Chu, Yongzhi; Li, Xiaohu; Xie, Ruifang C; Conway, Tim M; Xu, Antao; Dong, Yanhui (2026): Measured iron isotopic compositions of Fe-Mn crust sample CXD31 [dataset]. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.991015 (DOI registration in progress)