Prolonged early migration of dust from the inner Solar System to the comet-forming region

Earth and Planetary Science Letters（2022）

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摘要

•We present olivine compositions from uequilibrated ordinary chondrites (UOCs).•UOC chondrule olivine compositionally matches olivine thought unique to comets.•UOC olivine migrated from the inner Solar System to the outer comet-forming region.•Outward migration occurred between 1 Myr and ⪆3 Myr after Solar System formation.•Prolonged outward migration of grains was a widespread and important process.

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关键词

migration,chondrite,comet,Jupiter gap,chondrule,protoplanetary disk

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