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Tawarazawa Sheet

• Accretionary complex
• Deposition (Limestone): middle Eocene - early Oligocene
• Deposition (Chert): Oligocene - early Miocene
• Deposition (Basalt): Eocene, early Miocene
• Deposition (Mudstone): early Miocene
• Accretion: ealy Miocene (20 Ma)
• Intruded by: Picrite

• Sedimentary facies: Marine
• Sedimentary facies: Oceanic plate accreted to trench slope at the continental side, Trench-fill deposit
• Lithofacies (Upper): Interbedded sandstone and mudstone, Mudstone
• Lithofacies (Upper, Minor): Gravel-bearing mudstone, Conglomerate, Acidic tuff, Tuffaceous shale, Chert
• Lithofacies (Middle): Limestone, Chert
• Lithofacies (Lower): Basalt lava, Calcareous tuffaceous limestone
• Exotic blocks (Upper, Crusts): Limestone, Calcareous sandstone, Micritic limestone, Chert, Basalt lava

• Thickness (Upper): 1,000 m or thicker
• Thickness (Lower - Middle): 150 - 250 m
• Upper limit: Unconformity (Mikasa Group)

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

• Distribution: Yokoyama - kuchigumi, Ashikubo - Uchimaki - Kuju - Hanma - Tawarazawa - Shinma, Aoi ward, Shizuoka city, Shizuoka pref.
• Fossils (Radiolarians): Actinommidae, Liriospyris? sp., Prunopyle cf. titan, Spongodiscus spp., Spongurus spp., Stichocorys? sp., Stylatractus? sp., Stylosphaera? sp.
• Fossils (Exotic blocks, Basalt): Radiolarians
• Fossils (Exotic blocks, Chert): Radiolarians

• Ozaki and Sugiyama (2018) Geology of the Minobu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 169p. (in Japanese with English abstract 7p.)
• Sugiyama and Matsuda (2014) Geology of the Nanbu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 134p. (in Japanese with English abstract 5p.)
• Sugiyama and Shimokawa (1990) Geology of the Shimizu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 103p. (in Japanese with English abstract 8p.)