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Tenguyama Group

• Accretionary complex
• Accretion: Cretaceous - Neogene
• Intruded by: Quartz diorite

• Sedimentary facies: Marine
• Lithofacies: Slate, Sandstone
• Lithofacies (Minor): Chert, Limestone, Conglomerate, Schalstein

• Thickness: 2,500 m

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

• Distribution: Mount Tengu - Mount Otokoyama, Kawakami city - Minamiaiki city, Minamisaku county, Nagano pref.
• Fossils (Limestone): Neoschwagerina sp., Yabeina sp.

• Kawachi (1974) Geology of the Tateshinayama District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 114p. (in Japanese with English abstract 5p.)