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Shimoomi Basalt

• Coherent formation
• Pliocene - Pleistocene

• Lithofacies: Pigeonite series
• Lithofacies: Augite basalt lava
• Lithofacies (Minor): Agglutinates
• Lithofacies (Lower, Minor): Tuffaceous gravels

• Thickness (Lava): 10 m or thicker
• Thickness (Lower, Minor): ca. 10 m
• Lower limit: Unconformity (Jo Formation, Shuzenji White Tuffs)

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

• Distribution: Hinata, Izu city, Shizuoka pref.

• Sawamura (1955) Shuzenji, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 47p. (in Japanese with English abstract 4p.)