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Kono Formation (Matsui, 1943)

• Type locality: Hijiegawa river, Biroku, Tado town, Kuwana city, Mie prefecture
• Coherent formation
• Fluvio-lacustrine basin including Lake Tokai
• Pliocene

• Sedimentary facies: Fluvial, Lacustrine
• Sedimentary facies: Meandering river, Marsh
• Lithofacies: Clay, Sands
• Lithofacies (Minor): Silt, Gravels
• Lithofacies (Lower, Minor): Lignite
• Paleocurrent: to South

• Thickness: 20 - 140 m
• Upper limit: Transitional (Ichinohara Formation, Tashidagawa Formation, Kuragari Formation)
• Lower limit: Interfingered (Biroku Formation), Abut unconformity (Hokusenanno Formation)

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

• Distribution: Hijiegawa river, Biroku, Tado town, Kuwana city, Mie pref.; Tagirigawa river - Higashikaino - Ishigure, Inabe city, Mie pref.
• Fossils (Plants): Acer mono, Alnus sp., Benzoin sp., Carex sp., Carpinoides japonica, Carpinus carpinoides, Elaegnus akashiensis, Fagus hayatae, Fagus japonica, Glyptostrobus pensilis, Hydrangla sp., Juglans cinerea, Liquidamber formosana, Metasequoia disticha, Myrica sp., Nyssa pachycarda, Paliurus nipponica, Phyllostachys sp., Quercus dentata, Quercus cf. stenophylla, Quercus variabilis, Rosa sp., Salix cf. gacilistyla, Sequoia sempervirens, Sorbus sp., Stewartia monadelpha, Styrax microcarpe, Trapa macropoda, Wistaria eignata, Zelkova ungeri
• Fossils (Pollen): Carya sp., Liquidambar sp., Nyssa sp.
• Tephra: Higashikaino Tephra, Tsuzumi Tephra, Kawahara Tephra, Ichinohara Tephra, Tado Tephra, Maeyama Tephra, Biroku I Tephra, Biroku II Tephra, Biroku III Tephra, Higashitani Tephra, Minamidani I Tephra, Minamidani II Tephra, Ninose Tephra, Heizu Tephra, Fukayabe Tephra

• Yoshida et al. (1991) Geology of the Kuwana District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 154p. (in Japanese with English abstract 5p.)
• Yoshida (1984) Geology of the Yokkaichi District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 81p. (in Japanese with English abstract 5p.)
• Takada et al. (1979) Geology of the Tsushima District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 56p. (in Japanese with English abstract 5p.)