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Komazume Debris Avalanche Deposit Hayatsu, 1972

• Type locality: Komatsume, Shinano city, Kamiminochi county, Nagano prefecture
• Coherent formation
• Pleistocene (8,810 yBP, ¹⁴C)

• Sedimentary facies: Debris avalanche deposit (A flow unit)
• Lithofacies: Breccia

• Distribution: ca. 2.5 km²
• Thickness: 10 m or thicker

• Distribution: Komatsume, Shinano city, Kamiminochi county, Nagano pref.

• Nagamori et al. (2003) Geology of the Togakushi District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 109p. (in Japanese with English abstract 3p.)