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Shirahone Complex Otsuka, 1988

Invalid synonym: Shirahone Belt, Shirahone Formation

• Type locality: Yukawa - Hirukubo tunnel, Azumi, Matsumoto, Nagano prefecture
• Accretionary complex
• Deposition (Limestone): Permian (Fusulinids)
• Deposition (Chert): Permian (Radiolarians)
• Correlation: Funabuseyama Formation

• Sedimentary facies: Marine
• Exotic blocks (Crusts): Greenstones, Limestone, Chert, Sandstone, Gravel-bearing shale

• Upper limit: Thrust fault
• Lower limit: Thrust fault (Sawando Complex)

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

• Distribution: Shirahone - Suzuran - Yukawa - Hirukubo, Azumi, Matsumoto city, Nagano pref.
• Fossils (Limestone): Calcareous algae (Mizzia velebitana), Corals (Yatsengia aff. ibukiensis)
• Fossils (Limestone, Fusulinids): Cancellina cf. nipponica, Chusenella sp., Minoella nipponica, Misellina sp., Neoschwagerina simplex, Parafusulina ambigua, Parafusulina japonica, Parafusulina kaerimizensis, Parafusulina nakamigawai, Pseudodoliolina ozawai, Pseudofusulina kraffti, Schubertella sp., Verbeekina cf. verbeeki, Yangchienia compressa
• Fossils (Chert): Conodonts
• Fossils (Chert, Radiolarians): Follicucullus scholasticus, Pseudoalbaillella sp.

• Yamakita and Otoh (2000) Structural Geology, vol.44, pp.5-32
• Nakano et al. (1995) Geology of the Norikuradake District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 139p. (in Japanese with English abstract 4p.)