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Kawai Hybrid Rocks (Yamamoto, 1954)

• Type locality: Ayogawa river, Kawai, Daito town, Unnan city, Shimane prefecture
• Plutonic rocks
• early Eocene (53 - 40 Ma, K-Ar)
• Intruded by: Ouchidani Granite, Shimokuno Granite
• Intruded in: Rengeji Granodiorite

• Lithofacies (Upper): Felsic rocks
• Lithofacies (Lower): Mafic rocks
• Lithofacies (Upper): Biotite granite, Muscovite biotite granite, Granophyre
• Lithofacies (Lower): Hornblende biotite quartz diorite, Tonalite, Granodiorite

• Thickness: ca. 270 - 320 m
• Thickness (Upper): ca. 20 - 150 m
• Thickness (Lower): ca. 250 - 170 m
• Distribution (East - West): ca. 2.5 km, ca. 1 km, ca. 0.7 km
• Distribution (South - North): ca. 1 km, ca. 0.7 km, ca. 1 km

• Distribution: Kawai - Hongo - Kamigumi - Mine - Hina - Kawai pass, Daito town, Unnan city, Shimane pref.
• Deposit: Mo

• Matsuura et al. (2005) Geology of the Kisuki District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 72p. (in Japanese with English abstract 5p.)