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Northern marginal facies

• Coherent formation
• Izumi sedimentary basin
• Forearc basin associated with strike-slip fault related to Median Tectonic Line
• Cretaceous
• Contemporaneous heterotopic facies: Main facies

• Sedimentary facies: Northern margin of the sedimentary basin
• Sedimentary facies: non-Turbidite
• Lithofacies: Conglomerate, Sandstone, Mudstone

• Lower limit: Unconformity (Sennan Rhyolites, Takijiri Adamellite, Ryoke Granitoids), Fault (Sennan Rhyolites)

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

• Distribution: Izumi mountains, Osaka pref.; Manno city, Nakatado county - Higashikagawa city - Sanuki city, Kagawa pref.

• Seike et al. (2013) Jour. Geol. Soc. Japan, vol.119, no.12, pp.759-775 DOI
• Kikuchi and Kotake (2013) Jour. Geol. Soc. Japan, vol.119, no.9, pp.613-629 DOI
• Seike and Hirano (2013) Jour. Geol. Soc. Japan, vol.119, no.6, pp.397-409 DOI
• Yoshikawa et al. (2011) Jour. Geol. Soc. Japan, vol.117, no.9, pp.523-537 DOI
• Noda et al. (2010) Jour. Geol. Soc. Japan, vol.116, no.2, pp.99-113 DOI
• Makimoto et al. (2004) Geology of the Kokawa District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 89p. (in Japanese with English abstract 4p.)
• Miyata et al. (1993) Geology of the Wakayama and Ozaki District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 68p. (in Japanese with English abstract 4p.)
• Itihara et al. (1986) Geology of the Kishiwada District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 148p. (in Japanese with English abstract 7p.)