Modeling gravity and magnetic field anomalies at Tyrrhenus Mons and Syrtis Major, Mars: Evidence for polar wander, excursions, and the death of the dynamo

Details Modeling gravity and magnetic field anomalies at Tyrrhenus Mons and Syrtis Major, Mars: Evidence for polar wander, excursions, and the death of the dynamo Modeling gravity and magnetic field anomalies at Tyrrhenus Mons and Syrtis Major, Mars: Evidence for polar wander, excursions, and the death of the dynamo

Oct 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011epsc.conf..564m&link_type=abstract

EPSC-DPS Joint Meeting 2011, held 2-7 October 2011 in Nantes, France. http://meetings.copernicus.org/epsc-dps2011, p.564

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Scientific paper

We model a collection of correlated gravity and magnetic anomalies distributed throughout the areas surrounding Tyrrhenus Mons and Syrtis Major, Mars. Our work differs from past studies in that we model a large number of magnetic anomalies, including relatively small anomalies and those that are contiguous with other anomalies. We select only anomalies that also have gravity signatures, which we use as inputs to the magnetic analysis to reduce the non-uniqueness in the horizontal position of the magnetic source. In contrast, most other studies have focused on the largest, most isolated magnetic anomalies. Our motivation is to attempt to constrain the continuous history of the magnetic field as recorded in the crust and to do so in a statistically robust manner.

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