ArticleNature communications2022
Insights into magma ocean dynamics from the transport properties of basaltic melt.
Article in Nature communications, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Molecular Dynamics Simulation Research of the Effect of KACS omega · 2026Article
- Energetically expensive dynamo action in Earth's basal magma ocean.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Low melt viscosity enables melt doublets above the 410-km discontinuity.Nature communications · 2025Article
- Ferric iron stabilization at deep magma ocean conditions.Science advances · 2024Article
Corrections and comments
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Authors and funding
5 authors.
Funding
Abstract
The viscosity of magma plays a crucial role in the dynamics of the Earth: from the crystallization of a magma ocean during its initial stages to modern-day volcanic processes. However, the pressure-dependence behavior of viscosity at high pressure remains controversial. In this study, we report the results of first-principles molecular dynamics simulations of basaltic melt to show that the melt viscosity increases upon compression along each isotherm for the entire lower mantle after showing minima at ~6 GPa. However, elevated temperatures of the magma ocean translate to a narrow range of viscosity, i.e., 0.01-0.03 Pa.s. This low viscosity implies that the crystallization of the magma ocean could be complete within a few million years. These results also suggest that the crystallization of the magma ocean is likely to be fractional, thus supporting the hypothesis that present-day mantle heterogeneities could have been generated during the early crystallization of the primitive mantle.
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