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Matsue Formation

• Coherent formation
• middle - late Miocene (12 - 11 Ma)

• Sedimentary facies: Marine, Brackish
• Sedimentary facies: Inner bay, Shallow lakes
• Lithofacies: Sandstone, Mudstone
• Lithofacies (Minor): Alkali basalt, Trachyte, Lignite

• Thickness: 350 m
• Upper limit: Unconformity (Wakurayama Dacite)
• Lower limit: Partial unconformity (Furue Formation)

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

• Distribution: Shimane peninsula - Izumo basin, Shimane pref.

• Kano (2018) Jour. Geol. Soc. Japan, vol.124, no.10, pp.781-803 DOI
• Sawada et al. (2013) Jour. Geol. Soc. Japan, vol.119, no.4, pp.267-284 DOI
• Matsuura et al. (2013) Jour. Geol. Soc. Japan, vol.119, no.4, pp.312-320 DOI
• Sato et al. (2011) Jour. Geol. Soc. Japan, vol.117, no.8, pp.439-450 DOI
• Tanaka and Nomura (2009) Jour. Geol. Soc. Japan, vol.115, no.6, pp.261-265 DOI
• Utada (2007) Jour. Geol. Soc. Japan, vol.113, no.8, pp.438-453 DOI