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Cooling rates of chondrules from diffusion profiles in relict olivine grains

Stockdale, Shannon; Franchi, Ian; Morgan, Dan; Anand, Mahesh and Grady, Monica (2018). Cooling rates of chondrules from diffusion profiles in relict olivine grains. In: European Planetary Science Congress 2018, 16-21 Sep 2018, Berlin, Germany.

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Abstract

Chondrule cooling rates are one of the important constraints on chondrule formation and can be used to distinguish between different chondrule formation mechanisms. Here we have modelled diffusion profiles observed across the boundary between forsteritic-olivine relict grains and more fayalitic overgrowth. We show that the cooling of chondrules is complex and good model fits are produced with non-linear cooling rates, offering additional scope for constraining the origin of chondrules.

Item Type: Conference or Workshop Item
Project Funding Details:
Funded Project NameProject IDFunding Body
STFC DTG 2015 - 2016 (2015 Intake)ST/N50421X/1STFC (Science & Technology Facilities Council)
Academic Unit/School: Faculty of Science, Technology, Engineering and Mathematics (STEM) > Physical Sciences
Faculty of Science, Technology, Engineering and Mathematics (STEM)
Research Group: Space
Item ID: 62214
Depositing User: Shannon Stockdale
Date Deposited: 01 Jul 2019 09:07
Last Modified: 02 Jul 2019 04:52
URI: http://oro.open.ac.uk/id/eprint/62214
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