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Ka2.3 Tephra

Abbr.: Ka2.3

• Tephra
• Pleistocene

• Lithofacies: Pumice

• Thickness: ca. 10 cm
• Host: Kakinokidai Formation, Koshiba Formation, Nakazato Formation

• Distribution: Nekata, Chonan city, Chosei county, Chiba pref.; Higashitani - Nishitani - Iijima town, Totsuka ward, Yokohama city, Kanagawa pref.; Isogo town - Okamura town, Isogo ward, Yokohama city, Kanagawa pref.; Ooka town - Nakazato town - Mutsukawa town, Minami ward, Yokohama city, Kanagawa pref.

• Nanayama et al. (2016) Geology of the Mobara District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 101p. (in Japanese with English abstract 4p.)
• Mitsunashi and Kikuchi (1982) Geology of the Yokohama District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 105p. (in Japanese with English abstract 4p.)