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Ryusenji Formation Okazaki Chishitsu Chosa Kenkyukai, 1973

Invalid synonym: Okazaki Formation

• Type locality: Lake Tatsumiike, Ryusenji town, Okazaki city, Aichi prefecture
• Coherent formation
• middle Miocene
• Correlation: Akeyo Formation

• Sedimentary facies: Marine
• Sedimentary facies: Transgression deposits
• Lithofacies: Conglomerate, Sandstone, Mudstone
• Lithofacies (Basal): Conglomerate

• Thickness: 1 - 5 m
• Lower limit: Unconformity (Ryoke Metamorphic Rocks)

• Distribution: Lake Tatsumiike, Ryusenji town, Okazaki city, Aichi pref.; Ikegane town, Okazaki city, Aichi pref.
• Fossils: Shellfishes, Trace fossils
• Fossils (Daijima-type flora): Plant leaves

• Miyazaki et al. (2008) Geology of the Goyu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 97p. (in Japanese with English abstract 3p.)