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Fuganji Mudstone Member Tottori prefecture, 1966

• Coherent formation
• Miocene
• Correlation: Yubunegawa Black Shale Member
• Intruded by: Fuchimi Quartz Diorite, Basalt dikes

• Sedimentary facies: Marine
• Sedimentary facies (Upper): Deep marine
• Sedimentary facies (Lower): Shallow marine
• Lithofacies: Mudstone
• Lithofacies (Lower, Minor): Interbedded sandstone and mudstone
• Lithofacies (Basal, Minor): Conglomerate

• Thickness: ca. 200 - 600 m or thicker
• Upper limit: Bottom of the horizon intercalating many pyroclastic rock beds
• Upper limit: Conformity (Oda Andesite Member, Aragane Pyroclastic Member), Unconformity (Teragi Group, Inabayama Basalt, Amedaki Gravel Bed, Inabayama Gravel Bed)
• Lower limit: The boundary between andesite lava/tuff breccia and mudstone
• Lower limit: Conformity (Moroga Conglomerate Member, Kawabara Volcanic Member)

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

• Distribution: Kango - Fuganji - Mount Tebanashiyama - Kihara - Mount Inabayama - Takaoka - Iwakura - Miyashita, Tottori city, Tottori pref.; Tsukuyone - Moroga, Wakasa city, Yazu county, Tottori pref.; Fuchimi, Yazu city, Yazu county, Tottori pref.
• Fossils: Bathynomus sp., Lintia sp., Cantao? yamanai
• Fossils (Fishes): family Clupeidae, Engraulis sp., Konosirus punctatus, Lateolabrax sp., Limanda sp.
• Fossils (Shellfishes): Acila vigilia, Amusium sp., Bathybembix sp., Bittium horinjiense, Chlamys crassivenia, Chlamys miyatokoensis, Chlamys nisataiensis, Clementia sp., Ctenamussium sp., Dentalium yokoyamai, Doliocassis japonica, Flabellum sp., Glycymeris sp., Lima cf. yagenensis, Limatula subauriculata, Limatula subauricurata blanda, Limopsis sp., Lucinoma actilineata, Lucinoma otukai, Macoma sejugata, Natica? sp., Ostrea sp., Palliolum peckhami, Patinopecten kagamianus nimaensis, Patinopecten cf. kimurai, Patinopecten nakajimai, Pecten aff. randolphi, Portlandia tokunagai, Propeamussium tateiwai, Ringuhdrilla sp., Schichiheia japonica, Solemya tokunagai, Vicarya callosa japonica, Vicaryella sp., Yoldia thraciaeformis
• Fossils (Plants): Carpinus cf. miocenica, Castanea sp., Cladrastis aniensis, Comptonia naumanni, Glyptostrobus sp., Metasequoia occidentalis, Platycarya sp., Pinus sp., Sapindus miocenica, Ulmus protojaponica
• Fossils: Foraminifera

• Uemura et al. (1979) Geology of the Wakasa District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 91p. (in Japanese with English abstract 8p.)