Nitrogen Incorporation in Potassic and Micro- and Meso-Porous Minerals: Potential Biogeochemical Records and Targets for Mars Sampling
We measured the N concentrations and isotopic compositions of 44 samples of terrestrial potassic and micro- and meso-porous minerals and a small number of whole-rocks to determine the extent to which N is incorporated and stored during weathering and low-temperature hydrothermal alteration in Mars s...
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Online Access: | http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9618379/ http://www.ncbi.nlm.nih.gov/pubmed/36074082 https://doi.org/10.1089/ast.2021.0158 |
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ftpubmed:oai:pubmedcentral.nih.gov:9618379 2023-05-15T14:05:08+02:00 Nitrogen Incorporation in Potassic and Micro- and Meso-Porous Minerals: Potential Biogeochemical Records and Targets for Mars Sampling Nikitczuk, Matthew P. Bebout, Gray E. Geiger, Charles A. Ota, Tsutomu Kunihiro, Takuya Mustard, John F. Halldórsson, Sæmundur A. Nakamura, Eizo 2022-11-01 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9618379/ http://www.ncbi.nlm.nih.gov/pubmed/36074082 https://doi.org/10.1089/ast.2021.0158 en eng Mary Ann Liebert, Inc., publishers http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9618379/ http://www.ncbi.nlm.nih.gov/pubmed/36074082 http://dx.doi.org/10.1089/ast.2021.0158 © Matthew P. Nikitczuk et al., 2022; Published by Mary Ann Liebert, Inc. https://creativecommons.org/licenses/by/4.0/This Open Access article is distributed under the terms of the Creative Commons License (http://creativecommons.org/licenses/by/4.0 (https://creativecommons.org/licenses/by/4.0/) ), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. CC-BY Astrobiology Research Articles Text 2022 ftpubmed https://doi.org/10.1089/ast.2021.0158 2022-11-06T01:54:54Z We measured the N concentrations and isotopic compositions of 44 samples of terrestrial potassic and micro- and meso-porous minerals and a small number of whole-rocks to determine the extent to which N is incorporated and stored during weathering and low-temperature hydrothermal alteration in Mars surface/near-surface environments. The selection of these minerals and other materials was partly guided by the study of altered volcanic glass from Antarctica and Iceland, in which the incorporation of N as NH(4)(+) in phyllosilicates is indicated by correlated concentrations of N and the LILEs (i.e., K, Ba, Rb, Cs), with scatter likely related to the presence of exchanged, occluded/trapped, or encapsulated organic/inorganic N occurring within structural cavities (e.g., in zeolites). The phyllosilicates, zeolites, and sulfates analyzed in this study contain between 0 and 99,120 ppm N and have δ(15)N(air) values of −34‰ to +65‰. Most of these minerals, and the few siliceous hydrothermal deposits that were analyzed, have δ(15)N consistent with the incorporation of biologically processed N during low-temperature hydrothermal or weathering processes. Secondary ion mass spectrometry on altered hyaloclastites demonstrates the residency of N in smectites and zeolites, and silica. We suggest that geological materials known on Earth to incorporate and store N and known to be abundant at, or near, the surface of Mars should be considered targets for upcoming Mars sample return with the intent to identify any signs of ancient or modern life. Text Antarc* Antarctica Iceland PubMed Central (PMC) Astrobiology 22 11 1293 1309 |
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Research Articles |
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Research Articles Nikitczuk, Matthew P. Bebout, Gray E. Geiger, Charles A. Ota, Tsutomu Kunihiro, Takuya Mustard, John F. Halldórsson, Sæmundur A. Nakamura, Eizo Nitrogen Incorporation in Potassic and Micro- and Meso-Porous Minerals: Potential Biogeochemical Records and Targets for Mars Sampling |
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Research Articles |
description |
We measured the N concentrations and isotopic compositions of 44 samples of terrestrial potassic and micro- and meso-porous minerals and a small number of whole-rocks to determine the extent to which N is incorporated and stored during weathering and low-temperature hydrothermal alteration in Mars surface/near-surface environments. The selection of these minerals and other materials was partly guided by the study of altered volcanic glass from Antarctica and Iceland, in which the incorporation of N as NH(4)(+) in phyllosilicates is indicated by correlated concentrations of N and the LILEs (i.e., K, Ba, Rb, Cs), with scatter likely related to the presence of exchanged, occluded/trapped, or encapsulated organic/inorganic N occurring within structural cavities (e.g., in zeolites). The phyllosilicates, zeolites, and sulfates analyzed in this study contain between 0 and 99,120 ppm N and have δ(15)N(air) values of −34‰ to +65‰. Most of these minerals, and the few siliceous hydrothermal deposits that were analyzed, have δ(15)N consistent with the incorporation of biologically processed N during low-temperature hydrothermal or weathering processes. Secondary ion mass spectrometry on altered hyaloclastites demonstrates the residency of N in smectites and zeolites, and silica. We suggest that geological materials known on Earth to incorporate and store N and known to be abundant at, or near, the surface of Mars should be considered targets for upcoming Mars sample return with the intent to identify any signs of ancient or modern life. |
format |
Text |
author |
Nikitczuk, Matthew P. Bebout, Gray E. Geiger, Charles A. Ota, Tsutomu Kunihiro, Takuya Mustard, John F. Halldórsson, Sæmundur A. Nakamura, Eizo |
author_facet |
Nikitczuk, Matthew P. Bebout, Gray E. Geiger, Charles A. Ota, Tsutomu Kunihiro, Takuya Mustard, John F. Halldórsson, Sæmundur A. Nakamura, Eizo |
author_sort |
Nikitczuk, Matthew P. |
title |
Nitrogen Incorporation in Potassic and Micro- and Meso-Porous Minerals: Potential Biogeochemical Records and Targets for Mars Sampling |
title_short |
Nitrogen Incorporation in Potassic and Micro- and Meso-Porous Minerals: Potential Biogeochemical Records and Targets for Mars Sampling |
title_full |
Nitrogen Incorporation in Potassic and Micro- and Meso-Porous Minerals: Potential Biogeochemical Records and Targets for Mars Sampling |
title_fullStr |
Nitrogen Incorporation in Potassic and Micro- and Meso-Porous Minerals: Potential Biogeochemical Records and Targets for Mars Sampling |
title_full_unstemmed |
Nitrogen Incorporation in Potassic and Micro- and Meso-Porous Minerals: Potential Biogeochemical Records and Targets for Mars Sampling |
title_sort |
nitrogen incorporation in potassic and micro- and meso-porous minerals: potential biogeochemical records and targets for mars sampling |
publisher |
Mary Ann Liebert, Inc., publishers |
publishDate |
2022 |
url |
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9618379/ http://www.ncbi.nlm.nih.gov/pubmed/36074082 https://doi.org/10.1089/ast.2021.0158 |
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Antarc* Antarctica Iceland |
genre_facet |
Antarc* Antarctica Iceland |
op_source |
Astrobiology |
op_relation |
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9618379/ http://www.ncbi.nlm.nih.gov/pubmed/36074082 http://dx.doi.org/10.1089/ast.2021.0158 |
op_rights |
© Matthew P. Nikitczuk et al., 2022; Published by Mary Ann Liebert, Inc. https://creativecommons.org/licenses/by/4.0/This Open Access article is distributed under the terms of the Creative Commons License (http://creativecommons.org/licenses/by/4.0 (https://creativecommons.org/licenses/by/4.0/) ), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. |
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CC-BY |
op_doi |
https://doi.org/10.1089/ast.2021.0158 |
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Astrobiology |
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22 |
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11 |
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1293 |
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1309 |
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