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SUMMARY:Mt Erebus\, Antarctica\; Understanding the world's southernmost ac
 tive volcano - Yves Moussalllam
DTSTART:20130530T121000Z
DTEND:20130530T130000Z
UID:TALK41506@talks.cam.ac.uk
CONTACT:Sven Friedemann
DESCRIPTION:Mt Erebus\, the world southernmost active volcano represent a 
 unique natural laboratory to study the dynamic of magma in the near surfac
 e. In the crater of this ~4 km high volcano is a persistently active lake 
 of molten 960°C lava periodically perturbed by Strombolian eruptions. A p
 eculiar feature of this lava is the presence of very large crystals up to 
 7 cm long. These crystals display two interesting properties: perfect grow
 th zoning and large inclusions of fossilised melt pocket. By comparing the
  natural crystals to synthetic ones grown in the laboratory we can decode 
 the information locked in each crystal and track back its history of circu
 lation up and down the magmatic conduit.
LOCATION:1 Newnham Terrace\, Darwin College
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