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Aikawa Group

• Coherent formation
• Upper: Trough-fill sediments
• Main: Oceanic arc of Paleo-Izu-Bonin arc
• middle - late Miocene

• Sedimentary facies: Marine
• Lithofacies (Upper): Clastic rocks
• Lithofacies: Mafic volcaniclastic rocks, Lavas
• Lithofacies (Minor): Felsic tuff

• Distribution: Kanagawa pref.

• Matsubara and Amano (2010) Jour. Geol. Soc. Japan, vol.116, no.3, pp.134-150 DOI