Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1999
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999baas...31.1584a&link_type=abstract
American Astronomical Society, DPS Meeting #31, late abstracts, #59.07; Bulletin of the American Astronomical Society, Vol. 31,
Astronomy and Astrophysics
Astronomy
1
Scientific paper
The discovery by Mars Global Surveyor of strongly magnetized, linearly structured areas of the Martian crust poses new and unsolved challenges concerning the formation and thermal evolution of the planet, its internal dynamo and the physical/chemical processes responsible for the observed intense magnetization. Crustal magnetism at Mars exceeds by more than an order of magnitude that observed at Earth and extends over thousands of Km. Available Earth-based models cannot account at present for the observed extent and intensity of the Martian crust. Although single domain magnetite mineralogy can in principle account for the observed intensity, it is difficult to reconcile the large volume required to explain the Mars observations with their terrestrial counterparts. This presentation will focus on the latest results of analyses, laboratory work and models of selected crustal regions exhibiting strong magnetization.
Acuña Mario Humberto
Connerney Jack E. P.
Kletetschka Gunther
Lin Runliang
Mitchell Dana D.
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