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Tenkawa Subgroup

Invalid synonym: Obamine Group, Tentsuji Group

• Accretionary complex
• Late Cretaceous, Cenomanian (Radiolarians)
• Intruded by: Kose Body, Shirakawahaccho Body

• Sedimentary facies: Marine
• Lithofacies: Sandstone, Shale
• Lithofacies (Minor): Greenstones, Chert, Felsic tuff

• Upper limit: Thrust fault (Osako Tectonic Line, Wasabidani Complex), Thrust fault (Nishiyoshino Subgroup)
• Lower limit: Thrust fault (Tonono Formation)

------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown

• Distribution: Nara prefecture

• Shiida et al. (1989) Geology of the Sanjogatake District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 100p. (in Japanese with English abstract 5p.)