Futamata Rhyolites

[ Top ] [ Japanese ]

Futamata Rhyolites Ozawa et al., 1977

Type locality: Futamata, Akata, Yurihonjo city, Akita prefecture
Volcanic rocks
Dykes, Lava domes
Miocene

Lithofacies: Rhyolite lava

Thickness: 0 - 250 m

Onnagawa Formation (Honjo)
[ Upper ]
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Yakushiyama Basalts / Futamata Rhyolites
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[ Lower ]

Honjo, Akita pref.
[ Upper ]
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Onnagawa Formation
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Sugota Formation / gongenyama Formation
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Hatamura Formation
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Kanotsume Formation
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Oyana Formation
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Yamauchi Formation
?--?--?--?--?-
[ Lower ]

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

Distribution: Futamata, Akata, Yurihonjo city, Akita pref.

Ozawa et al. (1977) Geology of the Honjo District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 54p. (in Japanese with English abstract 4p.)