Paleo-pole positions from martian magnetic anomaly data

Details Paleo-pole positions from martian magnetic anomaly data Paleo-pole positions from martian magnetic anomaly data

Dec 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004icar..172..316f&link_type=abstract

Icarus, Volume 172, Issue 2, p. 316-327.

Computer Science

12

Scientific paper

Magnetic component anomaly maps were made from five mapping cycles of the Mars Global Surveyor's magnetometer data. Our goal was to find and isolate positive and negative anomaly pairs which would indicate magnetization of a single source body. From these anomalies we could compute the direction of the magnetizing vector and subsequently the location of the magnetic pole existing at the time of magnetization. We found nine suitable anomaly pairs and from these we computed paleo-poles that were nearly equally divided between north, south and mid-latitudes. These results suggest that during the existence of the martian main magnetic field it experienced several reversals and excursions.

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