Partial melting of the lower oceanic crust: implications for tracing the slab component in the source of mid-ocean ridge and intraplate basalts

1. Four figures supplementary to this study; 2. Major and trace element composition data (12 tables) for this study; 3. ICP-SF-MS data quality file1. 本研究配套的4幅附图；2. 本研究的主量与微量元素组成数据（共12张表格）；3. 电感耦合等离子体扇形磁场质谱（ICP-SF-MS）数据质量文件