Oceanic residual topography agrees with mantle flow predictions at long wavelengths
Sign Up to like & getrecommendations! Published in 2017 at "Geophysical Research Letters"
DOI: 10.1002/2017gl074800
Abstract: Dynamic topography, the surface deflection induced by sublithosheric mantle flow, is an important prediction made by geodynamic models, but there is an apparent disparity between geodynamic model predictions and estimates of residual topography (total topography… read more here.
Keywords: topography; long wavelength; mantle flow; residual topography ... See more keywords
Large-scale trench-normal mantle flow beneath central South America
Sign Up to like & getrecommendations! Published in 2018 at "Earth and Planetary Science Letters"
DOI: 10.1016/j.epsl.2017.11.002
Abstract: Abstract We investigate the anisotropic properties of the fore-arc region of the central Andean margin between 17–25°S by analyzing shear-wave splitting from teleseismic and local earthquakes from the Nazca slab. With partly over ten years… read more here.
Keywords: beneath; trench; mantle flow; flow beneath ... See more keywords
A long-lived Indian Ocean slab: Deep dip reversal induced by the African LLSVP
Sign Up to like & getrecommendations! Published in 2018 at "Earth and Planetary Science Letters"
DOI: 10.1016/j.epsl.2018.05.050
Abstract: A slab-like high seismic velocity anomaly (referred as SEIS) has been inferred beneath the central-southern Indian Ocean in a recent tomographic inversion. Although subduction has previously been suggested regionally by surface observations, the new inversion… read more here.
Keywords: dip; mantle flow; indian ocean; slab ... See more keywords
Oblique subduction and mantle flow control on upper plate deformation: 3D geodynamic modeling
Sign Up to like & getrecommendations! Published in 2021 at "Earth and Planetary Science Letters"
DOI: 10.1016/j.epsl.2021.117056
Abstract: Abstract Most subduction zones on Earth are oblique, i.e., the angle between the plate convergence vector and the trench notably differs from 90°. Therefore, modeling and understanding the strain partitioning in the forearc, the development… read more here.
Keywords: oblique subduction; mantle flow; deformation; back arc ... See more keywords
Complicated 3D mantle flow beneath Northeast China from shear wave splitting and its implication for the Cenozoic intraplate volcanism
Sign Up to like & getrecommendations! Published in 2017 at "Tectonophysics"
DOI: 10.1016/j.tecto.2017.04.015
Abstract: Abstract We obtained shear wave splitting measurements from XKS (SKS and SKKS) phases recorded by the NECESSArray project consisting of 127 seismic stations in Northeast China (NEC). The most salient feature of the anisotropy in… read more here.
Keywords: beneath; shear wave; mantle flow; wave splitting ... See more keywords
Earth’s multi-scale topographic response to global mantle flow
Sign Up to like & getrecommendations! Published in 2019 at "Nature Geoscience"
DOI: 10.1038/s41561-019-0441-4
Abstract: Earth’s surface topography is a direct physical expression of our planet’s dynamics. Most is isostatic, controlled by thickness and density variations within the crust and lithosphere, but a substantial proportion arises from forces exerted by… read more here.
Keywords: topography; mantle flow; multi scale; earth ... See more keywords
Mantle-flow diversion beneath the Iranian plateau induced by Zagros’ lithospheric keel
Sign Up to like & getrecommendations! Published in 2021 at "Scientific Reports"
DOI: 10.1038/s41598-021-81541-9
Abstract: Previous investigation of seismic anisotropy indicates the presence of a simple mantle flow regime beneath the Turkish-Anatolian Plateau and Arabian Plate. Numerical modeling suggests that this simple flow is a component of a large-scale global… read more here.
Keywords: plateau; beneath; mantle flow; seismic anisotropy ... See more keywords
Feedbacks between a non-Newtonian upper mantle, mantle viscosity structure and mantle dynamics
Sign Up to like & getrecommendations! Published in 2020 at "Geophysical Journal International"
DOI: 10.1093/gji/ggaa495
Abstract: Previous studies have shown that a low viscosity upper mantle can impact the wavelength of mantle flow and the balance of plate driving to resisting forces. Those studies assumed that mantle viscosity is independent of… read more here.
Keywords: viscosity; mantle; mantle flow; upper mantle ... See more keywords
Global mantle flow retrodictions for the early Cenozoic using an adjoint method: evolving dynamic topographies, deep mantle structures, flow trajectories and sublithospheric stresses
Sign Up to like & getrecommendations! Published in 2021 at "Geophysical Journal International"
DOI: 10.1093/gji/ggab108
Abstract: During the Cenozoic, the Earth experienced multiple first-order geological events that are likely mantle flow related. These include the termination of large-scale marine inundation in North America in the Palaeocene, the late Tertiary rise of… read more here.
Keywords: global mantle; mantle; mantle flow; flow retrodictions ... See more keywords
Mapping global kimberlite potential from reconstructions of mantle flow over the past billion years
Sign Up to like & getrecommendations! Published in 2022 at "PLoS ONE"
DOI: 10.1371/journal.pone.0268066
Abstract: Kimberlites are the primary source of economic grade diamonds. Their geologically rapid eruptions preferentially occur near or through thick and ancient continental lithosphere. Studies combining tomographic models with tectonic reconstructions and kimberlite emplacement ages and… read more here.
Keywords: lowermost mantle; mantle structures; flow past; global kimberlite ... See more keywords