Hydrous mantle transition zone indicated by ringwoodite included within diamond

D. G. Pearson (), F. E. Brenker, F. Nestola, J. McNeill, L. Nasdala, M. T. Hutchison, S. Matveev, K. Mather, G. Silversmit, S. Schmitz, B. Vekemans and L. Vincze
Additional contact information
D. G. Pearson: 1-26 Earth Sciences Building, University of Alberta, Edmonton, Alberta T6G 2E3, Canada
F. E. Brenker: Geoscience Institute – Mineralogy, Goethe University, Altenhöferallee 1, 60438 Frankfurt, Germany
F. Nestola: Università di Padova, 35137 Padua, Italy
J. McNeill: Durham University, Durham DH1 3LE, UK
L. Nasdala: Institut für Mineralogie und Kristallographie, Universität Wien, Althanstrasse 14, 1090 Wien, Austria
M. T. Hutchison: Trigon GeoServices Ltd, 2780 South Jones Boulevard, #35-15, Las Vegas, Nevada 89146, USA
S. Matveev: 1-26 Earth Sciences Building, University of Alberta, Edmonton, Alberta T6G 2E3, Canada
K. Mather: Durham University, Durham DH1 3LE, UK
G. Silversmit: Ghent University, Krijgslaan 281 S12, B-9000 Ghent, Belgium
S. Schmitz: Geoscience Institute – Mineralogy, Goethe University, Altenhöferallee 1, 60438 Frankfurt, Germany
B. Vekemans: Ghent University, Krijgslaan 281 S12, B-9000 Ghent, Belgium
L. Vincze: Ghent University, Krijgslaan 281 S12, B-9000 Ghent, Belgium

Nature, 2014, vol. 507, issue 7491, 221-224

Abstract: X-ray diffraction, Raman and infrared spectroscopic evidence for the inclusion of water-rich ringwoodite in diamond from Juína, Brazil, indicates that, at least locally, the Earth’s transition zone is hydrous to about 1 weight per cent.

Date: 2014
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DOI: 10.1038/nature13080

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