... Holocene evolution of the Song Hong (Red River) delta, Vietnam. In Stratigraphy of Quaternary system in deltas of Vietnam, pp. 101-108. Dpt of Geology and Minerals of VN. Hanoi. VNU Journal of ... from the land to the 25m water depth 2) Thickness of the Holocene deposits varies from 40 to 55 m, consist of silty sand and clay, coming from the Mekong river. A depositional balance in the ... in coastal zone of Mekong delta consist of 18 facies which are expressed on the map of the Holocene deposital environments (fig.7). However, in this paper ones important of them were only...