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Ebs-Fkd Tephra Itihara et al., 1975

Abbr.: Ebs-Fkd, Eb-Fukuda

Synonym.: Fukuda Tephra

• Type locality: Sennan hills, Osaka prefecture
• Tephra
• Pleistocene (1.75, 1.59 Ma, FT)
• Correlation: Sg3 (Yokohama, Kanagawa), Kd38, Ob2 (Choshi, Chiba), T6 (Himi, Toyama), O2 (Kanazawa, Ishikawa), HT08B (southern Boso, Chiba), Ebisutoge Pyroclastic Flow Deposit (Takayama, Gifu), Chayano Tuff I, II, Kitawaki, Pumice, Kamotani, Fugenji, Shimoumetani, Umetani III (Nara pref.)

• Lithofacies: Volcanic ash
• Sedimentary structures: Volcanic ash

• Source: Hida mountains, Nagano pref., Japan
• Thickness: 60 - 300 cm
• Host: Kiwada Formation, Sayama Formation, Higashihata Member

• Distribution: Sennan hills, Osaka pref.; Fugenji, Kyotanabe city, Kyoto pref.; Higashihata, Seika city, Soraku county, Kyoto pref.; Tomio, Ikoma city, Nara pref.; Boso peninsula, Chiba pref.

• Utsunomiya and Ooi (2019) Geology of the Kazusa-Ohara District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 127p. (in Japanese with English abstract 4p.)
• Tamura et al. (2019) Jour. Geol. Soc. Japan, vol.125, no.1, pp.23-39 DOI
• Ueki and Sakai (2007) Geology of the Ome District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 189p. (in Japanese with English abstract 5p.)
• Yoshida et al. (2003) Geology of the Omi-Hachiman District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 72p. (in Japanese with English abstract 3p.)
• Miyachi et al. (2001) Geology of the Osaka-Tohokubu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 130p. (in Japanese with English abstract 6p.)
• Ozaki et al. (2000) Geology of the Nara District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 162p. (in Japanese with English abstract 5p.)