What we can learn about Mars from the magnetism of returned samples.
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| Title: | What we can learn about Mars from the magnetism of returned samples. |
|---|---|
| Authors: | Weiss, Benjamin P.1 bpweiss@mit.edu, Mansbach, Elias N.1, Maurel, Clara2, Sprain, Courtney J.3, Swanson-Hysell, Nicholas L.4, Williams, Wyn5 |
| Source: | Proceedings of the National Academy of Sciences of the United States of America. 1/14/2025, Vol. 122 Issue 2, p1-10. 19p. |
| Subjects: | Polar wandering, Mars (Planet), Magnetic measurements, Plate tectonics, Planetary atmospheres |
| Abstract: | The Red Planet is a magnetic planet. The Martian crust contains strong magnetization from a core dynamo that likely was active during the Noachian period when the surface may have been habitable. The evolution of the dynamo may have played a central role in the evolution of the early atmosphere and the planet's transition to the current cold and dry state. However, the nature and history of the dynamo and crustal magnetization are poorly understood given the lack of well-preserved, oriented, ancient samples with geologic context available for laboratory study. Here, we describe how magnetic measurements of returned samples could transform our understanding of six key unknowns about Mars' planetary evolution and habitability. Such measurements could i) determine the history of the Martian dynamo field's intensity; ii) determine the history of the Martian dynamo field's direction; iii) test the hypothesis that Mars experienced plate tectonics or true polar wander; iv) constrain the thermal and aqueous alteration history of the samples; v) identify sources of Martian crustal magnetization and vi) characterize sedimentary and magmatic processes on Mars. We discuss how these goals can be achieved using future laboratory analyses of samples acquired by the Perseverance rover. [ABSTRACT FROM AUTHOR] |
| Copyright of Proceedings of the National Academy of Sciences of the United States of America is the property of National Academy of Sciences and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
| Database: | Engineering Source |
| FullText | Text: Availability: 0 |
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| Header | DbId: egs DbLabel: Engineering Source An: 182495014 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 0 |
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| Items | – Name: Title Label: Title Group: Ti Data: What we can learn about Mars from the magnetism of returned samples. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Weiss%2C+Benjamin+P%2E%22">Weiss, Benjamin P.</searchLink><relatesTo>1</relatesTo><i> bpweiss@mit.edu</i><br /><searchLink fieldCode="AR" term="%22Mansbach%2C+Elias+N%2E%22">Mansbach, Elias N.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Maurel%2C+Clara%22">Maurel, Clara</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Sprain%2C+Courtney+J%2E%22">Sprain, Courtney J.</searchLink><relatesTo>3</relatesTo><br /><searchLink fieldCode="AR" term="%22Swanson-Hysell%2C+Nicholas+L%2E%22">Swanson-Hysell, Nicholas L.</searchLink><relatesTo>4</relatesTo><br /><searchLink fieldCode="AR" term="%22Williams%2C+Wyn%22">Williams, Wyn</searchLink><relatesTo>5</relatesTo> – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22Proceedings+of+the+National+Academy+of+Sciences+of+the+United+States+of+America%22">Proceedings of the National Academy of Sciences of the United States of America</searchLink>. 1/14/2025, Vol. 122 Issue 2, p1-10. 19p. – Name: Subject Label: Subjects Group: Su Data: <searchLink fieldCode="DE" term="%22Polar+wandering%22">Polar wandering</searchLink><br /><searchLink fieldCode="DE" term="%22Mars+%28Planet%29%22">Mars (Planet)</searchLink><br /><searchLink fieldCode="DE" term="%22Magnetic+measurements%22">Magnetic measurements</searchLink><br /><searchLink fieldCode="DE" term="%22Plate+tectonics%22">Plate tectonics</searchLink><br /><searchLink fieldCode="DE" term="%22Planetary+atmospheres%22">Planetary atmospheres</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: The Red Planet is a magnetic planet. The Martian crust contains strong magnetization from a core dynamo that likely was active during the Noachian period when the surface may have been habitable. The evolution of the dynamo may have played a central role in the evolution of the early atmosphere and the planet's transition to the current cold and dry state. However, the nature and history of the dynamo and crustal magnetization are poorly understood given the lack of well-preserved, oriented, ancient samples with geologic context available for laboratory study. Here, we describe how magnetic measurements of returned samples could transform our understanding of six key unknowns about Mars' planetary evolution and habitability. Such measurements could i) determine the history of the Martian dynamo field's intensity; ii) determine the history of the Martian dynamo field's direction; iii) test the hypothesis that Mars experienced plate tectonics or true polar wander; iv) constrain the thermal and aqueous alteration history of the samples; v) identify sources of Martian crustal magnetization and vi) characterize sedimentary and magmatic processes on Mars. We discuss how these goals can be achieved using future laboratory analyses of samples acquired by the Perseverance rover. [ABSTRACT FROM AUTHOR] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of Proceedings of the National Academy of Sciences of the United States of America is the property of National Academy of Sciences and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1073/pnas.2404259121 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 19 StartPage: 1 Subjects: – SubjectFull: Polar wandering Type: general – SubjectFull: Mars (Planet) Type: general – SubjectFull: Magnetic measurements Type: general – SubjectFull: Plate tectonics Type: general – SubjectFull: Planetary atmospheres Type: general Titles: – TitleFull: What we can learn about Mars from the magnetism of returned samples. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Weiss, Benjamin P. – PersonEntity: Name: NameFull: Mansbach, Elias N. – PersonEntity: Name: NameFull: Maurel, Clara – PersonEntity: Name: NameFull: Sprain, Courtney J. – PersonEntity: Name: NameFull: Swanson-Hysell, Nicholas L. – PersonEntity: Name: NameFull: Williams, Wyn IsPartOfRelationships: – BibEntity: Dates: – D: 14 M: 01 Text: 1/14/2025 Type: published Y: 2025 Identifiers: – Type: issn-print Value: 00278424 Numbering: – Type: volume Value: 122 – Type: issue Value: 2 Titles: – TitleFull: Proceedings of the National Academy of Sciences of the United States of America Type: main |
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