New Archaeological Discoveries in the Geological Formations and Heritages Along the Ba River Ancient Valley
VNU Journal of Science: Earth and Environmental Sciences, Vol. 36, No. 3 (2020) 55-69 Original Article New Archaeological Discoveries in The Geological Formations and Heritages along the Ba River Ancient Valley La The Phuc1, Luong Thi Tuat1, Bui Van Thom2, Nguyen Khac Su3, Vu Tien Duc4, Bui Quang Anh1, Nguyen Trung Minh1, Dang Thi Hai Yen1 1Vietnam National Museum of Nature, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Ha Noi, Vietnam 2Institute of Geological Sciences, Vietnam Academy of Science and Technology, 84 Chua Lang, Dong Da, Hanoi, Vietnam 3Vietnam Archaeological Association, 61 Phan Chu Trinh, Hoan Kiem, Hanoi, Vietnam 4Institute of Social Sciences of Central Highlands, 1A Nguyen Van Linh, Buon Ma Thuot, Dak Lak, Vietnam Received 28 April 2020 Revised 08 September 2020; Accepted 14 September 2020 Abstract: In dry season of 2019, a series of new mix-heritages containing both of natural/geological and prehistoric archaeological values were discovered along the Ba river ancient valley by the field survey team of the project TN17/T06. The archaeological relics were uncovered right in the geological heritage sites such as: waterfalls, fossil sites, ancient terraces, and low mountain slopes along the Ba river ancient valley, which belong to eluvial, deluvial, proluvial and alluvial formations of Pleistocene age. Hundreds of stone tools, including dozens of petrified wood tools were collected, such as: uni-facial and bi-facial tools, end-chooper, side-chopper, scraper, spearhead tool, flake and core tools, etc. The materials of the tools were made of quartz, quartzite, siliceous stone, opal- chalcedony, petrified wood and basalt, which were recognized as geological heritages (A type: Paleontology; D type: Rock; F type: Minerals, according to the classification in the Circular 50/2017-TT-BTNMT of MONRE) of the heritage region.
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