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Detailed geological mapping of the fluvial deposits in Magong crater, Xanthe Terra, Mars

Knade, Julius and Hauber, Ernst and Platz, Thomas and Le Deit, L. and Kinch, K. (2017) Detailed geological mapping of the fluvial deposits in Magong crater, Xanthe Terra, Mars. European Planetary Science Congress 2017, 17–22 September, 2017, Riga, Lettland.

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Official URL: http://meetingorganizer.copernicus.org/EPSC2017/EPSC2017-692-1.pdf

Abstract

We present a detailed geological map of Magong Crater in Xanthe Terra, Mars. The ancient crater is situated at the terminus of Sabrina Vallis and hosts sedimentary deposits that were transported through this long and deeply incised valley. The sediments may represent a delta or, alternatively, an alluvial fan. Weak signatures of Fe/Mg-bearing phyllosilicates were detected in the central delta cliff section. A long and narrow, NE-trending topographic ridge is interpreted as a partially exhumed dyke. Numerous ~1 m-thick dark patches are distributed over the entire crater floor and may be remnants of a formerly continuous blanket of volcanic tephra or ash. The overall age of the aqueous sediments is dated to the Late Noachian/Early Hesperian epochs. This applies also to the surrounding highland materials. Highresolution images of the crater floor show a heterogeneous morphology, featuring a large variety of degraded craters and ejecta blankets, honeycomblike depressions and polygonal fractures similar to mud cracks. Apart from the sedimentary deposits, the crater floor is very flat and meets the geological and technical criteria for a future possible landing site.

Item URL in elib:https://elib.dlr.de/116457/
Document Type:Conference or Workshop Item (Speech)
Title:Detailed geological mapping of the fluvial deposits in Magong crater, Xanthe Terra, Mars
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Knade, Juliusbeuth hochschule für technik (germany)UNSPECIFIED
Hauber, Ernsternst.hauber (at) dlr.dehttps://orcid.org/0000-0002-1375-304X
Platz, Thomasmax planck institut für sonnensystemforschungUNSPECIFIED
Le Deit, L.université de nantes, laboratoire de planétologie et géodynamiqueUNSPECIFIED
Kinch, K.niels bohr institute, university of copenhagen, copenhagen, denmarkUNSPECIFIED
Date:2017
Refereed publication:No
Open Access:No
In DOAJ:No
In SCOPUS:No
In ISI Web of Science:No
Volume:11
Page Range:EPSC2017-692
Series Name:EPSC Abstracts
Status:Published
Keywords:Mars, sedimentation, delta, layering, water
Event Title:European Planetary Science Congress 2017
Event Location:Riga, Lettland
Event Type:international Conference
Event Dates:17–22 September, 2017
Organizer:Europlanet Consortium
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Science and Exploration
DLR - Research area:Raumfahrt
DLR - Program:R EW - Erforschung des Weltraums
DLR - Research theme (Project):Project MARS-EXPRESS / HRSC
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Planetary Geology
Deposited By: Hauber, Ernst
Deposited On:01 Dec 2017 08:38
Last Modified:01 Dec 2017 08:38

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