Volcanics-driven episodic events enhancing organic carbon accumulation in black shale during the Middle Eocene

This dataset contains carbon and nitrogen isotopic compositions (δ¹³Corg and δ¹⁵Norg) from the Shahejie Formation in Well Fanye-1, Jiyang Depression, Bohai Bay Basin, along with basic geochemical parameters (TOC, TN, TS) and selected trace element data.