Pb isotope evidence for rapid accretion and differentiation of planetary embryos
Abstract
Group IVA iron and siliate-iron meteorites record a large range of cooling rates attributed to an impact-related disruption of a molten and differentiated ca. 1000 km diameter planetary embryo of chondritic composition before re-accretion of mainly the metallic core with minor silicates. To better understand the timing of primary accretion, disruption, re-accretion and cooling of the Group IVA parent body, we have determined Pb-Pb and Al-Mg ages...
Paper Details
Title
Pb isotope evidence for rapid accretion and differentiation of planetary embryos
Published Date
Nov 1, 2019
Volume
525
Pages
115722 - 115722
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