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Kiyosaki Sandstone Member

• Type locality: Kiyosaki, Ishinomaki city, Miyagi prefecture
• Coherent formation
• Late Jurassic, Tithonian

• Sedimentary facies: Terrestrial
• Lithofacies (Ky5): Shale, Siltstone
• Lithofacies (Ky4): Interbedded sandstone and shale
• Lithofacies (Ky3): Interbedded sandstone and shale
• Lithofacies (Ky3, Minor): Conglomerate
• Lithofacies (Ky2): Shale
• Lithofacies (Ky2, Minor): Sandstone
• Lithofacies (Ky1): Sandstone
• Lithofacies (Ky1, Minor): Shale, Felsic tuff
• Sedimentary structures (Ky5): Channel structures
• Sedimentary structures (Ky3): Load cast, Cross stratification
• Sedimentary structures (Ky2): Slump structure
• Sedimentary structures (Ky1): Cross stratification

• Thickness: 640 m

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

• Distribution: Kiyosaki - Atsuizaki - Ishi pass - Ota pass - Aji island, Ishinomaki city, Miyagi pref.
• Fossils (Tetori-type flora): Cladophlebis denticulata, Cladophlebis cf. lobifolia, Cupressinocladus koyatoriensis, Czekanowskia rigida, Frenelopsis cf. hoheneggari, Nilssonia orientalis, Nilssonia schaumburgensis, Nilssonia schaumburgensis var. parvula, Onychiopsis elongata, Otozamites sewardi, Podozamites lanceolatus, Ptilophyllum pecten, Zamiophyllum sp.

• Takizawa et al. (1987) Geology of the Yoriiso District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 74p. (in Japanese with English abstract 5p.)
• Takizawa et al. (1974) Geology of the Kinkasan District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 62p. (in Japanese with English abstract 5p.)