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SUMMARY:Shock generated pressure-temperature excursions in planetary mater
 ials - Dr J G Spray\, Planetary and Space Science Centre\, University of N
 ew Brunswick\, Canada
DTSTART:20070508T130000Z
DTEND:20070508T140000Z
UID:TALK7117@talks.cam.ac.uk
CONTACT:Stephen Walley
DESCRIPTION:Hypervelocity impact is a fundamental process in planet buildi
 ng and modification. The prevalence of heterogeneous materials (different 
 minerals) as impact targets facilitates complicated shock wave - solid pha
 se interactions. This can lead to locally enhanced pressures and temperatu
 res (excursions) due to natural shock amplification mechanisms. Evidence i
 s presented of these effects in lunar\, martian and terrestrial materials.
LOCATION:Mott Seminar Room\, Cavendish Laboratory\, Department of Physics
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