Results 211 to 220 of about 124,197 (248)

Subduction Zone Magnetism: The Influence of Metamorphism and Serpentinization in the Mantle Wedge

Geochemistry, Geophysics, Geosystems, Volume 27, Issue 3, March 2026.
Abstract Subduction zone magnetic anomalies have previously been used to infer their thermal structure assuming a uniformly serpentinized mantle carries a homogeneous, isotropic magnetization. However, seismic tomography, geological observations and numerical modeling provide increasing evidence for a non‐uniformly serpentinized mantle wedge that may ...
Y. Li, P. C. Lindquist, D. Han, B. Fish, R. J. Harrison, W. McCarthy, R. M. Palin, C. B. Condit, C. I. O. Nichols   +8 more
wiley   +1 more source

Geodynamic Controls on Mantle Differentiation and Preservation of Long‐Term Geochemical Heterogeneity: Focus on the Primitive Undegassed Mantle

Geochemistry, Geophysics, Geosystems, Volume 27, Issue 3, March 2026.
Abstract The compositional evolution of the Earth's mantle is the result of mantle differentiation and thermal evolution. Partial melting of mantle materials produces geochemical heterogeneities, allows for degassing and depends on the thermal state of the mantle, itself governed by convection.
Nicolas Récalde, J. Huw Davies, James Panton, Don Porcelli, Morten Andersen   +4 more
wiley   +1 more source

SYSU_Topo: a 1-arc-minute global bathymetry from SWOT-derived gravity using the gravity-geological method. [PDF]

Sci Data
Feng W, An D, Hwang C, Sun M, Chen X, Zhang Z, Yang M, Zhong M.   +7 more
europepmc   +1 more source

Rapid Slab Rollback Drives Early Cretaceous Back‐Arc Extension in NE China: Implication for Crustal Growth and Episodic Porphyry Mineralization

Geochemistry, Geophysics, Geosystems, Volume 27, Issue 3, March 2026.
Abstract The subduction of the Paleo‐Pacific Plate beneath the NE Asian continental margin induced extensive magmatism, providing an excellent opportunity to investigate the interplay between plate dynamics, arc magmatism, continental crust formation, and porphyry mineralization.
Honghui Wang, Xinghua Ma, Simon A. Wilde, Yong Lai, Zhenhua Zhou, Jinyu Yan   +5 more
wiley   +1 more source

Enigmatic carbon isotopic variability in the oceanic upper mantle. [PDF]

Proc Natl Acad Sci U S A
Moussallam Y, Rose-Koga EF, Aubaud C, Georgeais G, Cartigny P, Koga KT, Devidal JL, Michael PJ, Shimizu K, Saal AE.   +9 more
europepmc   +1 more source

Constraints on Noble Gas Variability in OIB and MORB From Non‐Equilibrium Magmatic Degassing Models

Geochemistry, Geophysics, Geosystems, Volume 27, Issue 3, March 2026.
Abstract Noble gas concentrations in ocean island basalts (OIB) and mid‐ocean ridge basalts (MORB) are affected by degassing processes, obscuring their pre‐eruptive characteristics. Degassing corrections commonly assume near‐equilibrium partitioning of noble gases between melt and vapor.
Thomas Williams, Stephen Parman, Christian Huber   +2 more
wiley   +1 more source

Seismic and gravity constraints on plate flexure and mantle rheology along the whole Hawaiian-Emperor seamount chain. [PDF]

Nat Commun
Watts AB, Xu C, Wessel P, Shillington DJ, Boston B, Dunn R.   +5 more
europepmc   +1 more source

Geochemical Analysis of Diachronous V‐Shaped Ridges and Troughs That Flank the Reykjanes Ridge South of Iceland

Geochemistry, Geophysics, Geosystems, Volume 27, Issue 3, March 2026.
Abstract It is recognized that mantle plumes play a direct role in generating regional uplift and producing immense volumes of basaltic magmatism, both of which can influence paleoclimate. The Icelandic Plume, beneath the North Atlantic Ocean, is of particular importance due to its size and position at a significant paleoceanographic gateway.
Nicky White, Chia‐Yu Tien, Callum Pearman, John Maclennan, Bramley Murton, Expedition 395 Scientists   +5 more
wiley   +1 more source

Zonally asymmetric changes in the Antarctic Circumpolar Current strength over the past million years. [PDF]

Nat Geosci
Wu S, Mazaud A, Michel E, Erb MP, Stocker TF, Amsler HE, Le Tallec-Carado P, Lamy F, Jaccard SL.   +8 more
europepmc   +1 more source

A Global Evaluation of Lithology‐Dependent Marine Sediment Compaction Parameters and Their Uncertainties

Geochemistry, Geophysics, Geosystems, Volume 27, Issue 3, March 2026.
Abstract Tectonic subsidence, sea level, and paleoclimate reconstructions using marine records rely on accurate decompaction of the sediment column. Over time, increased overburden pressure from burial decreases sediment porosity with depth. The porosity‐depth relationship is lithology‐dependent and can be represented by an exponential function ...
Haley Svadlenak, Ross Parnell‐Turner, Margaret Morris   +2 more
wiley   +1 more source