Hydrogen Isotopic Variations in the Shergottites

Hydrogen isotopes in the shergottite Martian meteorites are among the most varied in Mars laboratory samples. By collating results of previous studies on major hydroxyl, deuterium, and H<sub>2</sub>O bearing phases, we provide a compendium of recent measurements in order to elucidate cru...

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Main Authors: Shuai Wang, Sen Hu
Format: Article
Language:English
Published: MDPI AG 2020-04-01
Series:Geosciences
Subjects:
Online Access:https://www.mdpi.com/2076-3263/10/4/148
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author Shuai Wang
Sen Hu
author_facet Shuai Wang
Sen Hu
author_sort Shuai Wang
collection DOAJ
description Hydrogen isotopes in the shergottite Martian meteorites are among the most varied in Mars laboratory samples. By collating results of previous studies on major hydroxyl, deuterium, and H<sub>2</sub>O bearing phases, we provide a compendium of recent measurements in order to elucidate crustal-rock versus mantle-rock processes on Mars. We summarize recent works on volatile and δD measurements in a range of shergottite phases: from melt inclusions, apatite, merrillite, maskelynite, impact melt glass, groundmass glass, and nominal anhydrous minerals. We interpret these observations using an evidence-based approach, considering two particular scenarios: (1) water-rock crustal interactions versus (2) magmatic-based processes. We consider the implications of these measurements and the scope they have for future studies, paying particular attention to future works on H, S, and Cl isotopes in situ, shedding light on the nature of volatiles in the hydrosphere and lithosphere of Mars.
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spelling doaj.art-87ac9469895643f09e779ba5045d36e92023-11-19T21:55:52ZengMDPI AGGeosciences2076-32632020-04-0110414810.3390/geosciences10040148Hydrogen Isotopic Variations in the ShergottitesShuai Wang0Sen Hu1Key Laboratory of Earth and Planetary Physics, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, ChinaKey Laboratory of Earth and Planetary Physics, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, ChinaHydrogen isotopes in the shergottite Martian meteorites are among the most varied in Mars laboratory samples. By collating results of previous studies on major hydroxyl, deuterium, and H<sub>2</sub>O bearing phases, we provide a compendium of recent measurements in order to elucidate crustal-rock versus mantle-rock processes on Mars. We summarize recent works on volatile and δD measurements in a range of shergottite phases: from melt inclusions, apatite, merrillite, maskelynite, impact melt glass, groundmass glass, and nominal anhydrous minerals. We interpret these observations using an evidence-based approach, considering two particular scenarios: (1) water-rock crustal interactions versus (2) magmatic-based processes. We consider the implications of these measurements and the scope they have for future studies, paying particular attention to future works on H, S, and Cl isotopes in situ, shedding light on the nature of volatiles in the hydrosphere and lithosphere of Mars.https://www.mdpi.com/2076-3263/10/4/148Marsshergottiteswater-rock interactionhydrogen isotopeswater content
spellingShingle Shuai Wang
Sen Hu
Hydrogen Isotopic Variations in the Shergottites
Geosciences
Mars
shergottites
water-rock interaction
hydrogen isotopes
water content
title Hydrogen Isotopic Variations in the Shergottites
title_full Hydrogen Isotopic Variations in the Shergottites
title_fullStr Hydrogen Isotopic Variations in the Shergottites
title_full_unstemmed Hydrogen Isotopic Variations in the Shergottites
title_short Hydrogen Isotopic Variations in the Shergottites
title_sort hydrogen isotopic variations in the shergottites
topic Mars
shergottites
water-rock interaction
hydrogen isotopes
water content
url https://www.mdpi.com/2076-3263/10/4/148
work_keys_str_mv AT shuaiwang hydrogenisotopicvariationsintheshergottites
AT senhu hydrogenisotopicvariationsintheshergottites