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Arihara Complex Kurimoto et al., 1999

• Type locality: Arihara - Mount Norikuradake, Makino town, Takashima city, Shiga prefecture
• Accretionary complex
• Deposition (Limestone): middle Permian (Fusulinids)
• Deposition (Chert): Triassic - Middle Jurassic
• Deposition (Siliceous mudstone): Middle Jurassic (Radiolarians)
• Deposition (Mudstone): Middle - Late Jurassic
• Middle Jurassic
• Correlation: Shinjo Complex, Funafuseyama Unit, Sakauchi Complex, Mukugawa Complex, Nabi Unit
• Intruded by: Kojaku Body

• Sedimentary facies: Marine
• Lithofacies: Coherent facies (Chert-clastic sequence), Broken facies
• Lithofacies (Minor): Mélange facies
• Matrix (Minor): Mudstone
• Exotic blocks (Minor, Crusts, Slabs): Basalt lava, Limestone, Chert, Sandstone
• Lithofacies (Upper): Sandstone, Interbedded sandstone and shale
• Lithofacies (Middle): Shale
• Lithofacies (Lower): Chert

• Thickness: 2,500 m or thicker
• Thickness (Upper): 500 - 1,000 m or thicker
• Thickness (Middle): 100 - 300 m
• Thickness (Lower): ca. 100 m
• Upper limit: Unconformity (Akatsukikaido Member), Thrust fault (Tone Complex, Kaizu Greenstone Body)

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

• Distribution: Arihara - Mount Norikuradake, Makino town, Takashima city, Shiga pref.; Yamanaka - Oura - Tsukide, Nishiazai town, Nagahama city, Shiga pref.; Lake Yogo, Nagahama city, Shiga pref.; Akao, Kinomoto town, Nagahama city, Shiga pref.; Makino - Kaizu, Makino town, Nagahama city, Shiga pref.; Nishino, Takatsuki town, Nagahama city, Shiga pref.; Sanami, Imazu town, Takashima city, Shiga pref.
• Fossils (Limestone, Fusulinids): Parafusulina sp., Pseudofusulina sp.
• Fossils (Radiolarians): Archaeodictyomitra cf. suzukii, Dictyomitrella? sp., Eucyrtidiellum unumaense, Hsuum sp., Parvicingula sp.

• 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.)