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Constraints on the Martian Core Dynamo: The Magnetic Signature of Apollinaris Patera

Morschhauser, A. and Vervelidou, F. and Lillis, R. and Dufek, J. and Grott, M. and Lesur, V. (2016) Constraints on the Martian Core Dynamo: The Magnetic Signature of Apollinaris Patera. In: Fall Meeting of the American Geophysical Union 2016. AGU Fall Meeting 2016, San Francisco.

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Abstract

Most plausibly, the magnetic field of Mars results from magnetic rocks which obtained their magnetization in the presence of a core dynamo. However, it is disputed how long this core dynamo was active: The magnetic signatures of large impact craters and of some volcanoes are consistent with a shutdown in the Noachian period [1-2], whereas the study of paleopoles and the magnetic imprint of some other volcanoes suggest an active core dynamo in the Hesperian [3-5]. The strongest argument for the latter interpretation is based on the magnetic signature of the volcano Apollinaris Patera. Here, we challenge this interpretation by investigating the magnetic field at lower altitudes.

Item URL in elib:https://elib.dlr.de/109030/
Document Type:Conference or Workshop Item (Poster)
Title:Constraints on the Martian Core Dynamo: The Magnetic Signature of Apollinaris Patera
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Morschhauser, A.achim.morschhauser (at) dlr.deUNSPECIFIED
Vervelidou, F.german research centre for geosciences, behlertstrasse 3, 14667 potsdam, germanyUNSPECIFIED
Lillis, R.uc berkeley space sciences laboratory, berkeley, usaUNSPECIFIED
Dufek, J.Georgia Institute of TechnologyUNSPECIFIED
Grott, M.matthias.grott (at) dlr.deUNSPECIFIED
Lesur, V.gfz potsdamUNSPECIFIED
Date:December 2016
Journal or Publication Title:Fall Meeting of the American Geophysical Union 2016
Refereed publication:No
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:Mars, Magnetfeld, Dynamo
Event Title:AGU Fall Meeting 2016
Event Location:San Francisco
Event Type:international Conference
Organizer:AGU
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):R - Projekt InSight
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Planetary Physics
Deposited By: Grott, Dr.rer.nat. Matthias
Deposited On:15 Dec 2016 08:30
Last Modified:15 Dec 2016 08:30

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