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Amaike Pumice

• Tephra
• Holocene?
• Correlation: Hacchodaira Lava

• Lithofacies: Pyroxene andesite pumice

• Thickness: 60 - 100 cm

• Distribution: Lake Amaike - eastern flank of Mount Amaikeyama - Yakorioku, Sakuho city, Minamisaku county, Nagano pref.

• Kawachi (1974) Geology of the Tateshinayama District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 114p. (in Japanese with English abstract 5p.)