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Minobu Formation (Matsuda, 1958) Ozaki and Sugiyama, 2018

• Type locality: Hakii - Kamiyagisawa - Shimoyagisawa - Marutaki - Odafunehara, Minobu city, Minamikoma county, Yamanashi prefecture
• Coherent formation
• late Miocene (ca. 11 - 6 Ma)
• Contemporaneous heterotopic facies: Aimata Formation
• Contemporaneous heterotopic facies (Lower): upper Hara Formation
• Correlation (Upper): upper Manzawa Formation
• Correlation (Lower): Kuonji Formation
• Intruded by: Sanogawa Intrusive Rocks, Shishinsan Intrusive Rocks

• Sedimentary facies: Marine
• Depth of water (Upper): Middle - Lower bathyal
• Depth of water (Lower): Lower bathyal

• Thickness: ca. 2,500 - 2,700 m
• Lower limit: Top of the pyroclastic rock bed
• Lower limit: Conformity (Shimobe Formation)

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

• Distribution: Hakii - Kamiyagisawa - Shimoyagisawa - Marutaki - Odafunehara, Minobu city, Minamikoma county, Yamanashi pref.

• Ozaki and Sugiyama (2018) Geology of the Minobu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 169p. (in Japanese with English abstract 7p.)
• Sugiyama and Matsuda (2014) Geology of the Nanbu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 134p. (in Japanese with English abstract 5p.)