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Moriyama Volcanics

• Type locality: Mount Moriyama, Gojome city, Minamiakita county, Akita prefecture
• Volcanic rocks
• Miocene
• Intruded by: Rhyolite

• Lithofacies: Augite-bearing biotite hornblende dacite

• Distribution: Mount Moriyama, Gojome city, Minamiakita county, Akita pref.; Mount Takaoka, Hachirogata city, Minamiakita county, Akita pref.

• Hase and Hirayama (1970) Geology of the Gojome District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 46p. (in Japanese with English abstract 6p.)