Formations of quaternary sedimentary marine sand in Thừa Thiên Huế province

and relevant geological legacies

Đặng Quốc Tiến, Đỗ Quang Thiên, Vũ Quang Lân

Research results emphasized the occurrences of three formations of Quaternary marine sand include dark-yellow sand, white sand and light-yellow sand at plain and coastal area of Thừa Thiên Huế province. Studied sand types were formed and distributed in many different terrains and distinguished themselves such color, grain size distribution, mineral composition, chemical composition and mechanical properties. Key source of studied sand material supply in research area come from rivers which advance to the sea in marine regression period and was carried back to the shore by coastal currents in marine transgression period. Relevant geological legacies linked to marine sand generations are diverse in valuable terms of geomorphology, landscape; Mineral resources; Science, education and aesthetics.

Keywords: Quaternary sediment, marine sand, infield sand, geological legacies, Thừa Thiên Huế province