Chang Chao

Professional:Associate professor

Department:Paleontology Teaching and Research Office

Direction:1. Cambrian Paleoenvironmental Geochemistry

Email:changchao@nwu.edu.cn

1、 Personal Profile

Associate Professor & nbsp; & nbsp; & nbsp;& nbsp; Northwest University& nbsp; & nbsp; & nbsp; Geology Department& nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp;& nbsp; From January 2023 to present

Secondment & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; National Natural Science Foundation of China& nbsp; & nbsp; Department of Geology, Second Division of Earth Sciences, Ministry of Earth Sciences& nbsp; & nbsp; 2021.03-2021.08

Lecturer & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; Northwest University& nbsp; & nbsp; & nbsp; Geology Department& nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp;& nbsp; 2020.07-2023.01

Postdoctoral Fellow& nbsp; & nbsp; & nbsp; Northwest University& nbsp; & nbsp; & nbsp; Geology Department& nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; 2018.01-2020.06

Joint cultivation & nbsp; & nbsp; University of Houston& nbsp; Department of Earth and Atmospheric Sciences& nbsp;& nbsp; 2014.10-2016.04

PhD & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; Nanjing University& nbsp; & nbsp; & nbsp; Geology major& nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; September 2011~December 2017

Undergraduate program& nbsp; & nbsp; & nbsp; & nbsp; & nbsp; Nanjing University& nbsp; & nbsp; & nbsp; Geology major& nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp;& nbsp; 2007.09-2011.06

II. Research Situation

1 Academic Papers

 & nbsp;< Strong>First author and corresponding author articles

  • Chang, C., Algeo, T.J., 2025. Nitrogen cycling and marine redox evolution during the Ediacaran – Cambrian transition. Global and Planetary Change 245. doi. org/10.1016/j.gloplacha. 2022.104679. 

  • Chang, C., Hu, W., Huang, K.J., Wang, Z., Zhang, X., 2023. Mass Extinction Coincided With Expanded Continental Margin Euxinia During the Cambrian Age 4. Geophysical Research Letters 50(21). doi.org/10.1029/2023gl105560. 

  • Chang, C., Wang, Z., Huang, K.-J., Yun, H., Zhang, X., 2022. Nitrogen cycling during the peak Cambrian explosion. Geochimica et Cosmochimica Acta 336, 50-61. doi.org/10.1016/j.gca.2022.09.013. 

  • Chang, C., Hu, W., Wang, X., Huang, K.-J., Yang, A., Zhang, X., 2019. Nitrogen isotope evidence for an oligotrophic shallow ocean during the Cambrian Stage 4. Geochimica et Cosmochimica Acta 257, 49-67. doi.org/10.1016/j.gca.2019.04.021. 

  • Chang, C., Fu, Q., Wang, X., 2019. Linear Correlation of Ba and Eu Contents by Hydrothermal Activities: A Case Study in the Hetang Formation, South China. Geofluids 2019. 

  • Chang, C., Hu, W.-X., Fu, Q., Cao, J., Wang, X.-L., Wan, Y., Yao, S.-P., 2018. Characteristics and formation processes of (Ba, K, NH4)-feldspar and cymrite from a lower Cambrian black shale sequence in Anhui Province, South China. Mineralogical Magazine 82(1), 1-21. doi.org/10.1180/minmag.2017.081.017. 

  • Chang, C., Hu, W., Wang, X., Yu, H., Yang, A., Cao, J., Yao, S., 2017. Carbon isotope stratigraphy of the lower to middle Cambrian on the eastern Yangtze Platform, South China. Palaeogeography Palaeoclimatology Palaeoecology 479, 90-101. 

  • Chang, C., Hu, W., Fu, Q., Cao, J., Wang, X., Yao, S., 2016. Characterization of trace elements and carbon isotopes across the Ediacaran-Cambrian boundary in Anhui Province, South China: Implications for stratigraphy and paleoenvironment reconstruction. Journal of Asian Earth Sciences 125, 58-70. 

    Collaborative Paper

  • Zheng, Y., Chang, C., Li, J., Ding, Y., Tang, X., Liu, J., 2025. Coupling of shallow marine redox change and multi-stage animal radiations during the early Cambrian. Gondwana Research 140, 50-59. doi.org/ https://doi.org/10.1016/j.gr.2025.01.003.  ;

  • Cui, L., Zhu, K., Li, R., Chang, C., Wu, L., Liu, W., Fu, D., Liu, P., Qiu, H., Tang, G., Li, Q., Gaines, R.R., Tao, Y., Wang, Y., Li, J., Zhang, X., 2024. The Cambrian microfossil Qingjiangonema reveals the co-evolution of sulfate-reducing bacteria and the oxygenation of Earth’s surface. Science Bulletin. doi.org/ https://doi.org/10.1016/j.scib.2024.03.001.  ;

  • Ju, P., Wang, Z., Chang, C., Zheng, Z., Li, R., Xia, W., Cao, X., Han, Y., Zhao, M., Li, C., Zhang, X., Huang, K.-J., 2024. Synchrotron-based P K-edge XANES spectroscopy reveals the transition of phosphorus cycling in the early Cambrian ocean. Palaeogeography, Palaeoclimatology, Palaeoecology 655. doi.org/10.1016/j.palaeo.2024.112506. 

