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Sd100 Tephra

• Tephra
• Pleistocene (2.1 Ma, FT)

• Lithofacies: Pumiceous tephra

• Thickness: 40 cm
• Source: Tanzawa mountains
• Host: Shioda Formation

• Distribution: Shioda, Tana, Chuo ward, Sagamihara city, Tokyo

• Ueki et al. (2013) Geology of the Hachioji District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 137p. (in Japanese with English abstract 6p.)