Results 81 to 90 of about 12,547 (243)

Broadband Seismic Deployments for Imaging the Upper Mantle Structure in the Lützow-Holm Bay Region, East Antarctica

open access: yesInternational Journal of Geophysics, 2011
Broadband seismic deployments have been carried out in the Lützow-Holm Bay region (LHB), Dronning Maud Land, East Antarctica. The recorded teleseismic and local events are of sufficient quality to image the structure and dynamics of the crust and mantle
Masaki Kanao   +3 more
doaj   +1 more source

Ridge Migration and Plate Boundary Readjustments at the Rodriguez Triple Junction

open access: yesGeophysical Research Letters, Volume 53, Issue 12, 28 June 2026.
Abstract The Rodriguez Triple Junction (RTJ) marks the intersection of the Indian Ocean's three principal mid‐ocean ridges and is a type locality for Ridge‐Ridge‐Ridge triple junctions. A local seismic network was deployed for 8 months to monitor seismicity around the RTJ and the adjacent Central Indian Ridge (CIR).
A. Jegen   +6 more
wiley   +1 more source

A Spreading‐Rate Dependence for Periodic Signals Embedded in Otherwise Aperiodic Abyssal Hills

open access: yesGeophysical Research Letters, Volume 53, Issue 12, 28 June 2026.
Abstract I present evidence, through an empirical pre‐whitening analysis, that periodic signals are embedded in otherwise aperiodic abyssal hills across paleo‐spreading rates ranging from 1 to 9 cm/yr (half rate). Data are comprised of archival trackline and multibeam bathymetry profiles in north and south Atlantic Oceans, Pacific‐Antarctic Ridge ...
J. A. Goff
wiley   +1 more source

Seismological structure of the Carpathian-Pannonian region of central Europe [PDF]

open access: yes, 2010
The extensional Pannonian Basin is set within the convergent arc of the Alpine-Carpathian mountain system in central Europe. Various models have been proposed as mechanisms to drive extension within this collisional setting.
Dando, Benjamin David Edward
core  

Temperatures in ambient mantle and plumes: Constraints from basalts, picrites, and komatiites [PDF]

open access: yes, 2006
Several methods have been developed to assess the thermal state of the mantle below oceanic ridges, islands, and plateaus, on the basis of the petrology and geochemistry of erupted lavas. One leads to the conclusion that mantle potential temperature (i.e.
Lesher, C. M.   +25 more
core   +1 more source

The Mantle Structure of North China Craton and Its Tectonic Implications: Insights from Teleseismic P-Wave Tomography

open access: yesJournal of Marine Science and Engineering
To study the mantle structure of the North China Craton (NCC) and its tectonic implications, in particular, the evolution of the rift systems in the Trans-North China Orogen (TNCO), we used teleseismic data recorded by 250 portable seismic stations to ...
Weiqian Yu   +5 more
doaj   +1 more source

Seismic Evidence for Slab Tearing Beneath the Indo‐Myanmar Subduction Zone

open access: yesGeophysical Research Letters, Volume 53, Issue 12, 28 June 2026.
Abstract Slab tearing has been increasingly recognized as a key geodynamic process influencing the evolution of the eastern Himalayan syntaxis. However, whether, where and how the subducted Indian slab beneath the Indo‐Myanmar subduction zone has been torn remains poorly constrained.
Shun Yang   +9 more
wiley   +1 more source

Tertiary-Quaternary intra-plate magmatism in Europe and its relationship to mantle dynamics

open access: yes, 2006
Anorogenic intra-plate magmatism was widespread in Europe from early Tertiary to Recent times, extending west to east from Spain to Bulgaria, and south to north from Sicily to northern Germany. Magmatism is spatially and temporally associated with Alpine-
Wilson, M., Downes, Hilary
core  

Diamond preservation in the lithospheric mantle recorded by olivine in kimberlites. [PDF]

open access: yesNat Commun, 2023
Giuliani A   +8 more
europepmc   +1 more source

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