BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Talks.cam//talks.cam.ac.uk//
X-WR-CALNAME:Talks.cam
BEGIN:VEVENT
SUMMARY:Volcanoes where the Earth rips apart: basaltic processes in the Et
 hiopian Rift - Dr Kevin Wong\, University of Bologna
DTSTART:20230306T180000Z
DTEND:20230306T190000Z
UID:TALK196423@talks.cam.ac.uk
CONTACT:Buck Blake
DESCRIPTION:'Continental rifting is the means by which strong continents a
 re faulted\, weakened\, and ruptured to form new ocean basins. This proces
 s is accompanied by significant seismicity and often the intrusion of mant
 le-derived magmas into the crust. Understanding the relationship between m
 agmatism and extension in rifts is important if we want to develop new mod
 els of tectonic evolution that account for the effects of magma intrusion 
 during the rifting process.\n\n'During my PhD I have investigated the magm
 atic character of basaltic magmatism in the late-stage Main Ethiopian Rift
  (MER)\, the northernmost sector of the East African Rift System\, by look
 ing at olivine crystals. A mineral that crystallises early in mantle-deriv
 ed basalts\, olivines and the inclusions trapped within them can help us u
 nderstand the nature and character of basaltic processes.\n\n'In my talk I
  present an overview of the fieldwork I performed in Ethiopia and provide 
 a summary of the key findings of my study. I use a toolbox of petrological
  and geochemical methods to demonstrate how hot Ethiopian melts can be gen
 erated by the deep melting of a correspondingly hot mantle. During a perio
 d of active intrusion these melts are focussed into sills within the Ethio
 pian mid-crust and are erupted within a year. My PhD research therefore pr
 ovides petrological ground-truthing for geophysical observations\, which m
 uch be considered in future models of continental rifting.'
LOCATION:Tilley Lecture Theater\, Department of Earth Sciences
END:VEVENT
END:VCALENDAR