Genesis and evolution of kimberlites

A Giuliani, MW Schmidt, TH Torsvik… - Nature Reviews Earth & …, 2023 - nature.com
Kimberlites are volcanic rocks enriched in CO2 and H2O and derive from the deepest-
sourced melts (up to 300 km) that reach Earth's surface. The mantle processes that generate …

Advances in mapping lowermost mantle convective flow with seismic anisotropy observations

J Wolf, M Li, MD Long, E Garnero - Reviews of Geophysics, 2024 - Wiley Online Library
Convective flow in the deep mantle controls Earth's dynamic evolution, influences plate
tectonics, and has shaped Earth's current surface features. Present and past convection …

Sluggish thermochemical basal mantle structures support their long-lived stability

Z Shi, RN Mitchell, Y Li, B Wan, L Chen, P Peng… - Nature …, 2024 - nature.com
Large low shear-wave velocity provinces (LLSVPs) in the lowermost mantle are the largest
geological structures on Earth, but their origin and age remain highly enigmatic. Geological …

Continental residual topography extracted from global analysis of crustal structure

SN Stephenson, MJ Hoggard… - … Research: Solid Earth, 2024 - Wiley Online Library
Continental topography is dominantly controlled by a combination of crustal thickness and
density variations. Nevertheless, it is clear that some additional topographic component is …

Coherence of Bangui magnetic anomaly with topographic and gravity contrasts across central African Republic

P Lemenkova, O Debeir - Minerals, 2023 - mdpi.com
The interactions between the geophysical processes and geodynamics of the lithosphere
play a crucial role in the geologic structure of the Earth's crust. The Bangui magnetic …

Observations and models of dynamic topography: Current status and future directions

DR Davies, S Ghelichkhan, MJ Hoggard… - Dynamics of plate …, 2023 - Elsevier
The slow creeping motion of Earth's mantle drives transient changes in surface topography
across a variety of spatial and temporal scales. Recent decades have seen substantial …

Geodynamically corrected Pliocene shoreline elevations in Australia consistent with midrange projections of Antarctic ice loss

FD Richards, SL Coulson, MJ Hoggard… - Science …, 2023 - science.org
The Mid-Pliocene represents the most recent interval in Earth history with climatic conditions
similar to those expected in the coming decades. Mid-Pliocene sea level estimates therefore …

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 …

[HTML][HTML] Detection of a ULVZ in the Central Pacific using high frequency Sdiff postcursors

C Martin, S Russell, S Cottaar - Earth and Planetary Science Letters, 2024 - Elsevier
In recent decades, ultra-low velocity zones (ULVZs)–thin patches of strongly reduced
seismic velocity atop the core-mantle boundary (CMB)–have been inferred from …

Geochemical Constraints on the Structure of the Earth's Deep Mantle and the Origin of the LLSVPs

M Gleeson, C Soderman, S Matthews… - Geochemistry …, 2021 - Wiley Online Library
Geophysical analysis of the Earth's lower mantle has revealed the presence of two
superstructures characterized by low shear wave velocities on the core‐mantle boundary …