  • Lu, Y., Li, R., Wang, Z., Meng, Z., Zhou, X., Chang, C., Zhang, X., Huang, K.-J., 2024. Marine nitrogen cycling in the aftermath of the Marinoan Snowball Earth. Palaeogeography, Palaeoclimatology, Palaeoecology 639. doi.org/10.1016/j.palaeo.2024.112065. 

  • Qiao, Y., Cui, L., Xing, G., Fu, D., Chang, C., Gaines, R., Zhang, X., 2024. Thermal history of Cambrian Burgess Shale-type deposits: new insights from the early Cambrian Chengjiang and Qingjiang fossils of South China. Journal of Earth Science 35(4), 1215-1223. doi.org/10.1007/s12583-023-1921-2. 

  • Zhao, B., Long, X., Chang, C., 2024. Early Cambrian sedimentary rocks in South China: A link between oceanic oxygenation and biological explosion. Earth-Science Reviews 250. doi.org/10.1016/j.earscirev.2024.104708. 

  • Yang, X., Chang, C., Chen, Y., Topper, T., Liu, F., Liang, Y., Fang, R., Zhang, Z., 2023. Geochemical records and environmental analysis of the Ediacaran-Cambrian boundary in Eastern Yunnan, South China. Frontiers in Earth Science 11. doi.org/10.3389/feart.2023.1173846. 

  • Wang Qingshan, Chang Chao, Wu Yuanyuan, Zhang Xingliang, 2023.

  • Visualize and analyze the current research status of black shale in China using CiteSpace Progress in Earth Sciences 38 (12), 1224-1242. doi. org/10.11867/j.issn. 1001-8166.2023.083. 
  • Liu, W., Chang, C., Yun, H., Cui, L., Zhang, X., 2021. A laminated microbial ecosystem at the summit of the Cambrian Explosion. Global and Planetary Change 205. doi.org/10.1016/j.gloplacha.2021.103619. 

  • Yun, H., Luo, C., Chang, C., Li, L., Reitner, J., Zhang, X., 2022. Adaptive specialization of a unique sponge body from the Cambrian Qingjiang biota. Proceedings of the Royal Society B: Biological Sciences 289(1977), 20220804. doi.org/doi:10.1098/rspb.2022.0804. 

  • Liu, W., Zhang, X., Duan, L., Chang, C., Liu, X., 2022. Rain shower on a Cambrian mudflat. Science Bulletin. 

  • Wang, Z., Chang, C., Zhang, X., Ju, P., Lu, Y., Meng, Z., Huang, K.-J., 2021. Possible response of N2O emission to marine redox fluctuation during the Ediacaran-Cambrian transition in Nanhua Basin, South China. Precambrian Research 365. doi.org/10.1016/j.precamres.2021.106409. 

  • Zhang, J., Chang, C., Jin, X., Yang, J., 2022. Characteristics and origin of dolomite reservoir in the fifth member of the Ordovician Majiagou Formation in the Ordos Basin, China. Carbonates and Evaporites 38(1). doi.org/10.1007/s13146-022-00838-6. 

  • Zhang, X., Chang, C., Cui, L., Qiao, Y., 2021. Ecosystem Reconstruction during the Cambrian Explosion. Paleontological Research 25(4). doi.org/10.2517/2021pr003. 

  • Zhu, F., Hu, W., Cao, J., Liu, B., Liu, Y., Chang, C., 2018. Probe material choice for nuclear magnetic resonance cryoporometry (NMRC) measurements of the nano-scale pore size distribution of unconventional reservoirs. Energy Exploration & Exploitation 37(1), 412-428. doi.org/10.1177/0144598718802475. 

    2. Research Projects

    1 Reconstruction of Atmospheric CO2 Concentration during the Cambrian Explosion: A New Exploration Based on C Isotopes of Suspected Source Species and Macroscopic Algae Fossils, 42272006, National Natural Science Foundation of China General Project, 2023.01-2026.12< Host

    2 The evolution characteristics of the fourth stage paleoenvironment of the Cambrian and its relationship with biological evolution events, 41802026, National Natural Science Foundation of China Youth Project, January 2019 to December 2021< Host

    3. Preliminary exploration of Mo isotope characteristics in the early Cambrian in Aksu, Xinjiang, 2018M633553, Postdoctoral Fund, May 2018 to April 2020< Host

    4.  Research on the Cambrian Qingjiang Biota, 41930319, Key Project of National Natural Science Foundation of China, 2020.01~2024.12< Strong>Project Backbone

    5.  The major tectonic environmental life transition event and its coupling relationship at the turn of the Neoproterozoic Cambrian, 2022YFF0802700, National Key Research and Development Program for Young Scientists, 2023.01-2027.12, China< Strong>Project Backbone
    6.  Research on the Diversity of Animal Species and Their Evolutionary Relationships during the Cambrian Explosion& nbsp; 41890845, a major project of the National Natural Science Foundation of China, with a budget of 201.91-2023.1243 million yuan< Strong>Project Secretary

      3. Academic monographs

        4. Introduction to academic conferences and exchanges

        5. Research awards