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Hayasaka Pumice Deposit

• Tephra
• Holocene (ca. 80 - 77 ka)

• Lithofacies: Volcanic ash fall deposit
• Lithofacies (Lower): Pumice

• Source: Akita-Komagatake volcano
• Thickness: 15 - 20 cm

• Distribution: Odagoe, Ohasama town, Hanamaki city, Iwate pref.

• Kawamura et al. (2013) Geology of the Hayachine San District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 101p. (in Japanese with English abstract 4p.)