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Ks7.5A Tephra Tokuhashi and Endo, 1984

Abbr.: Ks7.5A

• Tephra
• Pleistocene

• Lithofacies: Scoria

• Host: Kasamori Formation, Kori Sand Member
• Thickness: 4 - 7 cm

• Distribution: Shimomisho - Kamiota, Nagara city, Chosei county, Chiba pref.; Kanbo, Oamishirasato city, Chiba pref.; Katsura, Mobra city, Chiba 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.)