Structure and dynamics of the oceanic lithosphere-asthenosphere system

F Richards, M Hoggard, A Crosby… - Physics of the Earth and …, 2020‏ - Elsevier
The thermochemical evolution of oceanic lithosphere and its interaction with the underlying
asthenosphere exerts a fundamental control on the dynamics of the Earth system. Since the …

Oceanic residual depth measurements, the plate cooling model, and global dynamic topography

MJ Hoggard, J Winterbourne… - … Research: Solid Earth, 2017‏ - Wiley Online Library
Convective circulation of the mantle causes deflections of the Earth's surface that vary as a
function of space and time. Accurate measurements of this dynamic topography are …

Reassessing the thermal structure of oceanic lithosphere with revised global inventories of basement depths and heat flow measurements

FD Richards, MJ Hoggard, LR Cowton… - Journal of Geophysical …, 2018‏ - Wiley Online Library
Half‐space cooling and plate models of varying complexity have been proposed to account
for changes in basement depth and heat flow as a function of lithospheric age in the oceanic …

Joint flexural-density modeling of the Taltal, Copiapó, and Iquique hotspot ridges and the surrounding oceanic plate, offshore Chile

A Maksymowicz, E Contreras-Reyes… - …, 2024‏ - pubs.geoscienceworld.org
Based on gravity and bathymetric data and using a novel two-dimensional joint flexural-
density modeling approach, this work studies the physical properties of the oceanic Nazca …

Outer trench slope flexure and faulting at Pacific basin subduction zones

ESM Garcia, DT Sandwell… - Geophysical Journal …, 2019‏ - academic.oup.com
Flexure and fracturing of the seafloor on the outer trench wall of subduction zones reflect
bending of the lithosphere beyond its elastic limit. To investigate these inelastic processes …

Elasto-plastic deformation and plate weakening due to normal faulting in the subducting plate along the Mariana Trench

Z Zhou, J Lin - Tectonophysics, 2018‏ - Elsevier
We investigated variations in the elasto-plastic deformation of the subducting plate along the
Mariana Trench through an analysis of flexural bending and normal fault characteristics …

Active faulting in apparently stable peninsular India: Rift inversion and a Holocene‐age great earthquake on the Tapti Fault

A Copley, S Mitra, RA Sloan, S Gaonkar… - Journal of …, 2014‏ - Wiley Online Library
We present observations of active faulting within peninsular India, far from the surrounding
plate boundaries. Offset alluvial fan surfaces indicate one or more magnitude 7.6–8.4 thrust …

Yield failure of the subducting plate at the Mariana Trench

J Zhang, F Zhang, J Lin, H Yang - Tectonophysics, 2021‏ - Elsevier
Two tectonic plates converge at subduction zones where the subducting plate bends.
Flexural bending of a subducting plate at a trench results in pervasive normal faulting …

The role of viscoelasticity in subducting plates

RJ Farrington, LN Moresi… - Geochemistry …, 2014‏ - Wiley Online Library
Subduction of tectonic plates into Earth's mantle occurs when one plate bends beneath
another at convergent plate boundaries. The characteristic time of deformation at these …

Elastic properties of thermally treated diabase and peridotite: Implications toward the elastic properties of oceanic lithosphere

EG Jayawickrama, I Katayama - Journal of Geophysical …, 2023‏ - Wiley Online Library
Supported by laboratory experimental results, the reduction in elastic thickness () and
flexural rigidity () at trench outer rise, which enables bending, is attributed to damage. A …