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Kanmon Group

Invalid synonym: Kenseki Group

• Type locality: Shimonoseki city, Yamaguchi prefecture
• Coherent formation
• Early Cretaceous (107 - 103 Ma, K-Ar)
• Correlation: Sasayama Group, Hayashitani Andesites?

• Sedimentary facies: Terrestrial, Lacustrine
• Sedimentary facies (Upper): Volcanic
• Sedimentary facies (Lower): Freshwater
• Lithofacies: Conglomerate, Sandstone, Mudstone, Andesite, Dacite

• Upper limit: Unconformity (Abu Group, Shunan Group, Ushiroyama Andesite Member)
• Lower limit: Unconformity (Higuchi Group, Toyora Group)

• Distribution: Shimonoseki city, Yamaguchi pref.; Osaba, Yamaguchi city, Yamaguchi pref.; Kitakyushu city - Miyawaka city, Fukuoka pref.
• Fossils (Lower): Estherids

• Aiyama and Kanaori (2019) Jour. Geol. Soc. Japan, vol.125, no.7, pp.555-570 DOI
• Imaoka et al. (2019) Jour. Geol. Soc. Japan, vol.125, no.7, pp.529-553 DOI
• Nagata et al. (2015) Jour. Geol. Soc. Japan, vol.121, no.2, pp.59-69 DOI
• Imaoka et al. (2012) Jour. Geol. Soc. Japan, vol.118, no.12, pp.782-800 DOI
• Ota et al. (2011) Jour. Geol. Soc. Japan, vol.117, no.5, pp.289-298 DOI
• Yoshida et al. (2009) Jour. Geol. Soc. Japan, vol.115, no.12, pp.643-657 DOI
• Kobayashi and Goto (2008) Jour. Geol. Soc. Japan, vol.114, no.11, pp.577-586 DOI
• Kishi et al. (2007) Jour. Geol. Soc. Japan, vol.113, no.9, pp.479-491 DOI