Geophysical and cosmochemical evidence for a volatile-rich Mars

A Khan, PA Sossi, C Liebske, A Rivoldini… - Earth and Planetary …, 2022 - Elsevier
Constraints on the composition of Mars principally derive from chemical analyses of a set of
Martian meteorites that rely either on determinations of their refractory element abundances …

Investigating metallic cores using experiments on the physical properties of liquid iron alloys

A Pommier, PE Driscoll, Y Fei, MJ Walter - Frontiers in Earth Science, 2022 - frontiersin.org
An outstanding goal in planetary science is to understand how terrestrial cores evolved to
have the compositions, thermal properties, and magnetic fields observed today. To achieve …

A thermally conductive Martian core and implications for its dynamo cessation

WP Hsieh, F Deschamps, YC Tsao, T Yoshino… - Science …, 2024 - science.org
Mars experienced a dynamo process that generated a global magnetic field~ 4.3 (or earlier)
to 3.6 billion years ago (Ga). The cessation of this dynamo strongly affected Mars' history …

Stratification in planetary cores by liquid immiscibility in Fe-SH

S Yokoo, K Hirose, S Tagawa, G Morard… - Nature …, 2022 - nature.com
Liquid-liquid immiscibility has been widely observed in iron alloy systems at ambient
pressure and is important for the structure and dynamics in iron cores of rocky planets. While …

Electrical resistivity of liquid Fe to 12 GPa: Implications for heat flow in cores of terrestrial bodies

RE Silber, RA Secco, W Yong, JAH Littleton - Scientific reports, 2018 - nature.com
Electrical and thermal transport properties of liquid Fe under high pressure have important
implications for the dynamics and thermal evolution of planetary cores and the geodynamo …

[HTML][HTML] Unlocking planetesimal magnetic field histories: a refined, versatile model for thermal evolution and dynamo generation

HR Sanderson, JFJ Bryson, CIO Nichols, CJ Davies - Icarus, 2025 - Elsevier
The thermal and magnetic histories of planetesimals provide unique insights into the
formation and evolution of Earth's building blocks. These histories can be gleaned from …

Influence of sulfur on the electrical resistivity of a crystallizing core in small terrestrial bodies

A Pommier - Earth and Planetary Science Letters, 2018 - Elsevier
Electrical experiments were performed on core analogues in the Fe–S system and on FeSi 2
up to 8 GPa and 1850° C in the multi-anvil apparatus. Electrical resistivity was measured …

[HTML][HTML] The direction of core solidification in asteroids: Implications for dynamo generation

KH Dodds, JFJ Bryson, JA Neufeld, RJ Harrison - Icarus, 2025 - Elsevier
Paleomagnetic studies of meteorites over the past two decades have revealed that the cores
of multiple meteorite parent bodies, including those of certain chondritic groups, generated …

Martian core heat flux: Electrical resistivity and thermal conductivity of liquid Fe at Martian core PT conditions

IC Ezenwa, T Yoshino - Icarus, 2021 - Elsevier
The present-day Mars has no magnetic field which suggests that the heat carried out of its
liquid core is largely driven by conduction. To constrain the heat flux from Martian core, we …

Thermal and dynamo evolution of the lunar core based on the transport properties of Fe‐S‐P alloys

K Zhai, Y Yin, S Zhai - Geophysical Research Letters, 2024 - Wiley Online Library
Paleomagnetic analyses have suggested that the lunar magnetic field underwent a
significant change from 4.25 to 3.19 Ga, indicating the rapid transition of the lunar dynamo …