%0 Journal Article %A Johann Schnyder %A François Baudin %A Roger Jan Du Chêne %T The Oxfordian–Kimmeridgian transition in the Boulonnais (France) and the onset of organic-rich marine deposits in NW Europe: a climatic control? %J Comptes Rendus. Géoscience %D 2022 %P 107-124 %V 354 %N S3 %I Académie des sciences, Paris %R 10.5802/crgeos.173 %G en %F CRGEOS_2022__354_S3_107_0