Evidence for primordial water in Earth’s deep mantle-Reference-Cited by-同舟云学术

Evidence for primordial water in Earth’s deep mantle

Published:2015-11-13 Issue:6262 Volume:350 Page:795-797
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Hallis Lydia J.¹²,Huss Gary R.¹²,Nagashima Kazuhide²,Taylor G. Jeffrey¹²,Halldórsson Sæmundur A.³,Hilton David R.³,Mottl Michael J.⁴,Meech Karen J.¹⁵

Affiliation:

1. NASA Astrobiology Institute, Institute for Astronomy, University of Hawai’i, 2680 Woodlawn Drive, Honolulu, HI 96822-1839, USA.

2. Hawai’i Institute of Geophysics and Planetology, Pacific Ocean Science and Technology (POST) Building, University of Hawai’i, 1680 East-West Road, Honolulu, HI 96822, USA.

3. Scripps Institution of Oceanography, University California San Diego, 9500 Gilman Drive, La Jolla, CA 92093-0244, USA.

4. Department of Oceanography, University of Hawai’i, Marine Sciences Building 304, 1000 Pope Road, Honolulu, HI 96822, USA.

5. Institute for Astronomy, University of Hawai’i, 2680 Woodlawn Drive, Honolulu, HI 96822, USA.

Abstract

Shaking out water's dusty origin Where did Earth's water come from? Lavas erupting on Baffin Island, Canada, tap a part of Earth's mantle isolated from convective mixing. Hallis et al. studied hydrogen isotopes in the lavas that help to “fingerprint” the origin of water from what could be a primordial reservoir. The isotope ratios for the Baffin Island basalt lavas suggest a pre-solar origin of water in Earth, probably delivered by adsorption onto dust grains. Science , this issue p. 795

Funder

National Aeronautics and Space Administration

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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