My guide, Moana told me, "Mangaia was the last of the Cook Islands ... So instead we ventured off to the giant earth oven in which the tribe of Ngariki cooked the Aitu alive for their cruelties.

Figure 1: Compositions of olivine phenocrysts from HIMU (Mangaia, Tubuai) and intermediate HIMU–EM1 (Karthala) lavas. Figure 2: Normalized trace-element patterns comparing HIMU–EM1 lavas ...