The 87 Sr/86 Sr ratios of the xenoliths and megacrysts resemble the average crustal ratios of the Reykjanes Peninsula (87 Sr/86 Sr = 0.703099-0.703164).
87 Sr/86 Sr hlutföll hnyðlinganna og stórdílanna endurspegla meðalsamsetningu skorpunnar á Reykjanesi (87 Sr/86 Sr = 0.703099-0.703164).