(Appendix) Afro-Arabian flood volcanism Pb isotope ratios@en

In situ measurement. Position of Ethiopia samples are from Ukstins et al. (2002, doi:10.1016/S0012-821X(02)00525-3) and estimated from map. Position of Yemen samples is a mean estimate of map原位测量。埃塞俄比亚样品的采样点位数据源自Ukstins等人（2002年，DOI:10.1016/S0012-821X(02)00525-3）的研究，并通过地图估算获得；也门样品的采样点位为基于地图的平均估算值。