Earth’s composition was modified by collisional erosion
Paul Frossard, Claudine Israel, Audrey Bouvier, Maud Boyet Science29 Sep 2022Vol 377, Issue 6614pp. 1529-1532 LINK Supplementary Materials “The samarium-146 (146Sm)–neodymium-142 (142Nd) short-lived decay system (half-life of 103 million years) is a powerful tracer of…