Bài viết trình bày những phát hiện khảo cổ mới này đã được các chuyên gia khảo cổ trong nước và quốc tế đánh giá rất cao, vì đã bổ sung nguồn tư liệu khảo cổ rất có giá trị để nghiên cứu giai đoạn tiền sử Đá cũ ở tỉnh Gia Lai, Tây Nguyên nói riêng và ở Việt Nam, Đông Nam Á nói chung, đồng thời nâng cao giá trị tổng thể về di sản của khu vực và cung cấp nguồn tài nguyên di sản kép (di sản thiên nhiên và di sản văn hóa) quý giá cho khai thác du lịch và phát triển bền vững kinh tế xã hội. | 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 1 Vietnam National Museum of Nature Vietnam Academy of Science and Technology VAST 18 Hoang Quoc Viet Ha Noi Vietnam 2 Institute of Geological Sciences VAST 84 Chua Lang Dong Da Hanoi Vietnam 3 Vietnam Archaeological Association VASS 61 Phan Chu Trinh Hoan Kiem Hanoi Vietnam 4 Institute of Social Sciences of Central Highlands VASS 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. The collected artifacts characterise technique and geometric shape types of Paleolithic age. The archaeological discoveried sites were highly evaluated by Vietnamese and foreign archaeologists .
