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Kaibara Quartz Gabbro Tainosho et al., 1983

• Plutonic rocks
• Late Cretaceous (73.6 Ma, K-Ar)
• Intruded in: Sasori Tuff Breccia

• Lithofacies: Hornblende-bearing clinopyroxene orthopyroxene quartz gabbro, Biotite-bearing clinopyroxene orthopyroxene hornblende gabbro, Biotite orthopyroxene hornblende quartz diorite

• Distribution (East - West): ca. 2.5 km
• Distribution (South - North): ca. 1.5 km

• Distribution: Kaibara, Inagawa city, Kawabe county, Hyogo pref.

• Imoto et al. (1991) Geology of the Sonobe District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 68p. (in Japanese with English abstract 4p.)