Nb–Ta mineralization in metaluminous-weakly peraluminous magmatic system: Constraints from chemical composition and Hf isotopes of columbite-group minerals in China

Table S1: Whole-rock major- and trace-element compositions of the Yanqian, Xiangtoushan, Qi'niangtan and Boluo525 granites. Table S2: major- and trace-element compositions of micas from Qi'niangtan and Yanqian granites. Table S3: EPMA and LA-ICP-MS data of CGM and ferrtapiolite samples. Table S4: LA-ICP-MS U-Pb isotopic data of CGM samples from Boluo525 and Yanqian. Table S5: CGM Hf isotopic compositions analyzed by (LA)-MC-ICP-MS.

表S1：燕前、香头山、七娘滩和博罗525花岗岩的全岩主量与微量元素组成。表S2：七娘滩与燕前花岗岩中云母的主量与微量元素组成。表S3：结晶金属矿物（CGM）及铁钽矿样品的电子探针显微分析（Electron Probe Micro-Analysis, EPMA）与激光剥蚀电感耦合等离子体质谱（Laser Ablation Inductively Coupled Plasma Mass Spectrometry, LA-ICP-MS）数据。表S4：博罗525和燕前花岗岩中结晶金属矿物（CGM）样品的激光剥蚀电感耦合等离子体质谱（LA-ICP-MS）U-Pb同位素数据。表S5：采用（激光）多接收杯电感耦合等离子体质谱[(LA)-MC-ICP-MS, Multi-Collector Inductively Coupled Plasma Mass Spectrometry]分析得到的结晶金属矿物（CGM）的Hf同位素组成。

搜集汇总

背景与挑战

背景概述

该数据集聚焦于中国铌钽矿化研究，包含多个花岗岩体的全岩、云母及铌铁矿族矿物的地球化学和同位素数据（如主量元素、微量元素、U-Pb和Hf同位素），旨在通过化学成分和Hf同位素分析，揭示金属质-弱过铝质岩浆系统中铌钽矿化的形成机制与约束条件。