Tungsten-182 heterogeneity in modern ocean island basalts-Reference-Cited by-同舟云学术

Tungsten-182 heterogeneity in modern ocean island basalts

Published:2017-04-07 Issue:6333 Volume:356 Page:66-69
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Mundl Andrea¹^ORCID,Touboul Mathieu²,Jackson Matthew G.³,Day James M. D.⁴^ORCID,Kurz Mark D.⁵,Lekic Vedran¹^ORCID,Helz Rosalind T.⁶^ORCID,Walker Richard J.¹^ORCID

Affiliation:

1. Department of Geology, University of Maryland, College Park, MD 20742, USA.

2. Ecole Normale Supérieure de Lyon, 69364 Lyon Cedex 7, France.

3. Department of Earth Science, University of California, Santa Barbara, Santa Barbara, CA 93106, USA.

4. Scripps Institution of Oceanography, University of California, San Diego, La Jolla, CA 92093, USA.

5. Woods Hole Oceanographic Institution, Woods Hole, MA 02543, USA.

6. U.S. Geological Survey, Reston, VA 20192, USA.

Abstract

A mantle story told with metal and gas Differences in isotopic compositions of trace elements can help identify how regions of Earth's mantle have evolved over time. Mundl et al. identified several ancient domains that have been isolated from mantle homogenization and thus contain signatures of primordial material. Tungsten and helium isotope values indicate fractionation and isolation of these mantle domains just after Earth's formation. The findings help constrain ancient processes such as core formation, but also provide insight into unexplained structures in the lower mantle today. Science , this issue p. 66

Funder

National Science Foundation

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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