A: western cliff of the Glandasse plateau overhanging the Drôme River valley, showing the overall progradation to the south of the Urgonian calcarenite, and the abrupt truncations of the clinoforms by slump scars. Bi2 to Bi6 units follow the lithostratigraphic scheme of Arnaud (1981); MFG, lower Barremian Marnes de Fontaine Graillère; RP, termination of the lowermost Barremian Rochers du Parquet calcarenite unit; FC, Cléry fault; FJ, Jasneuf fault; B: location map showing the camera points for pictures A and C; C: disrupted megablocks of slope carbonates abandoned on the glide surface of the slump scar described by Bievre & Quesne (2004).