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Minamioshimizu Formation Nakajima et al., 2008

Invalid synonym: Iwaya Formation, Takashihara Formation (Eastern part)

• Type locality: Minamioshimizu town, Toyohashi city, Aichi prefecture
• Coherent formation
• Pleistocene (MIS 7 - 5)

• Sedimentary facies (Upper): Fluvial
• Sedimentary facies (Middle): Mudflat near the river mouth
• Sedimentary facies (Lower): Fluvial
• Sedimentary facies: Terrace deposit
• Lithofacies: Gravels
• Lithofacies (Minor): Mud, Sands

• Thickness: ca. 2 - 20 m
• Upper limit: Unconformity (Youger Fan Deposits)
• Lower limit: Unconformity (Atsumi Group)

• Distribution: Minamioshimizu town - Wakamatsu town - Nishimiyuki town - Iwaya town - Imure town - Tenpaku town - Higashitakada town - Mitsuya town - Hosei town - Noyoridai - Oitsu town - Ueta town, Toyohashi city, Aichi pref.; Shinjohara, Kosai city, Shizuoka pref.
• Fossils: Pipe rocks, Plant roots

• Nakashima et al. (2008) Geology of the Toyohashi and Tahara District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 113p. (in Japanese with English abstract 3p.)