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Miyanotani composite dike

• Ring dike associated with Odai caldera
• Intrusive rocks
• Miocene
• Intruded in: Wasabidani Complex

• Lithofacies (Margin, 0.8 - 2 m): Basaltic andesite
• Lithofacies (Center, 6 - 10 m): Rhyolite

• Width: 6.8 - 12 m
• Distribution: along boundary fault of northern margin of the caldera

• Distribution: Miyanotani valley, Hachisu river, Matsusaka city, Mie pref.

• Takashima et al. (2010) Jour. Geol. Soc. Japan, vol.116, no.9, pp.496-509 DOI