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SUMMARY:Impact Cratering: From Microstructure to Mass Extinction - Dr Auri
 ol Rae\, University of Cambridge
DTSTART:20220214T180000Z
DTEND:20220214T190000Z
UID:TALK170348@talks.cam.ac.uk
CONTACT:Eloise Matthews
DESCRIPTION:"Impacts are a ubiquitous planetary and geological process\; a
 ffecting the growth of planets in the early solar system\, processing plan
 etary surfaces\, generating hydrothermal systems and potential ecological 
 niches\, causing mass extinction\, altering planetary atmospheres\, and po
 sing a hazard to present-day civilisation. Studying impact cratering is ch
 allenging because the Earth’s impact record has been severely affected b
 y other geological processes. On other planetary bodies\, the study of imp
 act processes is limited to remote sensing or small sample volumes. Furthe
 rmore\, all of the processes in an impact cratering event cannot be simult
 aneously reproduced by experiments in the laboratory. In this talk\, I wil
 l demonstrate how observational geology\, experimental methods\, and numer
 ical modelling can be used to understand the process and consequences of i
 mpact cratering. This talk will particularly focus of the formation of the
  Chicxulub impact structure\, widely known for its role in the extinction 
 of the non-avian dinosaurs at the end of the Cretaceous period."
LOCATION:Tilley Lecture Theatre\, Department of Earth Sciences\, Downing S
 ite
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