[ Top ] [ Japanese ]

Shirasuka Sand and Gravel Member

• Coherent formation
• middle Pleistocene

• Sedimentary facies: Offshore - Shoreface facing open sea
• Lithofacies: Gravels, Sands

• Upper limit: Conformity (Upper Sugiyama Sand Member)
• Lower limit: Conformity (Middle Sugiyama Sand Member)

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

• Distribution: west coast of Lake Hamana, Kosai city, Shizuoka pref.

• Nakashima et al. (2008) Jour. Geol. Soc. Japan, vol.114, no.2, pp.70-79 DOI