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Suwayama Dacite (Inoue, 1960) Tsuchiya and Yoshikawa (1994)

Invalid synonym: Myokosawadake Dacite

• Type locality: Mount Suwa, Inazawa, Kyowa, Daisen city, Akita prefecture
• Volcanic rocks
• Lava domes
• Miocene (12.8 - 10.5 Ma, K-Ar)

• Sedimentary facies: Marine
• Lithofacies: Dacite, Rhyolite
• Lithofacies (Minor): Andesite lava, Dyke

• Distribution (East-West, Maximum): 4 km
• Distribution (North-South, Maximum): 4.5 km

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

• Distribution: Mount Suwa - Mount Kokuzo - Mount Myokosawa, Daisen city, Akita pref.

• Tsuchiya and Yoshikawa (1994) Geology of the Kariwano District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 72p. (in Japanese with English abstract 4p.)