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Futatsumori Quartz Diorite Ozawa et al., 1983

• Type locality: Sangai creek - Futatsumori, Kasuge river, Fujisato city, Yamamoto county, Akita prefecture
• Plutonic rocks
• Miocene
• Intruded in: Hayaguchigawa Formation

• Lithofacies: Pyroxene-bearing hornblende quatz diorite
• Lithofacies (Minor): Granodiorite

• Distribution: 2.5 x 3.2 km², 0.8 x 0.8 km² or smaller, ca. 0.8 x 0.8 km²

• Distribution: Kasuge river - Tomari river - Osabanai river, Fujisato city, Yamamoto county, Akita pref.

• Ozawa et al. (1983) Geology of the Nakahama District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 62p. (in Japanese with English abstract 4p.)