101 geodynamic modelling: How to design, carry out, and interpret numerical studies

I van Zelst, F Crameri, AE Pusok, A Glerum… - Solid Earth …, 2021 - se.copernicus.org
Geodynamic modelling provides a powerful tool to investigate processes in the Earth's crust,
mantle, and core that are not directly observable. However, numerical models are inherently …

[HTML][HTML] 101 geodynamic modelling: how to design, interpret, and communicate numerical studies of the solid Earth

I Van Zelst, F Crameri, AE Pusok, A Glerum… - Solid Earth, 2022 - se.copernicus.org
Geodynamic modelling provides a powerful tool to investigate processes in the Earth's crust,
mantle, and core that are not directly observable. However, numerical models are inherently …

A giant impact origin for the first subduction on Earth

Q Yuan, M Gurnis, PD Asimow… - Geophysical Research …, 2024 - Wiley Online Library
Hadean zircons provide a potential record of Earth's earliest subduction 4.3 billion years
ago. It remains enigmatic how subduction could be initiated so soon after the presumably …

Vastly different heights of LLVPs caused by different strengths of historical slab push

Q Yuan, M Li - Geophysical Research Letters, 2022 - Wiley Online Library
Two large low velocity provinces (LLVPs) are observed in Earth's lower mantle, beneath
Africa and the Pacific Ocean, respectively. The maximum height of the African LLVP is∼ …

Influence of composition-dependent thermal conductivity on the long-term evolution of primordial reservoirs in Earth's lower mantle

Y Li, F Deschamps, Z Shi, JM Guerrero… - Earth, Planets and …, 2022 - Springer
The influence of composition-dependent thermal conductivity and heterogeneous internal
heating of primordial dense material on the long-term evolution of primordial reservoirs in …

The stability of dense oceanic crust near the core‐mantle boundary

J Panton, JH Davies, R Myhill - Journal of Geophysical …, 2023 - Wiley Online Library
The large low‐shear‐velocity provinces (LLSVPs) are thought to be thermo‐chemical in
nature, with recycled oceanic crust (OC) being a contender for the source of the chemical …

The combined effect of heterogeneous thermal conductivity, chemical density contrast, and heat-producing element enrichment on the stability of primordial reservoirs …

JM Guerrero, F Deschamps, WP Hsieh… - Earth and Planetary …, 2024 - Elsevier
Earth's deep mantle hosts continental-scale enigmatic structures whose origin,
characteristics, and fate are uncovered by advances in tomographic modeling, geochemical …

Influence of grain size evolution on mantle plume and LLSVP dynamics

Y Liu, T Yang, K Wang, X Wang… - Geochemistry, Geophysics …, 2024 - Wiley Online Library
Recent seismic tomography models suggest large‐radius primary plumes originating from
the core‐mantle boundary, with grain size variations potentially explaining these …

Ancient stratified thermochemical piles due to high intrinsic viscosity

M Desiderio, MD Ballmer - Geophysical Research Letters, 2024 - Wiley Online Library
Abstract The two Large Low Velocity Provinces (LLVPs) in the lowermost Earth mantle are
thought to affect large‐scale heat and material transport, governing mantle evolution. LLVPs …

Onset of plate motion in the presence of chemical heterogeneities in the mantle and the effect of mantle temperature

C Stein, U Hansen - Journal of Geophysical Research: Solid …, 2024 - Wiley Online Library
Chemical heterogeneities of various origins have been observed in the Earth's mantle. Their
assumed higher density acts on the style of mantle convection and therefore, as tectonic …