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Shimanohoshi Formation Mizuno et al., 1994

• Type locality: Shimanohoshi town - Mount Murogamiyama, Gotsu city, Shimane prefecture
• Coherent formation
• Pliocene - middle Pleistocene
• Interfingered: Mikusu Block-and-Ash Flow Deposits, Senyama Volcanic Products, Oe-Takayama Lava

• Sedimentary facies: Braided river\
• Lithofacies (Upper): Sandy mud
• Lithofacies (Middle): Sands
• Lithofacies (Lower): Gravels
• Sedimentary structures (Middle): Wavy stratification, Cross stratification, Up-ward fining
• Paleocurrent: to North - North-northeast

• Thickness (Upper): A few dozen cm
• Thickness (Middle): 2 m or thinner
• Thickness (Lower): ca. 5 m
• Upper limit: Unconformity (Murogamiyama Formation)
• Lower limit: Bottom of Yataki Ash Flow Deposits
• Lower limit: Unconformity (Tsunozu Formation)

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

• Distribution: Shimanohoshi town - Mount Murogamiyama - Mount Shimanohoshiyama - Kanzui, Gotsu city, Shimane pref.
• Tephra: Yataki Ash Flow Deposits

• Kano et al. (2001) Geology of the Yunotsu and Gotsu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 129p. (in Japanese with English abstract 5p.)
• Kano et al. (1998) Geology of the Iwami-Oda and Oura District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 118p. (in Japanese with English abstract 5p.)