The Radiogenic Isotope Chemistry of North Atlantic Deep Water During the Neogene Recorded by Hydrogenous Ferromanganese Crusts
K. W. Burton, J. N. Christensen, D.-C. Lee, A. N. Halliday and G. M. Henderson
Department of Geological Sciences, The University of Michigan, Ann Arbor, MI 48109-1063, USA
Department of Geochemistry, LDEO, Columbia University, Palisades, NY. 10964, USA