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Shiota Body Ishihara, 1967

Invalid synonym: Hongo Quartz Porphyry

• Volcanic rocks
• Paleocene (66 Ma, Rb-Sr)
• Correlation: Kamishima Volcanic Rocks
• Intruded by: Rengeji Granodiorite, Shimokuno Granite

• Lithofacies: Hornfels
• Lithofacies (Protolith): Biotite-bearing rhyolite welded tuff
• Lithofacies (Protolith): Lapilli tuff

• Distribution (East - West): ca. 3 km
• Distribution (South - North): ca. 2 km
• Upper limit: Unconformity (Kawai Formation, Kuri Formation, Hata Formation)
• Lower limit: Unconformity (Kanenari Metamorphic Rocks)

• Distribution: Seida - Shiota - Shinobuchi, Daito town, Unnan city, Shimane pref.

• 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.)