Why the lowlands of Mars are concentrated in the Northern Hemisphere and the highlands in the Southern Hemisphere is probably the most fundamental unsolved problem in martian geology. No explanation that accounts both for this asymmetric distribution and for the isostatic equilibrium across the scarp or sloping transition zone dividing the two provinces has been generally accepted; thinning of the lithosphere in the northern hemisphere by internal processes has been suggested. Because other lowland-highland distributions on Mars, Moon, and Mercury are controlled by impact basins, it is proposed that a giant basin formed early in Mars' history has caused the martian hemispheric dichotomy as well.


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    Title :

    The Borealis Basin of Mars


    Contributors:


    Publication date :

    1984-04-01


    Type of media :

    Preprint


    Type of material :

    No indication


    Language :

    English




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    Parker, T. J. / Gorsline, D.-S. / Lunar and Planetary Institute| National Aeronautics and Space Administration| Universities Space Research Association | British Library Conference Proceedings | 1994


    Apron Heights Around "Stepped Massifs" in the Borealis Basin of Mars

    Parker, T. J. / Gorsline, D. S. / Lunar and Planetary Institute et al. | British Library Conference Proceedings | 1994



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