HIGH-PRECISION SILICON ISOTOPE RATIO MEASUREMENTS OF EARTH AND ENSTATITIC METEORITES AND IMPLICATIONS FOR Si ISOTOPE FRACTIONATION DURING CORE FORMATION

Abstract

Introduction: Core formation processes in planets may impart stable isotope ratio signatures on the bulk silicate Earth due to partitioning between the metallic core and silicate [1]. Enstatite chondrites (E-chondrites) are the only primitive meteorite group with stable oxygen isotope compositions similar to Earth [2]. The Echondrites also possess a metal… (More)

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