Episodes 2021; 44(4): 401-418
Published online December 1, 2021
Copyright © International Union of Geological Sciences.
by Hongliang Zhang1, Wenguang Yan2*, Hui Dai3, Deliang Li4, Yuxuan Zhou2,3, Haidong Yu3, and Yu Lin3
1College of Earth Science, Chengdu University of Technology, Chengdu, 610059,China
2Institute of Sedimentary Geology, Chengdu University of Technology, Chengdu, 610059, China
3Chongqing Laboratory of Geoheritage Protection and Research, No. 208 Hydrogeological and Engineering Geological Team, Chongqing Bureau of Geological and Mineral Resource Exploration and Development, Chongqing, 40070, China
4Chongqing Institute of Geological Survey, Chongqing, 401122, China
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A Jurassic site in the Puan area (Yunyang County, Chongqing Municipality) with paleontological heritage of dinosaur fossils is regarded as having high scientific and touristic value. The paleontological field’s geoheritage value was used to approve the establishment of a national geopark in 2020, which may promote socioeconomic development for the local population. The study and protection of these dinosaur fossils is still a necessity for establishing a geopark that will strengthen the protection and development of this area. The fossils in this region were recovered from the Middle Jurassic Xintiangou Formation and Lower Shaximiao Formation. Herein, we describe the background of the fossil burial in conjunction with sedimentology, and then we discuss the scientific and socioeconomic significance of the dinosaur fossils’ geoheritage value.