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Tenkadaiyama Rhyolite (Hyogo prefecture, 1961), Sato et al., 2016

Invalid synonym: Tenkadaiyama Group

• Type locality: Mount Tenkadaiyama, Aioi city, Hyogo prefecture
• Coherent formation
• Cretaceous - Paleogene (82.2 Ma, U-Pb; 69.9 Ma, Rb-Sr)
• Intruded by: Granodiorite dikes, Andesite dikes, Rhyolite dikes
• Intruded in: Gomyo Formation, Murotsu Formation, Ako Formation, Wakasano Formation

• Lithofacies: Rhyolite lava, Pyroclastic rocks
• Sedimentary structures: Flow struture

• Distribution: Mount Tenkadaiyama - Nishigomyo - Kazurashima island - Ryusen town, Aioi city, Hyogo pref.; Bizen city, Hyogo pref.; Himeji city, Hyogo pref.

• Sato et al. (2016) Geology of the Banshu-Ako District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 68p. (in Japanese with English abstract 3p.)
• Igi and Wadatsumi (1980) Geology of the Kamigori District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 74p. (in Japanese with English abstract 4p.)