图1. 复合流底床形态相图与垂向序列^{[1,32,33,42,43]}
(a)复合流底床形态相图，实线由水槽实验结果绘出，短虚线为推测界线^[1]；(b)和(c)复合流沉积示意图^[42]；(d)、(e)和(f)特殊路径复合流沉积垂向序列^[43]，(d)为(a)中的路径1，(e)为(a)中的路径2，(f)为(a)中的路径3；NM:无颗粒移动，流体能量在主要颗粒移动门限之下，对应于鲍玛序列中的上平行层理段；CR:流水波痕；S2D:小型2D波痕；SS3D:对称小型3D波痕；AS3D:不对称小型3D波痕；SLR:对称大型3D波痕；ALR:不对称大型3D波痕；PB:平行层理（含准平行层理）；CFR:复合流层理；HCS:丘状交错层理（含似丘状交错层理）；MG: 块状层或粒序层；M: 泥质层（静水或近静水沉积）；Uw:振荡流速度；Uc:单向流速度

Fig.1. The bed-phase graph and vertical stratification sequences of combined-flow^{[1,32,33,42,43]}
(a)The bed-phase graph of combined-flow, solid line based on the flume experiment, short dashed line extend the experiment result^[1]; (b)and(c)Cartoon for deposition of combined flow^[42]; (d),(e) and (f) Vertical sequence of combined-flow for designation decelerating path^[43], which is the path one, two, and three in (a) respectively; NM:No Movement, the flow energy is below transport threshold of main grains, correspond to plane bed of Bouma “d” division; CR:Current Ripples; S2D:Small 2D (two:Dimension) Ripples; SS3D:Symmetrical Small 3D (three:Dimension) Ripples; AS3D:Asymmetrical Small 3D Ripples; SLR:Symmetrical Large 3D Ripples; ALR:Asymmetrical Large 3D Ripples; PB:Plane Bed (include quasi:Planar lamination); CFR:Combined-Flow Ripple laminations; HCS:Hummocky Cross Stratification (include hummocky: Like cross stratification); MG: Massive or Graded bed; M:Mud bed (in-stu or close to in-stu deposits); Uw:Oscillatory current velocity; Uc:Unidirectional current velocity