Evidence for Glaciovolcanic, Phreatomagmatic Tuff Dominated Ridges at Pavonis Mons, Mars

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dc.contributor.authorScanlon, Kat
dc.contributor.authorGarry, W. Brent
dc.contributor.authorHead, James W.
dc.date.accessioned2024-08-20T13:45:13Z
dc.date.available2024-08-20T13:45:13Z
dc.date.issued2024-07-23
dc.description.abstractHiRISE images and digital elevation models (DEMs) of outcrops in candidate Martian glaciovolcanoes provide more detailed evidence for glaciovolcanic processes than has previously been available for Mars. A group of ridges in the Pavonis Mons fan-shaped glacial deposit features pervasive layering, evidence for local collapse and slumping, and steeper faces in the direction of paleoglacier flow inferred from other features in the deposit. After comparison with terrestrial analogs, we conclude that these ridges are excellent candidates for tephra-dominated tindar, formed in phreatomagmatic subglacial eruptions. The englacial meltwater lakes required for a phreatomagmatic origin represent a rare example of voluminous surface water bodies in the Late Amazonian of Mars.
dc.description.sponsorshipWe sincerely thank Catherine Gallagher and John Smellie for thought?provoking and constructive reviews. KES enthusiastically thanks Sarah Sutton for SOCET SET instruction and refining the DEM used in this work; Alastair Hodgetts for insightful discussions; and the NASA Postdoctoral Program, administered by ORAU, for funding this research.
dc.description.urihttps://onlinelibrary.wiley.com/doi/abs/10.1029/2024GL108269
dc.format.extent9 pages
dc.genrejournal articles
dc.identifierdoi:10.13016/m20w5d-f45a
dc.identifier.citationScanlon, Kathleen E., W. Brent Garry, and James W. Head. “Evidence for Glaciovolcanic, Phreatomagmatic Tuff Dominated Ridges at Pavonis Mons, Mars.” Geophysical Research Letters 51, no. 14 (2024): e2024GL108269. https://doi.org/10.1029/2024GL108269.
dc.identifier.urihttps://doi.org/10.1029/2024GL108269
dc.identifier.urihttp://hdl.handle.net/11603/35702
dc.language.isoen_US
dc.publisherAGU
dc.relation.isAvailableAtThe University of Maryland, Baltimore County (UMBC)
dc.relation.ispartofUMBC Faculty Collection
dc.relation.ispartofUMBC Center for Space Sciences and Technology (CSST) / Center for Research and Exploration in Space Sciences & Technology II (CRSST II)
dc.rightsThis work was written as part of one of the author's official duties as an Employee of the United States Government and is therefore a work of the United States Government. In accordance with 17 U.S.C. 105, no copyright protection is available for such works under U.S. Law.
dc.rightsPublic Domain
dc.rights.urihttps://creativecommons.org/publicdomain/mark/1.0/
dc.subjectvolcanism
dc.subjectglaciovolcanism
dc.subjectvolcano-ice interactions
dc.subjectphreatomagmatism
dc.subjectMars
dc.subjectLate Amazonian
dc.titleEvidence for Glaciovolcanic, Phreatomagmatic Tuff Dominated Ridges at Pavonis Mons, Mars
dc.typeText
dcterms.creatorhttps://orcid.org/0009-0001-6425-841X

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