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SUMMARY:Magmatism and volcanism on Io: Understanding the interiors of lava
 -worlds - Dan Spencer (University of Oxford)
DTSTART:20191021T170000Z
DTEND:20191021T180000Z
UID:TALK129925@talks.cam.ac.uk
CONTACT:Natalie Forrest
DESCRIPTION:Jupiter’s moon Io is the most volcanically active body in th
 e solar system\, and is part of a growing class of discovered ‘lava-worl
 ds’. These lava-worlds are typically assumed to have interiors dominated
  by convection. For Io\, however\, this is inconsistent with the observed 
 surface heat flux. We present a model of coupled magmatism and volcanism s
 howing that removal of tidal heat from Io’s mantle occurs predominantly 
 by magmatic segregation. The mode and spatial variability of volcanoes on 
 lava-worlds exerts a strong control on crustal thickness and interior melt
  fractions\, whilst reducing the drive for mantle convection and precludin
 g plate tectonics.
LOCATION: Harker 1\, Department of Earth Sciences\, Downing Street
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