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Nanashigure Volcanic Fan Deposit Tuzino et al., 2018

Invalid synonym: Terada Andesite

• Type locality: Otomo, Ichinohe city, Ninohe county, Iwate prefecture
• Coherent formation
• early - late Pleistocene (1.0 - 0.13 Ma)

• Sedimentary facies: Terrestrial
• Sedimentary facies: Volcanic fan deposit
• Sedimentary facies: Debris flow deposit
• Lithofacies: Gravels

• Thickness: 20 - 30 m or thinner
• Lower limit: Unconformity (Zyumonzi Formation)

• Distribution: flank of Nanashigure volcano, Iwate pref.
• Distribution: Otomo, Ichinohe city, Ninohe county, Iwate pref.

• Tuzino et al. (2018) Geology of the Ichinohe District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 161p. (in Japanese with English abstract 4p.)