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Hosono Andesite Nagamori et al., 2013

Formaly considered as a part of Mitsumori Andesite

• Type locality: Osawa river, Hosono, Namioka, Aomori city, Aomori prefecture
• Volcanic rocks
• Pliocene - Pleistocene (2.4, 2.0 Ma, K-Ar)
• Intruded in: Isodayama Formation

• Lithofacies: Andesite

• Distribution: ca. 200 x 350 m²

• Distribution: Osawa river, Hosono, Namioka, Aomori city, Aomori pref.

• Nagamori et al. (2013) Geology of the Aomori-Seibu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 67p. (in Japanese with English abstract 4p.)