Crustal formation on a spreading ridge above a mantle plume: receiver function imaging of the Icelandic crust
Iceland sits astride a mid‐ocean ridge underlain by a mantle hot spot. The interplay of these
two geological processes has the potential to generate a complex and laterally variable …
two geological processes has the potential to generate a complex and laterally variable …
Normal mode insights into the long wavelength velocity and density structure of the lowermost mantle
P Koelemeijer, AF Deuss, J Ritsema… - AGU Fall Meeting …, 2014 - ui.adsabs.harvard.edu
Shear wave velocity (Vs) models of the lowermost mantle are dominated by two large-low-shear
velocity provinces (LLSVPs). The LLSVPs cover about half of the core surface and …
velocity provinces (LLSVPs). The LLSVPs cover about half of the core surface and …
The Effect of Wavefront Healing on Estimates of S-Wave and P-Wave Heterogeneity in D
J Ritsema, AF Deuss… - AGU Fall Meeting …, 2014 - ui.adsabs.harvard.edu
Large Low-Shear Velocity Provinces (LLSVPs) form the dominant degree-2 heterogeneity in
the lower mantle and cause the largest perturbations of teleseismic body-wave traveltimes …
the lower mantle and cause the largest perturbations of teleseismic body-wave traveltimes …
An Analysis of Normal-Mode Based 3-D Mantle Density Models using Hamiltonian Monte Carlo Methods
R van Tent, AF Deuss, A Fichtner… - AGU Fall Meeting …, 2020 - ui.adsabs.harvard.edu
Constraints on the 3-D density structure of Earth's lower mantle provide important insights
into the nature and stability of the Large Low Shear Velocity Provinces (LLSVPs) in the lower …
into the nature and stability of the Large Low Shear Velocity Provinces (LLSVPs) in the lower …
Tilted Transverse Isotropy in the Earth's inner core
Inner core anisotropy was discovered in 1986, elegantly proven by the publication of two
companion papers, one on short period PKIKP body waves observations (Morelli, Dziewonski …
companion papers, one on short period PKIKP body waves observations (Morelli, Dziewonski …
Application of Machine Learning to Identify and Characterise Thermochemical Heterogeneity in the Earth's Lower Mantle
3-D variations of wave speeds and density have shown the presence of seismically distinct
structures in the Earth's mantle. However, seismology does not directly provide information …
structures in the Earth's mantle. However, seismology does not directly provide information …
Normal mode based seismic elastic and anelastic tomography and its interpretation in terms of mantle temperature, composition and grain size
AF Deuss, S Talavera-Soza… - AGU Fall Meeting …, 2022 - ui.adsabs.harvard.edu
Tectonic processes at Earth's surface, are driven by convection deep in Earth's mantle. Seismic
tomography using earthquakes is the main tool to directly image the Earth's mantle. Such …
tomography using earthquakes is the main tool to directly image the Earth's mantle. Such …
[PDF][PDF] Crustal formation on a spreading ridge above a mantle plume
Iceland straddles the mid-Atlantic spreading ridge, where the separation of the North 34
American and Eurasian plates leads to the formation of new oceanic crust. In addition, Ice-35 …
American and Eurasian plates leads to the formation of new oceanic crust. In addition, Ice-35 …
Structure and dynamics of the Earth's inner core
Seismic observations, using both body wave and normal mode data, provide strong evidence
that the Earth's inner core is anisotropic (eg Morelli at al, 1986, Woodhouse et al, 1986), …
that the Earth's inner core is anisotropic (eg Morelli at al, 1986, Woodhouse et al, 1986), …
P'P'and PP precursor studies of the mantle transition zone
Seismology provides us with a variety of powerful techniques that we can use to probe the
Earth's deep structure. Precursors to seismic phases are a seismological tool commonly used …
Earth's deep structure. Precursors to seismic phases are a seismological tool commonly used …