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Daitozaki Shell Bed (Ohara and taira, 1974)

• Coherent formation
• Holocene (7,570 - 7,420 calBP)

• Sedimentary facies: Transgression stage deposit
• Climate: Warm

• Lower limit: Unconformity (Kiwada Formation)

• Distribution: Cape Daitozaki, Isumi city, Chiba pref.
• Fossils (Corals): Oulastrea crispata
• Fossils (Shellfishes): Boring shell, Crassostrea gigas, Mya japonica, Phacosoma japonicum, Serpulorbis imbricatus

• 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.)