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Shiradagawa Volcanics

• Volcanic rocks
• Miocene
• Intruded by: Andesite - Basalt dike
• Correlation: Yugashima Group?

• Lithofacies: Andesite - Basalt lava, Tuff breccia
• Lithofacies (Minor): Mudstone

• Upper limit: Unconformity (Shirahama Group, Okukito Lava)

• Distribution: Shiradagawa river - Naramoto river, Higashiizu city, Kamo county, Shizuoka pref.

• Ono and Sumi (1959) Inatori, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 23p. (in Japanese with English abstract 3p.)