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SUMMARY:Implications of Holocene cryptotephra records in North America - L
 auren Davies\, University of Alberta
DTSTART:20200219T130000Z
DTEND:20200219T140000Z
UID:TALK139990@talks.cam.ac.uk
CONTACT:Céline Marie Vidal
DESCRIPTION:Records of far-travelled volcanic ash\, not visible to the nak
 ed eye but detectable in sediment records\, have expanded in North America
  over the past 12 years. Analyses of ash transported from volcanic source 
 regions over 1000s of km away\, including Kamchatka\, Alaska and central A
 merica\, provide detailed data across the Holocene that can be utilised fo
 r many purposes. This seminar will touch on what records have been produce
 d\, some practical lessons learnt about undertaking this work in North Ame
 rica\, and implications of the new datasets for other research topics\, in
 cluding eruptive histories\, atmospheric circulation and independently ass
 essing modern chronostratigraphies.
LOCATION:Harker II\, Department of Earth Sciences
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