Supplement to: Wood, D A; Tarney, J; Varet, J; Saunders, Andrew D; Bougault, Henri; Joron, Jean Louis; Treuil, M; Cann, Joe R (1979): Geochemistry of basalts drilled in the North Atlantic by IPOD Leg 49: implications for mantel heterogeneity. Earth and Planetary Science Letters, 42(1), 77-97, https://doi.org/10.1016/0012-821X(79)90192-4