Causes of 142Nd Variation in Earth

Maud Boyet1,2, Audrey Bouvier3, Abdelmouhcine Gannoun2 and Richard Carlson4, (1)CNRS, Clermont-Ferrand, France, (2)University Blaise Pascal Clermont-Ferrand II, Laboratoire Magmas et Volcans, Clermont-Ferrand, France, (3)University of Western Ontario, Earth Sciences, London, ON, Canada, (4)Carnegie Inst Washington, Earth and Planets Laboratory, Washington, United States