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SUMMARY:Core formation on Earth and Mars - Rebecca Fisher (Harvard Univers
 ity)
DTSTART:20210428T150000Z
DTEND:20210428T160000Z
UID:TALK159028@talks.cam.ac.uk
CONTACT:Sam Wimpenny
DESCRIPTION:	The terrestrial planets accreted in a series of increasingly 
 large and violent impacts\, which caused large-scale melting of the mantle
 . This allowed the core to segregate during accretion\, undergoing high pr
 essure\, high temperature metal–silicate partitioning reactions that set
  the modern-day compositions of the core and mantle. This talk will presen
 t a model of Earth’s core formation\, which builds upon a suite of N-bod
 y accretion simulations and experimental partitioning data\, with applicat
 ions to the composition of Earth’s core and the core formation process. 
 Modeling of the Hf–W isotopic system will then be discussed\, which can 
 place tighter constraints on the core formation process in the Earth. Fina
 lly\, a model of Martian core formation will be presented\, which can be u
 sed to compare and contrast this process on the two planets. 
LOCATION:ONLINE - Details to be sent by email
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