Experimental results on fractionation of the highly siderophile elements (HSE) at variable pressures and temperatures during planetary and magmatic differentiation

JM Brenan, NR Bennett… - Reviews in Mineralogy …, 2016 - pubs.geoscienceworld.org
The platinum-group elements (PGEs; Os, Ir, Ru, Rh, Pt, Pd), along with rhenium and gold,
are grouped together as the highly siderophile elements (HSEs), defined by their extreme …

Carbon in the core: its influence on the properties of core and mantle

BJ Wood, J Li, A Shahar - Reviews in Mineralogy and …, 2013 - pubs.geoscienceworld.org
Earth's core is known to be metallic, with a density of about 9.90 Mg· m− 3 at the coremantle
boundary and as such is substantially denser than the surrounding mantle (5.56 Mg· m− 3 at …

Melting in the Fe–C system to 70 GPa

OT Lord, MJ Walter, R Dasgupta, D Walker… - Earth and Planetary …, 2009 - Elsevier
We determined high-pressure melting curves for Fe3C, Fe7C3 and the Fe–Fe3C eutectic
using laser-heated diamond anvil cell techniques. The principal criterion for melting is the …

Iron carbide inclusions in lower-mantle diamond from Juina, Brazil

FV Kaminsky, R Wirth - The Canadian Mineralogist, 2011 - pubs.geoscienceworld.org
Iron carbides in association with native iron, graphite, and magnetite were identified in a
crystal of diamond from the Juina area, Brazil, that contains a series of other, deep-mantle …

Experimental study and thermodynamic calculations of phase relations in the Fe–C system at high pressure

Y Fei, E Brosh - Earth and Planetary Science Letters, 2014 - Elsevier
We have conducted a series of melting experiments in the Fe–C system at pressures up to
25 GPa in the temperature range of 1473–2073 K. The results define the phase relations at …

Origin of the superchondritic carbon/nitrogen ratio of the bulk silicate Earth–an outlook from iron meteorites

DS Grewal, PD Asimow - Geochimica et Cosmochimica Acta, 2023 - Elsevier
Disagreement regarding the origin of the bulk silicate Earth's (BSE) superchondritic
carbon/nitrogen (C/N) ratio is due, in part, to the unknown C/N ratios of differentiated …

High-pressure melting relations in Fe–C–S systems: Implications for formation, evolution, and structure of metallic cores in planetary bodies

R Dasgupta, A Buono, G Whelan, D Walker - Geochimica et Cosmochimica …, 2009 - Elsevier
We present new high-pressure temperature experiments on melting phase relations of Fe–C–
S systems with applications to metallic core formation in planetary interiors. Experiments …

Iron snow, crystal floats, and inner-core growth: modes of core solidification and implications for dynamos in terrestrial planets and moons

D Breuer, T Rueckriemen, T Spohn - Progress in Earth and Planetary …, 2015 - Springer
Recent planetary space missions, new experimental data, and advanced numerical
techniques have helped to improve our understanding of the deep interiors of the terrestrial …

Melting experiments on the Fe–C binary system up to 255 GPa: Constraints on the carbon content in the Earth's core

I Mashino, F Miozzi, K Hirose, G Morard… - Earth and Planetary …, 2019 - Elsevier
Phase relations, including the eutectic liquid composition in the Fe–C binary system, remain
unclear under the core pressure range, which makes estimating the carbon budget in the …

182W and 187Os constraints on the origin of siderophile isotopic heterogeneity in the mantle

RJ Walker, A Mundl-Petermeier, IS Puchtel… - … et Cosmochimica Acta, 2023 - Elsevier
Major and trace element abundances, including highly siderophile elements, and 187 Os
and 182 W isotopic compositions were determined for ca. 89 Ma mafic and ultramafic rocks …