Search: onr:"swepub:oai:lup.lub.lu.se:bfce2877-60ab-4521-af1b-c4a381b2018e" >
Sedimentology and S...
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Stack, K. M.California Institute of Technology
(author)
Sedimentology and Stratigraphy of the Shenandoah Formation, Western Fan, Jezero Crater, Mars
- Article/chapterEnglish2024
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LIBRIS-ID:oai:lup.lub.lu.se:bfce2877-60ab-4521-af1b-c4a381b2018e
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https://lup.lub.lu.se/record/bfce2877-60ab-4521-af1b-c4a381b2018eURI
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https://doi.org/10.1029/2023JE008187DOI
Supplementary language notes
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Language:English
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Summary in:English
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Subject category:art swepub-publicationtype
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Subject category:ref swepub-contenttype
Notes
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Sedimentary fans are key targets of exploration on Mars because they record the history of surface aqueous activity and habitability. The sedimentary fan extending from the Neretva Vallis breach of Jezero crater's western rim is one of the Mars 2020 Perseverance rover's main exploration targets. Perseverance spent ∼250 sols exploring and collecting seven rock cores from the lower ∼25 m of sedimentary rock exposed within the fan's eastern scarp, a sequence informally named the “Shenandoah” formation. This study describes the sedimentology and stratigraphy of the Shenandoah formation at two areas, “Cape Nukshak” and “Hawksbill Gap,” including a characterization, interpretation, and depositional framework for the facies that comprise it. The five main facies of the Shenandoah formation include: laminated mudstone, laminated sandstone, low-angle cross stratified sandstone, thin-bedded granule sandstone, and thick-bedded granule-pebble sandstone and conglomerate. These facies are organized into three facies associations (FA): FA1, comprised of laminated and soft sediment-deformed sandstone interbedded with broad, unconfined coarser-grained granule and pebbly sandstone intervals; FA2, comprised predominantly of laterally extensive, soft-sediment deformed laminated, sulfate-bearing mudstone with lenses of low-angle cross-stratified and scoured sandstone; and FA3, comprised of dipping planar, thin-bedded sand-gravel couplets. The depositional model favored for the Shenandoah formation involves the transition from a sand-dominated distal alluvial fan setting (FA1) to a stable, widespread saline lake (FA2), followed by the progradation of a river delta system (FA3) into the lake basin. This sequence records the initiation of a relatively long-lived, habitable lacustrine and deltaic environment within Jezero crater.
Subject headings and genre
Added entries (persons, corporate bodies, meetings, titles ...)
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Ives, L. R.W.California Institute of Technology
(author)
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Gupta, S.Imperial College London
(author)
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Lamb, M. P.California Institute of Technology
(author)
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Tebolt, M.California Institute of Technology,University of Texas at Austin
(author)
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Caravaca, G.National Centre for Space Studies (CNES)
(author)
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Grotzinger, J. P.California Institute of Technology
(author)
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Russell, P.University of California, Los Angeles
(author)
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Shuster, D. L.University of California, Berkeley
(author)
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Williams, A. J.University of Florida
(author)
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Amundsen, H.Vestfonna Geophysical
(author)
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Alwmark, S.Lund University,Lunds universitet,Berggrundsgeologi,Geologiska institutionen,Naturvetenskapliga fakulteten,Lithosphere and Biosphere Science,Department of Geology,Faculty of Science(Swepub:lu)geol-shl
(author)
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Annex, A. M.Johns Hopkins University Krieger School of Arts and Sciences,California Institute of Technology
(author)
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Barnes, R.Imperial College London
(author)
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Bell, J.Arizona State University
(author)
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Beyssac, O.Paris-Sorbonne University
(author)
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Bosak, T.Massachusetts Institute of Technology
(author)
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Crumpler, L. S.New Mexico Museum of Natural History and Science
(author)
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Dehouck, E.Laboratoire de Géologie de Lyon : Terre, Planètes, Environnement (LGLTPE)
(author)
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Gwizd, S. J.California Institute of Technology
(author)
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Hickman-Lewis, K.Natural History Museum, London,University of Bologna
(author)
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Horgan, B. H.N.Purdue University
(author)
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Hurowitz, J.Stony Brook University
(author)
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Kalucha, H.California Institute of Technology
(author)
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Kanine, O.California Institute of Technology
(author)
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Lesh, C.California Institute of Technology,University of California, Los Angeles
(author)
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Maki, J.California Institute of Technology
(author)
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Mangold, N.University of Nantes
(author)
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Randazzo, N.University of Alberta
(author)
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Seeger, C.California Institute of Technology
(author)
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Williams, R. M.E.Planetary Science Institute, Tucson
(author)
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Brown, A.Plancius Research LLC
(author)
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Cardarelli, E.California Institute of Technology,University of California, Los Angeles
(author)
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Dypvik, H.University of Oslo
(author)
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Flannery, D.Queensland University of Technology
(author)
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Frydenvang, J.University of Copenhagen
(author)
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Hamran, S. E.University of Oslo
(author)
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Núñez, J. I.Johns Hopkins University
(author)
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Paige, D.University of California, Los Angeles
(author)
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Simon, J. I.NASA Johnson Space Center
(author)
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Tice, M.Texas A and M University
(author)
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Tate, C.Cornell University
(author)
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Wiens, R. C.Purdue University
(author)
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California Institute of TechnologyImperial College London
(creator_code:org_t)
Related titles
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In:Journal of Geophysical Research: Planets129:22169-9097
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Stack, K. M.
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Ives, L. R.W.
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Gupta, S.
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Lamb, M. P.
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Tebolt, M.
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Caravaca, G.
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Grotzinger, J. P ...
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Russell, P.
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Shuster, D. L.
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Williams, A. J.
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Amundsen, H.
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Alwmark, S.
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Annex, A. M.
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Barnes, R.
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Bell, J.
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Beyssac, O.
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Bosak, T.
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Crumpler, L. S.
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Dehouck, E.
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Gwizd, S. J.
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Hickman-Lewis, K ...
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Horgan, B. H.N.
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Hurowitz, J.
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Kalucha, H.
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Kanine, O.
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Lesh, C.
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Maki, J.
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Mangold, N.
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Randazzo, N.
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Seeger, C.
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Williams, R. M.E ...
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Brown, A.
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Cardarelli, E.
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Dypvik, H.
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Flannery, D.
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Frydenvang, J.
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Hamran, S. E.
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Núñez, J. I.
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Paige, D.
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Simon, J. I.
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Tice, M.
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Tate, C.
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Wiens, R. C.
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