Towards a process-based understanding of rifted continental margins

M Pérez-Gussinyé, JS Collier, JJ Armitage… - Nature Reviews Earth & …, 2023 - nature.com
Interactions between tectonic, magmatic, sedimentary and hydrothermal processes during
rifting and break-up of continental lithosphere lead to a variety of rifted margin types. As …

[HTML][HTML] A review of abyssal serpentinite geochemistry and geodynamics

B Debret, M Andreani, M Godard - Earth-Science Reviews, 2024 - Elsevier
The formation of abyssal serpentinites leads to deep changes of the oceanic lithosphere
rheology and geochemistry, hence playing a key role on geodynamic and geochemical …

The role of serpentinization and magmatism in the formation of decoupling interfaces at magma-poor rifted margins

M Gillard, J Tugend, O Müntener, G Manatschal… - Earth-Science …, 2019 - Elsevier
In spite of recent progress in the understanding of magma-poor rifted margins, the processes
leading to the formation and evolution of the exhumed mantle domain and its transition …

Seismic crustal structure and morphotectonic features associated with the Chain Fracture Zone and their role in the evolution of the equatorial Atlantic region

M Marjanović, SC Singh, EPM Gregory… - Journal of …, 2020 - Wiley Online Library
Oceanic transform faults and fracture zones (FZs) represent major bathymetric features that
keep the records of past and present strike‐slip motion along conservative plate boundaries …

Seismic evidence for uniform crustal accretion along slow-spreading ridges in the equatorial Atlantic Ocean

Z Wang, SC Singh - Nature Communications, 2022 - nature.com
The crustal accretion along mid-ocean ridges is known to be spreading-rate dependent.
Along fast-spreading ridges, two-dimensional sheet-like mantle upwelling creates relatively …

Seismicity and mineral destabilizations in the subducting mantle up to 6 GPa, 200 km depth

TP Ferrand - Lithos, 2019 - Elsevier
In the subducting oceanic lithosphere, a significant part of the seismicity is triggered in the
mantle, especially along the upper and lower Wadati-Benioff planes. Several studies have …

Geochemical constraints on reaction temperature and pressure and heat-and mass-transfer efficiency at Rainbow Hydrothermal Field

GN Evans, AN Awolayo, BM Tutolo… - Earth and Planetary …, 2024 - Elsevier
Seafloor vent fluids hosted by oceanic core complexes (OCCs) are thought to represent
circulation of seawater-derived hydrothermal fluid along deeply penetrating, low-angle …

Upper mantle anisotropic shear velocity structure at the equatorial Mid‐Atlantic Ridge constrained by Rayleigh wave group velocity analysis from the PI‐LAB …

U Saikia, C Rychert, N Harmon… - Geochemistry …, 2021 - Wiley Online Library
The evolution of ocean lithosphere and asthenosphere are fundamental to plate tectonics,
yet high resolution imaging is rare. We present shear wave velocity and azimuthal …

Lower oceanic crust formed by in situ melt crystallization revealed by seismic layering

P Guo, SC Singh, VA Vaddineni, I Grevemeyer… - Nature …, 2022 - nature.com
Oceanic crust forms at mid-ocean spreading centres through a combination of magmatic and
tectonic processes, with the magmatic processes creating two distinct layers: the upper and …

Three‐Dimensional P Wave Velocity Structure of the Northern Hikurangi Margin From the NZ3D Experiment: Evidence for Fault‐Bound Anisotropy

R Arai, S Kodaira, S Henrys, N Bangs… - Journal of …, 2020 - Wiley Online Library
We present a high‐resolution three‐dimensional (3‐D) anisotropic P wave velocity (Vp)
model in the northern Hikurangi margin offshore Gisborne, New Zealand, constructed by …