A fresh look at the mantle sources of low-degree mantle-derived melts using K and Ba isotopes - Elazar, Oded; Pearson, D. Graham; Moynier, Frederic; Hu, Yan; Nielsen, Sune G.; Middleton, Julien T; Auro, Maureen; Jaques, A. Lynton; Shirey, Steven B. (International Kimberlite Conference: Extended Abstracts, 2024)