成冰纪间冰期铁同位素数据

依托项目在中国地质科学院地质研究所同位素地质研究室完成分析测试，获得的一批成冰纪间冰期铁同位素数据。采样地点包括中国贵州省松桃县等典型剖面。将选好的样品经过化学纯化流程处理后用于多接收电感耦合等离子质谱仪（MC-ICP-MS）的实验数据采集 每个样品重复测试2-4次。通过双稀释剂法进行质量歧视矫正。误差以2SD给出。数据结果可以用于全球同时期古环境研究和对比，并对古海洋氧化还原状态对真核生物演化的意义具有重要指示意义。

A batch of iron isotope data from the Cryogenian interglacial period was obtained through analytical testing conducted at the Isotope Geology Laboratory of the Institute of Geology, Chinese Academy of Geological Sciences (CAGS) under the support of a research project. Sampling sites include typical sections such as those in Songtao County, Guizhou Province, China. Selected samples were processed via chemical purification procedures prior to experimental data collection using a Multi-Collector Inductively Coupled Plasma Mass Spectrometer (MC-ICP-MS). Each sample was repeatedly measured 2–4 times. Mass discrimination correction was carried out using the double spike method, with errors reported as 2SD (two standard deviations). This dataset can be applied to global paleoenvironmental research and correlation of the same time interval, and holds important indicative significance for studying the implications of paleocean redox conditions for eukaryotic evolution.