Geochemical constraints on the nature, age structure and development of the lithosphere in Zealandia
Zealandia is a largely submerged, proto-continental fragment in the southwest Pacific, whose origins, age structure and relationships with other major continents remains poorly understood. A suite of 40 off-cratonic mantle xenoliths, dominated by clinopyroxene-poor lherzolites and harzburgites, was assembled from 13 localities throughout the North, South, and Chatham Islands of New Zealand. Major and trace element data, including platinum group elements, and U-Th-Pb, Sr-Nd, Sm-Nd and Re-Os...[Show more]
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