Data for: Development and evolution of euxinic wedge on the ferruginous outer shelf of early Cambrian stratified ocean in the Yangtze Block

Geochemical data for the Niutitang Formation of Daotuo and Bahuang sections, South China. Data source: (1) Samples with *: all data are from this study; (2) Other samples: Fe speciation data (Fecarb, Feox, Femag, Fepy) and trace elements (Mo, U) are from this study; FeT, Al2O3 and TOC are from Yeasmin et al. (2017)

关于中国南方道拖与八磺剖面牛蹄塘组的地球化学数据集。数据来源：(1) 标有 * 的样本：所有数据均来自本研究；(2) 其他样本：铁形态数据（Fecarb、Feox、Femag、Fepy）及微量元素（Mo、U）数据均来自本研究；FeT、Al2O3和TOC数据来自Yeasmin等人（2017年）。