Kakkondagawa Pyroclastic Rocks

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Kakkondagawa Pyroclastic Rocks Sato, 1972

Type locality: Kakkonda river, Nishine, Shizukuishi city, Iwate county, Iwate prefecture
Volcanic rocks
Pliocene

Lithofacies: Dacitic tuff

Thickness: ca. 400 - 600 m
Upper limit: Unconformity (Matsukawa Andesite, Mitsuishisan Volcanic Products)
Lower limit: Unconformity (Minamishirasawa Formation)

Shizukuishi, Iwate pref.
[ Upper ]
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Kakkondagawa Pyroclastic Rocks
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Minamishirasawa Formation / Masuzawa Formation
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Yamatsuda Formation
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Koshitomaezawa Formation
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Ryukawa Formation
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Kunimitoge Formation
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Obonai Formation
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[ Lower ]

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

Distribution: Kakkonda river, Nishine, Shizukuishi city, Iwate county, Iwate pref.

Suto and Ishii (1987) Geology of the Shizukuishi District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 142p. (in Japanese with English abstract 5p.)