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Aimata Intrusive Rocks Matsuda, 2014

Invalid synonym: Ojirogawa Body, Aimatagawa Body

• Intrusive rocks
• Related to igneous activities of Aimata Formation and Minobu Formation
• late Miocene (7.7 Ma, K-Ar)
• Intruded in: Kuonji Formation, Aimata Formation, Gotenyama Formation, Takatori Volcaniclastic Rocks, Sandstone and Mudstone Member

• Sedimentary facies: Sheet dykes
• Lithofacies: Hornblende diorite, Andesite
• Lithofacies (Minor): Quartz diorite

• Distribution (Width, a sheet): Several - Several hundreds m
• Distribution (East - West): 0..5 - 3 km
• Distribution (South - North): ca. 11 km

• Distribution: Ojiro river - Aimata river - Minobu, Minobu city, Minamikoma county, Yamanashi pref.; Mount Minobu - Mount Takatori - Mount Gotenyama, Nanbu 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.)