Source assemblage types for cratonic diamonds from X-ray synchrotron diffraction

F. Nestola, M. Alvaro, M. N. Casati, H. Wilhelm, A. K. Kleppe, A. P. Jephcoat, M. C. Domeneghetti, J. W. Harris

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Three single crystals of clinopyroxene trapped within three different gem-quality diamonds from the Udachnaya kimberlite (Siberia, Russia) were analysed in situ by single-crystal synchrotron X-ray diffraction in order to obtain information on their chemical composition and infer source assemblage type. A non-destructive approach was used with high-energy (≈ 60 keV; λ ≈ 0.206 Å) at I15, the extreme-conditions beamline at Diamond Light Source. A dedicated protocol was used to center the mineral inclusions located deep inside the diamonds in the X-ray beam. Our results reveal that two of the inclusions can be associated with peridotitic paragenesis whereas the third is eclogitic. This study also demonstrates that this non-destructive experimental approach is extremely efficient in evaluating the origin of minerals trapped in their diamond hosts.

Original languageEnglish
Pages (from-to)334-338
Number of pages5
JournalLithos
Volume265
DOIs
Publication statusPublished - Nov 15 2016

Fingerprint

Diamond
Synchrotrons
diamond
Diffraction
X-ray diffraction
X rays
Minerals
Single crystals
crystal
Gems
kimberlite
mineral
paragenesis
clinopyroxene
Light sources
chemical composition
X ray diffraction
Chemical analysis
energy

Keywords

  • Clinopyroxene
  • Diamond
  • Eclogite
  • Peridotite
  • Synchrotron

ASJC Scopus subject areas

  • Geochemistry and Petrology

Cite this

Nestola, F., Alvaro, M., Casati, M. N., Wilhelm, H., Kleppe, A. K., Jephcoat, A. P., ... Harris, J. W. (2016). Source assemblage types for cratonic diamonds from X-ray synchrotron diffraction. Lithos, 265, 334-338. https://doi.org/10.1016/j.lithos.2016.07.037

Source assemblage types for cratonic diamonds from X-ray synchrotron diffraction. / Nestola, F.; Alvaro, M.; Casati, M. N.; Wilhelm, H.; Kleppe, A. K.; Jephcoat, A. P.; Domeneghetti, M. C.; Harris, J. W.

In: Lithos, Vol. 265, 15.11.2016, p. 334-338.

Research output: Contribution to journalArticle

Nestola, F, Alvaro, M, Casati, MN, Wilhelm, H, Kleppe, AK, Jephcoat, AP, Domeneghetti, MC & Harris, JW 2016, 'Source assemblage types for cratonic diamonds from X-ray synchrotron diffraction', Lithos, vol. 265, pp. 334-338. https://doi.org/10.1016/j.lithos.2016.07.037
Nestola F, Alvaro M, Casati MN, Wilhelm H, Kleppe AK, Jephcoat AP et al. Source assemblage types for cratonic diamonds from X-ray synchrotron diffraction. Lithos. 2016 Nov 15;265:334-338. https://doi.org/10.1016/j.lithos.2016.07.037
Nestola, F. ; Alvaro, M. ; Casati, M. N. ; Wilhelm, H. ; Kleppe, A. K. ; Jephcoat, A. P. ; Domeneghetti, M. C. ; Harris, J. W. / Source assemblage types for cratonic diamonds from X-ray synchrotron diffraction. In: Lithos. 2016 ; Vol. 265. pp. 334-338.
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