Volatiles and volcanic vigour
|Starts:||13:00 21 Feb 2018|
|Ends:||14:00 21 Feb 2018|
|What is it:||Seminar|
|Organiser:||Department of Earth and Environmental Sciences|
|Who is it for:||University staff, Adults, Alumni, Current University students, General public|
Join Terry Plank from Columbia University as she discusses magma ascent prior to volcanic eruptions.
What causes some eruptions to be more explosive than others? Is it the total driving gas fuel, or how fast the gas escapes?
This talk examines both the volatile content and the speed of magma ascent immediately prior to eruption. Chemical zonation preserved inside glass pockets and crystals provides some of the fastest clocks in geology; these timescales of chemical diffusion operate over minutes to hours in the run-up to eruption.
This seminar is open to all, with tea and coffee served in the lobby on the first floor of the Williamson Building from 12.30pm.
Organisation: Columbia University
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