Destruction and regrowth of lithospheric mantle beneath large igneous provinces

SN Stephenson, PW Ball, FD Richards - Science Advances, 2023 - science.org
Large igneous provinces (LIPs) are formed by enormous (ie, frequently> 106 km3) but short-
lived magmatic events that have profound effects upon global geodynamic, tectonic, and …

Lithospheric thickness records tectonic evolution by controlling metamorphic conditions

ZJ Zhang, GX Chen, T Kusky, J Yang, QM Cheng - Science Advances, 2023 - science.org
The lithosphere, as the outermost solid layer of our planet, preserves a progressively more
fragmentary record of geological events and processes from Earth's history the further back …

Lithosphere–asthenosphere interactions beneath northeast China and the origin of its intraplate volcanism

A Zhang, Z Guo, JC Afonso, H Handley, H Dai… - …, 2022 - pubs.geoscienceworld.org
Northeast China hosts one of the largest Cenozoic intraplate volcanic regions in the world.
However, the mechanisms that generate the volcanism, its spatial-temporal distribution, and …

Global trends in novel stable isotopes in basalts: Theory and observations

CR Soderman, O Shorttle, S Matthews… - … et Cosmochimica Acta, 2022 - Elsevier
The geochemistry of global mantle melts suggests that both mid-ocean ridge basalts
(MORB) and ocean island basalts (OIB) sample lithological and temperature heterogeneities …

[HTML][HTML] The upper mantle beneath Asia from seismic tomography, with inferences for the mechanisms of tectonics, seismicity, and magmatism

H Dou, Y Xu, S Lebedev, BC de Melo… - Earth-Science …, 2024 - Elsevier
The structure and dynamics of the upper mantle control tectonics, seismicity, magmatism,
and the development of mineral deposits. Seismic tomography maps spatial variations in …

Continental magmatism: The surface manifestation of dynamic interactions between cratonic lithosphere, mantle plumes and edge‐driven convection

T Duvernay, DR Davies, CR Mathews… - Geochemistry …, 2022 - Wiley Online Library
Several of Earth's intra‐plate volcanic provinces lie on or adjacent to continental lithosphere.
Although many are believed to mark the surface expression of mantle plumes, our limited …

Global mantle perturbations following the onset of modern plate tectonics

Q Chen, H Liu, A Giuliani, LS Doucet, TE Johnson… - Science …, 2024 - science.org
Plate tectonics drives the compositional diversity of Earth's convecting mantle through
subduction of lithosphere. In this context, the role of evolving global geodynamics and plate …

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 …

Densely sampled global dynamic topographic observations and their significance

MC Holdt, NJ White, SN Stephenson… - Journal of …, 2022 - Wiley Online Library
Topography and bathymetry are principally supported by some combination of crustal and
sub‐crustal density variations. However, dynamic topography is generated by vertical …

Widespread PREMA in the upper mantle indicated by low-degree basaltic melts

R Cai, J Liu, DG Pearson, A Giuliani… - Nature …, 2023 - nature.com
Studies of ocean island basalts have identified a Prevalent Mantle (PREMA) component as
a fundamental feature of mantle geochemical arrays; however, its origin and distribution are …