Results 111 to 120 of about 30,017 (275)
The Chamrousse Ophiolite (Western Alps, France): Relict of a Devono‐Carboniferous Ocean
Terra Nova, Volume 37, Issue 4, Page 225-230, August 2025.ABSTRACT The Chamrousse ophiolite (Western Alps, France) is one of the best‐preserved Variscan relicts of Cambro‐Ordovician oceanisation within the northern Gondwana margin. This study presents new in situ U–Pb isotope analyses on zircon grains from that ophiolite, revealing that the oceanic stage in Chamrousse has occurred 150 Ma later than estimated.
Maureen Gunia +6 more
wiley +1 more source
A Young Crustal Component in the Caroline Mantle Plume (Western Pacific Ocean)
Geophysical Research Letters, Volume 52, Issue 13, 16 July 2025.Abstract The geochemical variability in oceanic island basalts is linked to Earth's deep mantle heterogeneity, with distinct mantle components whose origin is under debate. In this study, we found basalts from the Caroline Seamount Chain exhibit elevated δ57Fe signatures.
Yuan Zhong +3 more
wiley +1 more source
Литосфера, 2016 The South-Ural accretion-collision fold belt began to form at the final stage of the island-arc development of the Urals. This process correlates in time with the Famennian and Early Tournasian. During the Carboniferous, the subsequent inversion from the
D. N. Salikhov +3 more
doaj
Geodetic Evidence of Shallow Slow‐Slip Phenomena Beneath the Southern Ryukyu Forearc
Geophysical Research Letters, Volume 52, Issue 13, 16 July 2025.Abstract While slow slip events (SSEs) are recognized as a ubiquitous phenomenon in subduction zones, accurately tracking the spatiotemporal distribution of shallow SSEs remains challenging. Here, we investigate the potential occurrence of shallow SSEs in the southern Ryukyu forearc at the western boundary of the Philippine Sea plate using 25 years of ...
Chi‐Hsien Tang +7 more
wiley +1 more source
Unzipping of the Conjugate Fault System During the 2024 Mw7.4 Hualien Earthquake
Geophysical Research Letters, Volume 52, Issue 13, 16 July 2025.Abstract On 2 April 2024, a Mw7.4 earthquake struck Taiwan's eastern coast near Hualien City. The fault responsible for the mainshock remained under debate due to the region's complex plate boundary system and intricate fault interactions. To determine the fault plane and resolve the rupture process, we analyzed local and teleseismic waveform ...
Liuwei Xu +6 more
wiley +1 more source
Geochemistry, Geophysics, GeosystemsSubduction zones are fundamental features of Earth's mantle convection and plate tectonics, but mantle flow and pressure around slabs are poorly understood because of the lack of direct observational constraints on subsurface flow.
Samuel L. Goldberg, Adam F. Holt
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Asperity distributions and large earthquake occurrence in subduction zones [PDF]
, 1992 Larry J. Ruff
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Geophysical Research Letters, Volume 52, Issue 13, 16 July 2025.Abstract Wastewater injection in Texas has led to leakage at compromised wells and anomalous seismicity. We use Sentinel‐1 Interferometric Synthetic Aperture Radar (InSAR) surface deformation maps and a suite of ground measurements to characterize injection‐related hazards. In Crane County, we measure ∼ ${\sim} $53 cm of uplift in a 5 km2 ${\text{km}}^{
M. S. Zebker +3 more
wiley +1 more source
Geophysical Research Letters, Volume 52, Issue 13, 16 July 2025.Abstract Advanced Interferometric Synthetic Aperture Radar (InSAR) data has led to an extensive observation of Earth's surface displacements. Whereas the combined use of high‐resolution InSAR, leveling and GPS data may enable highly detailed three‐dimensional deformation models, publicly available modeling and inversion algorithms either seek a single ...
Luis A. Gallardo +3 more
wiley +1 more source
Spherical shell tectonics: on the buckling of the lithosphere at subduction zones
, 1988 Koshun Yamaoka
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