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As there are no measurements for cerium isotopes, corresponding ? 138 Ce values have been calculating assuming ?Nd/?Ce~-10 (such a relationship agrees with calculations made in Bellot et al. [2015] and with the MORB-OIB relationship (mantle array) defined by Willig and Stracke, REE contents are from, 1988. ,
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, The initial Nd isotope composition of OC is from DePaolo, 1981.
, Ga have been calculating assuming ?Nd/? Ce ~ -10 and is equal to -0, vol.26
, Cook-Austral Islands (namely RRT-B21, RRT-B30 and RRT305-2 that are characterized by the highest MgO content: 10.6 -12.6 wt%) amongst the samples listed in GEOROC [Hauri and Hart, 1993.
, The FOZO source concentrations are recalculated using 5% of batch melting and bulk partition coefficient of a garnet peridotite (55% olivine, 25% clinopyroxene, 11% orthopyroxene and 9% garnet). Dmineral-melt values are from McKenzie and O'Nions, 1991.