“…N-MORB and OIB data are from Sun and McDonough (1989). Whole-rock trace-element compositions of Cenozoic basalts from the NCC are from previous studies Basu et al, 1991;Xu et al, 2005Xu et al, , 2012aTang et al, 2006;Choi et al, 2008;Ho et al, 2008;Liu et al, 2008;Chen et al, 2009;Zhang et al, 2009;Zeng et al, 2010Zeng et al, , 2011Wang et al, 2011;Hong et al, 2013;Xu et al, 2012b;Zhang et al, 2012;Sakuyama et al, 2013). that a residual mineral phase fractionating Ba from Th was present during partial melting (Fig.…”