Fig. 8

a Topographic profile (projection on red profile line of Fig. 1a, b of the main chain of the Jura Mountains between the Mont Racine W of Neuchâtel and Dreierberg NE of Aarau, showing highest mountain crests, top of LGM ice (based on Schlüchter, 2009), Quaternary erosion level (Swisstopo), pre-LGM glacial boulders (blue squares) with exposure ages (Graf et al., 2015, this work) and pre-LGM till (blue diamonds). Topographic profiles with meteorites are shown in red, with glacially transported meteorites as red symbols. b Detail of Fig. 7a showing the area of the Chasseral, Mont Sujet and Twannberg plateau. Altitude of the highest occurrence of Alpine material is increased at the eastern and western flank of the Mont Sujet and at the western end of the Chasseral chain