Barium isotope evidence for pervasive sediment recycling in the upper mantle

Author:

Nielsen Sune G.12ORCID,Horner Tristan J.13ORCID,Pryer Helena V.13,Blusztajn Jerzy12,Shu Yunchao1245,Kurz Mark D.3ORCID,Le Roux Véronique2

Affiliation:

1. NIRVANA (Non-traditional Isotope Research for Advanced Novel Applications) Laboratories, Woods Hole Oceanographic Institution, Woods Hole, MA 02543, USA.

2. Department of Geology and Geophysics, Woods Hole Oceanographic Institution, Woods Hole, MA 02543, USA.

3. Department of Marine Chemistry and Geochemistry, Woods Hole Oceanographic Institution, Woods Hole, MA 02543, USA.

4. Institute of Oceanology, Chinese Academy of Sciences, Qingdao, China.

5. University of Chinese Academy of Sciences, Beijing, China.

Abstract

Barium isotopes in mid-ocean ridge basalts reveal that the global upper mantle is contaminated with small amounts of sediment.

Funder

National Science Foundation

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference71 articles.

1. Mantle plumes from ancient oceanic crust

2. A. W. Hofmann in Treatise on Geochemistry (Second Edition) D. Holland K. K. Turekian Heinrich Eds. (Elsevier 2014) pp. 67–101.

3. The mean composition of ocean ridge basalts

4. The influence of primary magma composition, H2O and pressure on midocean ridge basalt differentiation;Michael P. J.;Contrib. Mineral. Petrol.,1987

5. Origin of enriched ocean ridge basalts and implications for mantle dynamics

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