Fig. 6From: Sedimentary architecture of shallow-water fan-delta front in a lacustrine basin: Sangyuan section of Lower Cretaceous Xiguayuan Formation, Luanping Basin, northeast ChinaSedimentary architecture of lobes. A Gravel lobes that are characterized by coarse-grained sediments and no grain-size trend; B gravel accretions comprising primarily of the C3 lithofacies overlain by S1, five normally-graded accretions are recognized in this gravel-sand lobe; C sand and gravel accretions, sand accretions generally contain cross- and parallel-laminated sandstones that are characterized by coarsening-upward trendsBack to article page