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Oro Rhyolite

• Volcanic rocks
• Miocene

• Sedimentary facies: Volcanic neck or Lava dome
• Lithofacies: Rhyolite lava
• Sedimentary structures: Platy joint, Columnar joint

• Distribution: Oro, Tottori city, Tottori pref.

• Murayama et al. (1963) Tottorihokubu & Tottorinambu, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 66p. (in Japanese with English abstract 8p.)