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Yokosuka Formation (Suzuki, 1932) Kanie et al., 1977

• Coherent formation
• late Pleistocene (just before Last Glacial Period, 100 ka, U-Th)

• Lithofacies:

• Upper limit: Unconformity (Obaradai Sand and Gravel Formation)
• Lower limit: Unconformity (Miura Group)

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

• Distribution: Yokosuka - Otsu - Kamoi - Hashirimizu, Yokosuka city, Kanagawa pref.

• Eto et al. (1998) Geology of the Yokosuka District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 128p. (in Japanese with English abstract 3p.)