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Kamishima Volcanic Rocks Kano et al., 1991

Invalid synonym: Kamishima Volcanics, A part of Iwami Rhyolites and Dacites

• Type locality: Kamishima town - Funatsu town, Izumo city, Shimane prefecture
• Volcanic rocks
• Paleocene (61.3 Ma; 66.0, 63.2 Ma, Rb-Sr)
• Correlation: Younger Inbi stage intrusive rocks, Yakumo Volcanic Rocks, Shiota Body, Tokaichi Body, Sugayatakadono Body
• Intruded by: Hiyodori Granite, Diorite dikes

• Lithofacies: Biotite rhyolite welded tuff
• Lithofacies (Minor): Dacite - Andesite welded tuff, Tuffaceous sandstone, Mudstone, Conglomerate

• Thickness: 500 m or thicker
• Distribution (East - West): ca. 9 km
• Distribution (South - North): ca. 3 km
• Upper limit: Unconformity (Kawai Formation)

------ Transitional, ~~~~~~ Intrusive, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown

• Distribution: Kamishima town - Funatsu town - Hiebara town, Izumo city, Shimane pref.; Shimokanbara - Atago - Igaya, Unnan city, Shimane pref.; Matsue city, Shimane pref.

• Kano (2018) Jour. Geol. Soc. Japan, vol.124, no.10, pp.781-803 DOI
• Nishida (2013) Jour. Geol. Soc. Japan, vol.119, no.4, pp.229-248 DOI
• Matsuura et al. (2005) Geology of the Kisuki District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 72p. (in Japanese with English abstract 5p.)
• Kano et al. (1991) Geology of the Imaichi District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 79p. (in Japanese with English abstract 5p.)