Geochemical and O-isotope constraints on the evolution of lithospheric mantle in the Ross Sea rift area (Antarctica)

Peridotite xenoliths found in Cenozoic alkali basalts of northern Victoria Land, Antarctica, vary from fertile spinel-lherzolite to harzburgite. They often contain glass-bearing pockets formed after primary pyroxenes and spinel. Few samples are composite and consist of depleted spinel lherzolite cro...

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Veröffentlicht in:	Contributions to mineralogy and petrology 2006-03, Vol.151 (3), p.245-266
Hauptverfasser:	Perinelli, Cristina, Armienti, Pietro, Dallai, Luigi
Format:	Artikel
Sprache:	eng
Schlagworte:	Basalt Cenozoic Evolution Geochemistry Isotopes Lithosphere Melting Mineralogy Oxygen Oxygen isotopes Petrology Plate tectonics Titanium dioxide Trace elements Veins (geology)
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