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Element partitioning between Magnesium Silicate Perovskite and Ferropericlase: New insights into bulk lower-mantle geochemistry

Date

Authors

Auzende, Anne-Line

Badro, James

Ryerson, Frederick

Weber, Peter K.

Fallon, Stewart

Addad, Ahmed

Siebert, Julian

Fiquet, Guillaume

Publisher

Elsevier

Abstract

In this study, we investigated iron-magnesium exchange and transition-metal trace-element partitioning between magnesium silicate perovskite (Mg,Fe)SiO3 and ferropericlase (Mg,Fe)O synthetised under lower-mantle conditions (up to 115 GPa and 2200 K) in

Keywords

Keywords: Ferropericlase; Iron partitioning; Magnesium silicate perovskite; Focused ion beams; Nanoparticles; Perovskite; Phase transitions; Silicates; Transmission electron microscopy; Analytical geochemistry; diamond anvil cell; geochemistry; laser; lower mantle; ATEM; ferropericlase; high pressure; iron partitioning; laser-heated diamond anvil cell; nanoSIMS; perovskite; post-perovskite

URI

http://hdl.handle.net/1885/31436

Collections

Open Access Research

Source

Earth and Planetary Science Letters

Type

Journal article

DOI

10.1016/j.epsl.2008.02.001

Restricted until

2037-12-31

Downloads

File

Description

01_Auzende_Element_partitioning_between_2008.pdf (1.39 MB)