... oxbow,coastalswampandpeatfacies in the directionfrom the plain to the modern coastline. The fourth sequenceconsists of swampclay,lagoonalclayandpeat. In the directiontowards the center of the plain,each of thesesequencesappearsmoreandmoreparticular ... environments suchas marine, continental environment ortransitionalenvironment. In the Red River Delta area, the facial association rule is examined in _______ *Correspondingauthor.Tel.:84‐4‐5587059.E‐mail:lannt@vnu.edu.vnthree ... the water leveldecreaseswith the distancefrom the river. Therefore, this aquifer is mainlyrechargedby the rain water and surface water, especially in some big rivers in the Red River system. The ...