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Tone Complex (Tsukano and Ito, 1965) Nakae et al., 2013

Invalid name] Tone Formation, Yogo Formation, Sugihashi Formation, Shizugatake Formation

• Type locality: Tone, Tsuruga city, Fukui prefecture
• Accretionary complex
• Deposition (Mafic rocks): Carboniferous
• Deposition (Limestone): Carboniferous - early Permian
• Deposition (Mudstone): Early - Middle Jurassic (Radiolarians)
• Deposition (Felsic tuff): Middle Jurassic
• Deposition (Siliceous mudstone): Middle Jurassic
• Correlation: Funafuseyama Unit, Kuze Unit
• Intruded by: Kojaku Body

• Sedimentary facies: Marine
• Lithofacies: Mélange facies, Interbedded sandstone and mudstone
• Lithofacies: Hornfels
• Matrix: Mudstone
• Exotic blocks (Crusts): Basalt, Dolerite, Chert, Limestone, Sandstone

• Thickness: ca. 200 - 3,300 m
• Upper limit: Thrust fault (Sakauchi Complex, Shinjo Complex, Obanashi Complex, Suganami Complex)
• Lower limit: Thrust fault (Arihara Complex)

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

• Distribution: Tone - Mount Yanagaseyama - Ogo - Sosogi - Asoguchi - Mount Nosakadake, Tsuruga city, Fukui pref.; Tochinokitoge pass, Minamiechizen city, Nanjo county, Fukui pref.; Mount Akasakayama - Mount Otaniyama, Mihama city, Mikata county, Fukui pref.; Yogo - Kinomoto - Nishiazai - Mount Shizugatake , Nagahama city, Shiga pref.
• Fossils (Fusulinids): Fusulina biconica, Pseudoschwagerina orientale, Triticites kawanoboriensis, Triticites cf. opparensis, Triticites cf. plummeri, Triticites cf. yayamadakensis
• Fossils (Radiolarians): Archaeodictyomitra gifuensis, Archaeodictyomitra rigida Archaeodictyomitra suzukii, Archicapsa pachyderma, Eucyrtidiellum sp., Hsuum cf. hisuikyoense, Hsuum mirabundum, Hsuum rosebudense, Lupherium sp., Nassallaria gen. et sp. indet., Pantanellium sp., Parahsuum sp., Parvicingula sp., Saitoum levium, Spongocapsula sp., Stichocapsa convexa, Stichocapsa japonica, Stichocapsa cf. tegiminis, Tricolocapsa? fusiformis, Unuma sp., Williriedellum? sp., Zartus sp.

• Nakae et al. (2013) Geology of the Imajo and Takenami District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 110p. (in Japanese with English abstract 4p.)
• Nakae et al. (2002) Geology of the Nishizu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 90p. (in Japanese with English abstract 3p.)
• Nakae et al. (2001) Geology of the Chikubu Shima District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 71p. (in Japanese with English abstract 5p.)
• Kurimoto et al. (1999) Geology of the Tsuruga District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 73p. (in Japanese with English abstract 3p.)