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Anesaki Formation (Naruse, 1959) Tokuhashi and Endo, 1984

Lower part of Joso Formation

Invalid synonym: Anegasaki Formatino

• Type locality: Hikita, Ichihara city, Chiba prefecture
• Pleistocene (MIS 5.3)
• Correlation: Omiya Formation

• Lithofacies: Sands, Gravels, Mud
• Sedimentary structures: Trough cross-stratification

• Thickness: 1 - 20 m
• Lower limit: Unconformity (Kioroshi Formation, Jizodo Formation, Yabu Formation, Kamiizumi Formation)

------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown

• Distribution: Hikita, Ichihara city, Chiba pref.

• Sakata et al. (2018) Jour. Geol. Soc. Japan, vol.124, no.5, pp.331-346 DOI
• 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.)
• Ooi and Yokoyama (2011) Jour. Geol. Soc. Japan, vol.117, Supplement, pp.103-120 DOI
• Nakajima and Watanabe (2005) Geology of the Futtsu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 102p. (in Japanese with English abstract 8p.)
• Komatsubara et al. (2004) Geology of the Kisarazu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 64p. (in Japanese with English abstract 3p.)
• Tokuhashi and Endo (1984) Geology of the Anesaki District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 136p. (in Japanese with English abstract 6p.)