A comment on “The nitrogen record of crust-mantle interaction and mantle convection from Archean to Present” by B. Marty and N. Dauphas [Earth Planet. Sci. Lett. 206(2003) 397-410]
Laboratoire de Géochimie des Isotopes Stables, UMR CNRS 7047, Institut de Physique du Globe and Université Paris 7, 2 Place Jussieu, T54-64 E1, 75251 Paris Cedex 05, France