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      Ground penetrating radar observations of subsurface structures in the floor of Jezero crater, Mars

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          Abstract

          The Radar Imager for Mars Subsurface Experiment instrument has conducted the first rover-mounted ground-penetrating radar survey of the Martian subsurface. A continuous radar image acquired over the Perseverance rover’s initial ~3-kilometer traverse reveals electromagnetic properties and bedrock stratigraphy of the Jezero crater floor to depths of ~15 meters below the surface. The radar image reveals the presence of ubiquitous strongly reflecting layered sequences that dip downward at angles of up to 15 degrees from horizontal in directions normal to the curvilinear boundary of and away from the exposed section of the Séitah formation. The observed slopes, thicknesses, and internal morphology of the inclined stratigraphic sections can be interpreted either as magmatic layering formed in a differentiated igneous body or as sedimentary layering commonly formed in aqueous environments on Earth. The discovery of buried structures on the Jezero crater floor is potentially compatible with a history of igneous activity and a history of multiple aqueous episodes.

          Abstract

          Abstract

          Ground-penetrating radar images reveal subsurface structures in the floor of Jezero crater on Mars.

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          Most cited references48

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          Electrical properties of rocks and their significance for lunar radar observations

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            Mars 2020 Mission Overview

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              Fluvial sedimentary deposits on Mars: Ancient deltas in a crater lake in the Nili Fossae region

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                Author and article information

                Contributors
                Role: ConceptualizationRole: Data curationRole: Formal analysisRole: Funding acquisitionRole: InvestigationRole: MethodologyRole: Project administrationRole: ResourcesRole: SoftwareRole: SupervisionRole: ValidationRole: VisualizationRole: Writing - original draftRole: Writing - review & editing
                Role: ConceptualizationRole: Data curationRole: Formal analysisRole: Funding acquisitionRole: InvestigationRole: MethodologyRole: Project administrationRole: SupervisionRole: VisualizationRole: Writing - original draftRole: Writing - review & editing
                Role: InvestigationRole: MethodologyRole: VisualizationRole: Writing - original draftRole: Writing - review & editing
                Role: ConceptualizationRole: InvestigationRole: MethodologyRole: VisualizationRole: Writing - original draft
                Role: Data curationRole: Formal analysisRole: Project administrationRole: Software
                Role: Data curationRole: Formal analysisRole: InvestigationRole: ResourcesRole: SoftwareRole: Validation
                Role: ConceptualizationRole: Writing - review & editing
                Role: ConceptualizationRole: Data curationRole: Formal analysisRole: InvestigationRole: MethodologyRole: SoftwareRole: ValidationRole: VisualizationRole: Writing - original draftRole: Writing - review & editing
                Role: ConceptualizationRole: Data curationRole: MethodologyRole: SoftwareRole: Validation
                Role: ConceptualizationRole: Formal analysisRole: InvestigationRole: MethodologyRole: VisualizationRole: Writing - original draftRole: Writing - review & editing
                Role: Data curationRole: Formal analysisRole: InvestigationRole: MethodologyRole: ResourcesRole: SoftwareRole: ValidationRole: Visualization
                Role: InvestigationRole: Writing - review & editing
                Role: ConceptualizationRole: Funding acquisitionRole: InvestigationRole: Writing - review & editing
                Role: ConceptualizationRole: InvestigationRole: ValidationRole: Writing - review & editing
                Role: ConceptualizationRole: InvestigationRole: MethodologyRole: Writing - review & editing
                Role: InvestigationRole: Writing - review & editing
                Role: ConceptualizationRole: Formal analysisRole: ValidationRole: Writing - review & editing
                Role: ConceptualizationRole: InvestigationRole: Writing - original draft
                Role: ConceptualizationRole: Funding acquisitionRole: InvestigationRole: MethodologyRole: SoftwareRole: Writing - review & editing
                Role: ConceptualizationRole: Data curationRole: Formal analysisRole: InvestigationRole: MethodologyRole: ResourcesRole: SoftwareRole: ValidationRole: VisualizationRole: Writing - original draftRole: Writing - review & editing
                Journal
                Sci Adv
                Sci Adv
                sciadv
                advances
                Science Advances
                American Association for the Advancement of Science
                2375-2548
                August 2022
                25 August 2022
                : 8
                : 34
                : eabp8564
                Affiliations
                [ 1 ]University of Oslo, Kjeller and Oslo, Norway.
                [ 2 ]University of California, Los Angeles, Los Angeles, CA, USA.
                [ 3 ]Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USA.
                [ 4 ]Vestfonna Geophysical, Trondheim, Norway.
                [ 5 ]University of Arizona, Tucson, AZ, USA.
                [ 6 ]Centro de Astrobiología (CSIC-INTA), Madrid, Spain.
                [ 7 ]Cornell University, Ithaca, NY, USA.
                [ 8 ]Planetary Science Institute, Tucson, AZ, USA.
                [ 9 ]Norwegian Polar Institute, Tromsø, Norway.
                [ 10 ]Technische Universität Dresden, Dresden, Germany.
                Author notes
                [* ]Corresponding author. Email: s.e.hamran@ 123456its.uio.no
                Author information
                https://orcid.org/0000-0002-1078-449X
                https://orcid.org/0000-0002-5897-9659
                https://orcid.org/0000-0002-4601-8068
                https://orcid.org/0000-0003-0488-3763
                https://orcid.org/0000-0003-0061-1867
                https://orcid.org/0000-0002-2938-6010
                https://orcid.org/0000-0002-3173-6630
                https://orcid.org/0000-0003-1963-054X
                https://orcid.org/0000-0001-7973-9585
                https://orcid.org/0000-0002-0937-7176
                https://orcid.org/0000-0001-8229-3932
                https://orcid.org/0000-0002-7940-3931
                Article
                abp8564
                10.1126/sciadv.abp8564
                9410267
                36007008
                aacc2068-8b94-4a81-a14e-56cfeae50f7b
                Copyright © 2022 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).

                This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial license, which permits use, distribution, and reproduction in any medium, so long as the resultant use is not for commercial advantage and provided the original work is properly cited.

                History
                : 02 March 2022
                : 24 May 2022
                Categories
                Research Article
                Earth, Environmental, Ecological, and Space Sciences
                SciAdv r-articles
                Planetary Science
                Custom metadata
                Fritzie Benzon

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