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Odake Sheet

• Accretionary complex
• Deposition (Limestone): middle Eocene - early Oligocene
• Deposition (Chert): middle Eocene, Oligocene - early Miocene
• Deposition (Basalt): Eocene, early Miocene
• Deposition (Clastic rocks): early Miocene
• Accretion: ealy Miocene (20 Ma)
• Correlation: Kamiochiai Unit
• 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, Gravel-bearing mudstone, Sandstone
• Lithofacies (Upper, Minor): Andesite tuff breccia
• Lithofacies (Middle): Limestone, Chert
• Lithofacies (Lower): Basalt lava, Pillow lava, Calcareous tuffaceous limestone
• Sedimentary structures (Upper): Current marks, Ripple marks
• Exotic blocks (Upper, Crusts): Basalt, Basaltic volcaniclastic rocks, Limestone, Micritic limestone
• Paleocurrent: West to East

• Thickness: 4,000 m
• Thickness (Upper): 2,500 m or thicker
• Thickness (Middle): 100 - 250 m
• Thickness (Lower): ca. 500 m
• Distribution (Width): 8 km
• Distribution (Length): ca. 9 km

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

• Distribution: Nishigochi river - Nakagochi river - Ashikubo river, Aoi ward, Shizuoka city, Shizuoka pref.
• Fossils (Shellfishes): Lima sameshimai, Minoria sp., Trapezium sp.
• Fossils (Radiolarians): Actinommidae, Amphisphaera minor, Bathropyramis sp., Carpocanistrum sp., Clathrocanium sp., Dorcadospyris sp., Histriastrum sp., Lithelius? sp., Lychnocanomma cf. bellum, Periphaena? sp., Sethocyrtis? sp., Spongodiscus spp., Spongurus spp., Stichocorys? sp., Stylatractus? sp., Stylodictya sp., Stylosphaera? sp., Theocampe? sp., Theocotyle? sp., Theocyrtis tuberosa, Thyrsocyrtis? sp.
• Fossils (Exotic blocks, Radiolarians): Actinomma? sp., Actinommidae, Amphisphaera minor, Carpocanistrum sp., Dictyoprora cf. amphora, Liriospyris? sp., Lithelius? sp., Periphaena? sp., Podocyrtis helenae, Podocyrtis cf. sinuosa. Spongodiscus spp., Spongurus sp., Stylosphaera? sp., Theocampe? sp., Thyrsocyrtis? sp.
• Fossils (Limestone): Bryozoans, Calcareous algae, Shellfishes, Foraminifera, Radiolarians
• Fossils (Exotic blocks, Chert): Radiolarians
• Fossils (Exotic blocks, Limestone): Foraminifera

• 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.)