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Misaki Basalt Uchimizu, 1966

• Type locality: Cape Ugaizaki - Cape Shirasaki, Okinoshima city, Oki county, Shimane prefecture
• Volcanic rocks
• Pleistocene (0.55 Ma, K-Ar)

• Sedimentary facies: Lava plateau
• Sedimentary facies: Pyroclastic cone, Lava flow
• Sedimentary facies (Bottom): Tuff ring
• Lithofacies (Top): Scoira cones (3 cones)
• Lithofacies (Upper): Olivine basalt lava
• Lithofacies (Middle): Scoria
• Lithofacies (Lower): Alkaline olivine basalt aa lava
• Lithofacies (Bottom): Scoria, Base surge deposits
• Lithofacies (Basal): Olivine basalt aa lava
• Sedimentary structures (Bottom): Low-angle cross stratification, Parallel stratification, Bomb sag structure

• Thickness: 150 m or thicker
• Thickness (Middle): 30 m
• Thickness (Lower): 50 - 60 m
• Thickness (Bottom): 70 m or thicker
• Thickness (Basal): 35 m or thicker
• Upper limit: Unconformity (Higher III Terrace Deposits)
• Lower limit: Unconformity (Omosu Formation, Kumi Formation)

• Distribution: Cape Ugaizaki - Cape Shirasaki - Misaki town - Imazu - Takai, Okinoshima city, Oki county, Shimane pref.

• Yamauchi et al. (2009) Geology of the Saigo District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 118p. (in Japanese with English abstract 3p.)