Slope apron sandbodies spreading parallel to sedimentary slope,are asymetric mound shape along the section in the direction of dip, being steep towards lake shoreline while gently dipping basinward.

• 斜坡裙砂体平行于沉积斜坡展布,倾向剖面为不对称的丘形,向岸一侧陡倾,而向盆地一侧缓倾。