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. 2013 Oct 13;75(11):762. doi: 10.1007/s00445-013-0762-x

Fig. 12.

Fig. 12

Interpretative sketch of a, b, c, and d, the formation of elongate DBs by successive flows, and e: regressive climbing dune. Currents are represented with grains only, deposits with grains, and background colors. a Granular phases deposit lensmBLA layers; b dilute phase deposits xsbAL bedset; c dilute phase with traction suppressed by high basal concentration deposits mbAL bedset; d granular phase deposits lensmBLA layer. e Regressive climbing dunes are formed by the differential exposition between stoss and lee faces, in turns driven by the mean particle trajectories that have a fall and a lateral component, together with little traction after initial landing

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