Abstract
In the Preplanetary dust cloud, particle adhesion and aggregation Would have been most effective for magnetic grains. Enrichment of iron in the region of the inner planets could have occurred by a particle-size fractionation, the outward dispersal of small, metal-poor aggregates leaving behind only the larger aggregates enriched in magnetic particles of iron.
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HARRIS, P., TOZER, D. Fractionation of Iron in the Solar System. Nature 215, 1449–1451 (1967). https://doi.org/10.1038/2151449a0
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DOI: https://doi.org/10.1038/2151449a0
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