Isotopic characterisation of the sub-continental lithospheric mantle beneath Zealandia, a rifted fragment of Gondwana

Geo- og miljøvidenskab

• xenolith 100%
• Gondwana 95%
• mantle 68%
• isotopic composition 60%
• clinopyroxene 47%
• trace element 35%
• isotope 34%
• ocean island basalt 28%
• harzburgite 28%
• lherzolite 27%
• mid-ocean ridge basalt 25%
• mantle source 24%
• ablation 23%
• peridotite 23%
• spinel 23%
• thinning 22%
• upper mantle 22%
• garnet 21%
• Eocene 20%
• Antarctica 20%
• rare earth element 19%
• volcanic eruption 19%
• Miocene 18%
• magma 17%
• melting 17%
• crust 17%
• laser 17%
• Cretaceous 17%
• ocean 13%
• sea 12%