[ Top ] [ Japanese ]

Basal Member

• Accretionary complex
• Siliceous rocks on the ocean floor and at the lower slope of a seamount in the ocean.
• Deposition: Permian, middle - late Cisuralian (Radiolarians)

• Sedimentary facies: Marine
• Lithofacies (Upper): Chert
• Lithofacies (Lower): Basalt lava, Basaltic volcaniclastic rocks
• Lithofacies (Lower, Minor): Dolomite

• Thickness: 150 m or thicker

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

• Distribution: eastern Mount Funabuse, Gifu pref.
• Distribution: Shiraiwa valley, Kanzaki, Yamagata city, Gifu pref.
• Fossils (Radiolarians): Pseudoalbaillella lomentaria, Pseudoalbaillella sakmarensis, Pseudoalbaillella elegans, Pseudoalbaillella scalprata, Pseudoalbaillella chilensis

• Sano (2018) Jour. Geol. Soc. Japan, vol.124, no.6, pp.449-467 DOI
• Kuwahara et al. (2010) Jour. Geol. Soc. Japan, vol.116, no.3, pp.159-173 DOI