Articles | Volume 12, issue 9
https://doi.org/10.5194/se-12-2087-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/se-12-2087-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
14 Sep 2021
Research article |
| 14 Sep 2021
| 14 Sep 2021
Coupled dynamics and evolution of primordial and recycled heterogeneity in Earth's lower mantle
Anna Johanna Pia Gülcher
CORRESPONDING AUTHOR
Institute of Geophysics, Department of Earth Sciences, ETH Zürich, Zürich, Switzerland
Invited contribution by Anna Johanna Pia Gülcher, recipient of the EGU Geodynamics Outstanding Student Poster and PICO Award 2019.
Maxim Dionys Ballmer
Department of Earth Sciences, University College London, London, UK
Institute of Geophysics, Department of Earth Sciences, ETH Zürich, Zürich, Switzerland
Paul James Tackley
Institute of Geophysics, Department of Earth Sciences, ETH Zürich, Zürich, Switzerland
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Cited
19 citations as recorded by crossref.
- Dynamics and Evolution of Venus’ Mantle Through Time T. Rolf et al. 10.1007/s11214-022-00937-9
- Variational Feature Extraction in Scientific Visualization N. Daßler & T. Günther 10.1145/3658219
- Defining Earth's elusive thermal budget in the presence of a hidden reservoir A. Ferrick & J. Korenaga 10.1016/j.epsl.2022.117893
- Earth’s mantle composition revealed by mantle plumes D. Weis et al. 10.1038/s43017-023-00467-0
- Geodynamic and Isotopic Constraints on the Genesis of Kimberlites, Lamproites and Related Magmas From the Finnish Segment of the Karelian Craton H. Dalton et al. 10.1029/2021GC010324
- Narrow, Fast, and “Cool” Mantle Plumes Caused by Strain‐Weakening Rheology in Earth's Lower Mantle A. Gülcher et al. 10.1029/2021GC010314
- Deciphering the deep Earth heterogeneities from the temperature fluctuation of mantle plumes H. Liu et al. 10.1016/j.epsl.2023.118275
- Full-waveform inversion reveals diverse origins of lower mantle positive wave speed anomalies T. Schouten et al. 10.1038/s41598-024-77399-2
- Variation in bridgmanite grain size accounts for the mid-mantle viscosity jump H. Fei et al. 10.1038/s41586-023-06215-0
- Benchmarking the accuracy of higher-order particle methods in geodynamic models of transient flow R. Gassmöller et al. 10.5194/gmd-17-4115-2024
- The Composition of Earth's Lower Mantle M. Murakami et al. 10.1146/annurev-earth-031621-075657
- Compositional heterogeneity in the mantle transition zone S. Goes et al. 10.1038/s43017-022-00312-w
- Continental Magmatism: The Surface Manifestation of Dynamic Interactions Between Cratonic Lithosphere, Mantle Plumes and Edge‐Driven Convection T. Duvernay et al. 10.1029/2022GC010363
- Carbon isotope composition of basalts from Loihi Seamount: Primordial or recycled carbon in the Hawaiian mantle plume? D. Graham et al. 10.1016/j.epsl.2023.118248
- Linking rates of slab sinking to long-term lower mantle flow and mixing E. van der Wiel et al. 10.1016/j.epsl.2023.118471
- Quantifying mantle mixing through configurational entropy E. van der Wiel et al. 10.5194/se-15-861-2024
- Decoupling of short-lived radiogenic and helium isotopes in the Marquesas hotspot M. Herret et al. 10.1016/j.chemgeo.2023.121727
- The Stability of Dense Oceanic Crust Near the Core‐Mantle Boundary J. Panton et al. 10.1029/2022JB025610
- Coupled dynamics and evolution of primordial and recycled heterogeneity in Earth's lower mantle A. Gülcher et al. 10.5194/se-12-2087-2021
18 citations as recorded by crossref.
- Dynamics and Evolution of Venus’ Mantle Through Time T. Rolf et al. 10.1007/s11214-022-00937-9
- Variational Feature Extraction in Scientific Visualization N. Daßler & T. Günther 10.1145/3658219
- Defining Earth's elusive thermal budget in the presence of a hidden reservoir A. Ferrick & J. Korenaga 10.1016/j.epsl.2022.117893
- Earth’s mantle composition revealed by mantle plumes D. Weis et al. 10.1038/s43017-023-00467-0
- Geodynamic and Isotopic Constraints on the Genesis of Kimberlites, Lamproites and Related Magmas From the Finnish Segment of the Karelian Craton H. Dalton et al. 10.1029/2021GC010324
- Narrow, Fast, and “Cool” Mantle Plumes Caused by Strain‐Weakening Rheology in Earth's Lower Mantle A. Gülcher et al. 10.1029/2021GC010314
- Deciphering the deep Earth heterogeneities from the temperature fluctuation of mantle plumes H. Liu et al. 10.1016/j.epsl.2023.118275
- Full-waveform inversion reveals diverse origins of lower mantle positive wave speed anomalies T. Schouten et al. 10.1038/s41598-024-77399-2
- Variation in bridgmanite grain size accounts for the mid-mantle viscosity jump H. Fei et al. 10.1038/s41586-023-06215-0
- Benchmarking the accuracy of higher-order particle methods in geodynamic models of transient flow R. Gassmöller et al. 10.5194/gmd-17-4115-2024
- The Composition of Earth's Lower Mantle M. Murakami et al. 10.1146/annurev-earth-031621-075657
- Compositional heterogeneity in the mantle transition zone S. Goes et al. 10.1038/s43017-022-00312-w
- Continental Magmatism: The Surface Manifestation of Dynamic Interactions Between Cratonic Lithosphere, Mantle Plumes and Edge‐Driven Convection T. Duvernay et al. 10.1029/2022GC010363
- Carbon isotope composition of basalts from Loihi Seamount: Primordial or recycled carbon in the Hawaiian mantle plume? D. Graham et al. 10.1016/j.epsl.2023.118248
- Linking rates of slab sinking to long-term lower mantle flow and mixing E. van der Wiel et al. 10.1016/j.epsl.2023.118471
- Quantifying mantle mixing through configurational entropy E. van der Wiel et al. 10.5194/se-15-861-2024
- Decoupling of short-lived radiogenic and helium isotopes in the Marquesas hotspot M. Herret et al. 10.1016/j.chemgeo.2023.121727
- The Stability of Dense Oceanic Crust Near the Core‐Mantle Boundary J. Panton et al. 10.1029/2022JB025610
1 citations as recorded by crossref.
Latest update: 12 Nov 2024
Short summary
The lower mantle extends from 660–2890 km depth, making up > 50 % of the Earth’s volume. Its composition and structure, however, remain poorly understood. In this study, we investigate several hypotheses with computer simulations of mantle convection that include different materials: recycled, dense rocks and ancient, strong rocks. We propose a new integrated style of mantle convection including
piles,
blobs, and
streaksthat agrees with various observations of the deep Earth.
The lower mantle extends from 660–2890 km depth, making up 50 % of the Earth’s volume. Its...
