VNU Journal of Science Earth and Environmental Sciences, Vol 36, No 3 (2020) 55 69 55 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[.]