Zhu, Q. 2026. Geochemical Characteristics and Geological Significance of Shale in Wufeng-Longmaxi Formations of Hefeng In Western Hunan-Hubei Underwater Uplift. International Journal of Natural Resources and Environmental Studies. 8, 3 (Apr. 2026), 144–159. DOI:https://doi.org/10.62051/ijnres.v8n3.13.