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The Evolution of Juventae Chasma, Valles Marineris, Mars: Progressive collapse and sedimentation

Fueten, Frank and Novakovic, N. and Stesky, Robert and Flahaut, J. and Hauber, Ernst and Rossi, A.P. (2017) The Evolution of Juventae Chasma, Valles Marineris, Mars: Progressive collapse and sedimentation. Journal of Geophysical Research: Planets, 122. Wiley. doi: 10.1002/2017JE005334. ISSN 2169-9097.

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Official URL: http://onlinelibrary.wiley.com/doi/10.1002/2017JE005334/full


Juventae Chasma is an isolated chasm located north of the interconnected chasms within Valles Marineris. It contains four separate interior layered deposit (ILD) mounds. We have combined layer measurements, as well as mineralogical data of the mounds with topographic data of the remaining chasm and the surrounding plateau. Our observations indicate that the chasm underwent a complex geological history. We suggest that individual ILD mounds are not contemporaneous with each other and a series of progressive collapses enlarged an initially smaller chasm to its current shape. ILDs were deposited in a lacustrine setting, and the time of ILD deposition was limited. Basin collapse and chasm enlargement continued beyond the time of ILD deposition and thus were not driven by sediment load. Glacial processes appear to have played a role in the late, postlacustrine history of the chasm. We present a simplified model that highlights some of the complexity of the chasm evolution, but acknowledge that the true history is undoubtedly more complicated.

Item URL in elib:https://elib.dlr.de/116417/
Document Type:Article
Title:The Evolution of Juventae Chasma, Valles Marineris, Mars: Progressive collapse and sedimentation
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Fueten, Frankdepartment of earth sciences, brock university, st. catharines, ontario, canadaUNSPECIFIEDUNSPECIFIED
Novakovic, N.department of earth sciences, brock university, st. catherines, ontario, canadaUNSPECIFIEDUNSPECIFIED
Stesky, Robertpangaea scientificUNSPECIFIEDUNSPECIFIED
Flahaut, J.laboratoire de géologie de lyon, ecole normale supérieure de lyon, lyon, université lyon 1, franceUNSPECIFIEDUNSPECIFIED
Hauber, ErnstUNSPECIFIEDhttps://orcid.org/0000-0002-1375-304XUNSPECIFIED
Rossi, A.P.jacobs university bremenUNSPECIFIEDUNSPECIFIED
Journal or Publication Title:Journal of Geophysical Research: Planets
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
Keywords:Mars, tectonism, Sedimentation, water, Valles Marineris
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Exploration
DLR - Research area:Raumfahrt
DLR - Program:R EW - Space Exploration
DLR - Research theme (Project):R - Project Mars Express HRSC (old)
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Planetary Geology
Deposited By: Hauber, Ernst
Deposited On:30 Nov 2017 14:52
Last Modified:28 Feb 2023 14:56

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