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Publication Detail
Understanding the source: The nitrogen isotope composition of Type II mantle diamonds
  • Publication Type:
    Conference
  • Authors:
    Mikhail S, Jones AP, Howell D, Milledge HJ, Verchovsky S
  • Publication date:
    2010
  • Pagination:
    5359, ?
  • Published proceedings:
    Abstracts
  • Volume:
    12
  • Name of conference:
    EGU General Assembly Conference
  • Conference place:
    Vienna
Abstract
Diamonds can be broadly subdivided into 2 groups based on their nitrogen content; type I with> 10ppm nitrogen and type II with< 10ppm (1). Roughly 98% of upper mantle diamonds are classified as type I, interestingly nearly all lower mantle diamonds are of type II (2). This study aims to identify the processes involved or source of type II diamonds from several localities by measuring their carbon and nitrogen stable isotope compositions simultaneously for the first time. Samples have been categorised as type II using Fourier ...
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