nagano city, Nagano prefecture
Volcanic rocks
Pliocene

Lithofacies: Augite hypersthene andesite lava, Tuff breccia

Thickness: ca. 400 m or thicker
Source: Mount Kimyosan
Lower limit: Unconformity (Bessho Formation, Hokiyadake Volcanics, Quartz diorite)

Kimyosan Volcanics
[ Upper ]
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Kimyo Volcanics
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Amakazariyama Volcanics
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Higashijo Volcanics
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Kiyotaki Volcanics
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[ Lower ]

Kimyosan Volcanics
[ Upper ]
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Shibaishi Volcanics
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[ Lower ]

Nagano, Nagano pref.
[ Upper ]
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Kimyosan Volcanics
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Hokiyadake Volcanics
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Makiuchi Andesite
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[ Lower ]

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

Distribution: Kiyotaki - Higashiterao - Omuro - summit of Mount Kimyosan, Matsushiro town, Nagano city, Nagano pref.

Kato and Akahane (1986) Geology of the Nagano District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 120p. (in Japanese with English abstract 5p.)
Ota and Katada (1955) Suzaka, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 54p. (in Japanese with English abstract 6p.)