... facies in the early of the cycles and ended by paleo marine clayish mud, sandy silt facies (Tran Nghi, 19 91a, 19 91b, 19 92). Figure 1. Deltaic progradation sediment in the age of N2-Q 1 1 in ... continental shelf of Vietnam VNU. JOURNAL OF SCIENCE, Earth sciences, T.xxIII, N0 1, 2007 1 QUATERNARY GEOLOGICAL MAP OF THE CONTINENTAL SHELF OF VIETNAM AT THE SCALE OF 1: 1,000,000 Tran ... continental of Vietnam (line SVOR-93 -11 0) VNU. JOURNAL OF SCIENCE, Earth sciences, T.xxIII, N0 1, 2007 10 Quaternary geological map of the continental shelf of Vietnam VNU. Journal of Science,...