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Yamasaki Formation (Kobe and Hirokawa, 1963) Ishiga, 1986
Invalid synonym: Tatsuno Group, Mikazuki Formation, Middle Formation of Nakagaichi Formation, lower Shingu Formation
UT-1 Sub-belt, partly UT-2 Sub-belt
- Sedimentary facies: Marine
- Lithofacies: Sandstone, Shale
- Lithofacies (Minor): Chert, Greenstones
- Sedimentary structures: Foliation
- Ultra-Tamba Belt (Shiso - Sayo, Hyogo pref.)
- /--/--/--/--/-
- Yamasaki Formation
- /--/--/--/--/-
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Yamasaki town - Sayo town - Ichinomiya town, Shiso city, Hyogo pref.; Tatsuno city - Aioi city, Hyogo pref.; Yasutomi town - Yumesaki town, Himeji city, Hyogo pref.; Okawachi, Kamikawa city, Kanzaki county, Hyogo pref.
- Takemura et al. (2009) Jour. Geol. Soc. Japan, vol.115, Supplement, pp.123-137 DOI
- Kobayashi (2008) Jour. Geol. Soc. Japan, vol.114, no.2, pp.80-87 DOI
- Yamamoto et al. (2002) Geology of the Yamasaki District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 48p. (in Japanese with English abstract 4p.)
- Kambe and Hirokawa (1963) Sayo, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 29p. (in Japanese with English abstract 8p.)