There is ample evidence that Europa is currently geologically active. Crater counts suggest that the surface is no more than 90 Myr old, and cryovolcanism may have played a role in resurfacing the satellite in recent geological times. Europa's surface exhibits many putative cryovolcanic features, and previous investigations have suggested that a number of domes imaged by the Galileo spacecraft may be volcanic in origin. Consequently, several Europa domes have been modeled as viscous effusions of cryolava. However, previous models for the formation of silicic domes on the terrestrial planets contain fundamental shortcomings. Many of these shortcomings have been alleviated in our new modeling approach, which warrants a re-assessment of the possibility of cryovolcanic domes on Europa.


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    Title :

    Rheology of Lava Flows on Europa and the Emergence of Cryovolcanic Domes


    Contributors:

    Conference:

    Lunar and Planetary Science Conference ; 2015 ; Houston, TX, United States


    Publication date :

    2015-03-16


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English