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206 results for “subduction”
Nature of Paleo-Pacific subduction along the East Asian continental margin Insights from the sedimentary record of West Sarawak,Borneo
<p>The Table S1, S2, S3, S4 in the manuscript "Nature of Paleo-Pacific subduction along the East Asian continental margin: Insights from the sedimentary record of West Sarawak, Borneo"</p>
Globally Distributed Subducted Materials along the Earth's Core-Mantle Boundary: Implications for Ultra-low Velocity Zones
<p>Supplemental movie files related to the geodynamic models in our manuscript "Globally Distributed Subducted Materials along the Earth’s Core-Mantle Boundary: Implications for Ultra-low Velocity Zones"</p>
Earliest Phanerozoic intra-oceanic arc in the northern Tibetan Plateau reveals missing subduction process in the Proto-Tethys Ocean
<p>This supporting information includes tables that provide geochemical, zircon U-Pb and Lu-Hf and Sr-Nd isotopic data of volcanic rocks from the North Qaidam collisional belt.</p>
Subduction within the Proto-Tethys Ocean revealed by recognition of the earliest Phanerozoic intra-oceanic arc, northern Tibetan Plateau
<p><strong>Analytical methods</strong></p> <p><strong>Table S1</strong>. Whole-rock major (wt.%) and trace element (ppm) data for volcanic rocks in the Tuomoerrite area, North Qaidam belt.</p> <p><strong>Table S2</strong>. LA-ICP-MS zircon U-Pb data for dacites and gabbro in the Tuomoerrite area, North Qaidam belt.</p> <p><strong>Table S3</strong>. Zircon Lu-Hf isotopic data for Cambrian dacites and gabbro in the Tuomoerrite area, North Qaidam belt.</p> <p><strong>Table S4</strong>. Whole-rock Rb-Sr and Sm-Nd isotopic compositions for the volcanic rocks in the Tuomoerrite area, North Qaidam belt.</p>
Carbonates and Intermediate-Depth Seismicity: Stable and Unstable Shear in Altered Subducting Plates and Overlying Mantle
<p>Prakash et al (2023) - "Carbonates and Intermediate-Depth Seismicity: Stable and Unstable Shear in Altered Subducting Plates and Overlying Mantle"</p> <p>This repository contains:<br> -data exported from shear heating instability model shown in figures 2, 3, 4, S4, S5, and S6<br> -matlab code used to plot figures </p> <p>For further information, please contact Abhishek Prakash (abhishek.prakash@tamu.edu).</p>
Data and code for Keller et al. (2023) "Links between large igneous province volcanism and subducted iron formations," published in Nature Geoscience
<p>Data and computer code used to generate results for Keller et al. (2023) "<em>Links between large igneous province volcanism and subducted iron formations</em>." A readme file in the folder gives a description for each file. Data may also be accessed from the article link on the publisher's website.</p>
Deep subduction of the Philippine Sea slab and formation of slab window beneath central Japan
<p>The travel-time data, the velocity model from seismic tomography and the temperature distributions from numerical simulation.</p>
Dataset for "continental tip is a favorable location for subduction initiation"
<p>The required code and data for the paper "continental tip is a favorable location for subduction initiation"<br> The open-source code Ellipsis3d is also available at https://geodynamics.org/resources/ellipsis3d<br> The reconstruction of Oloy subduction is also available at doi:10.1016/j.earscirev.2013.05.012<br> </p>
Data for Lindquist et al., Metasomatism and slow slip: talc production along the flat subduction plate interface beneath Mexico (Guerrero)
<p>A compilation of data supporting our 2023 G-Cubed manuscript submission "Metasomatism and slow slip: talc production along the flat subduction plate interface beneath Mexico (Guerrero)," including<br> (1) and Excel file containing bulk compositions and phase solution models used in our Perple_X modeling</p> <p>(2) text files of all the output Perple_X data that were used for calculations of results presented in the manuscript, including mineral modes, densities, and silica contents</p>
compositional data for "Chromium isotope behavior during serpentinite dehydration in oceanic subduction zones"
<p>Table 1 refer to the Cr isotope results for the meta-serpentinite in this study. Table S1 shows the major and trace element compositions of the studied samples. Table S2 compiles the available Cr isotope compositions of low-grade serpentinites.</p>
Along-strike structural variation controls slip behaviors across the neighboring segments of the Aleutian-Alaska subduction zone
<p>Rupture behaviors of a subduction megathrust defines its slip type, extent and associated tsunami hazard, but are challenging to be known precisely due to limited fault-zone observations. Here, we integrate GNSS, tsunami-waveforms, seismic-profiles, and earthquake-cycle modeling to delineate slip extent of the 2020 M<sub>w</sub> 7.8 Simeonof (Shumagin) and the 2021 M<sub>w</sub> 8.2 Chignik (Semidi) earthquake sequence, and to understand the possible mechanical control on the distinct rupture behaviors of the neighboring Shumagin-Semidi segments along the Aleutian-Alaska subduction zone. We reveal a compelling fact that both the Simeonof and Chignik earthquakes slip at depth between ~20 to 40 km on the megathrust, a depth range typically observed at these segments in seismic cycles. We observe a contradictory slip behavior and disentangle why the Semidi segment ruptures in multi-variable style of large earthquakes, while the Shumagin segment ruptures with uniformly small to moderate seismicity, by illuminating the sharp variation in morphology across them. We identify a mechanical-structure boundary beneath the Shumagin Island where it separates the megathrust into gentle-smooth less-serpentinized east portion and steep-rough highly-serpentinized west portion. We also enlighten an intriguing fact that the upper slip bounds of the Simeonof-Chignik earthquakes corresponding to the deep boundary of the subducted seafloor ridges at the shallow megathrust, which likely arrested the slip propagating across this boundary to shallower depths as it did for the 1938 M<sub>w</sub> 8.2 event. We highlight that the along-strike structure variation at depths and shallow trench control rupture styles, resulting in low to moderate tsunami hazard at this region. </p>
Molybdenum isotope signatures of forearc serpentinites: Origin and contribution to the subduction zone Mo cycle
<p>Table 1. Mo contents and Sr-Pb-Mo isotope compositions of the serpentinites and metabasites from the Mariana forearc mud volcanoes.<br> Table 2. Parameters for the mixing calculations.</p> <p>Supplementary Tables:<br> Table S1. Sampling locations and descriptions of the samples from the Mariana forearc mud volcanoes.<br> Table S2. Analytical major elements, trace elements and Mo isotopes of standard samples.<br> Table S3. Major and trace element compositions of lavas from Mariana forearc mud volcanoes.</p> <p> </p>
Molybdenum isotope signatures of forearc serpentinites: Origin and contribution to the subduction zone Mo cycle
<p>Table 1. Mo contents and Sr-Pb-Mo isotope compositions of the serpentinites and metabasites from the Mariana forearc mud volcanoes.<br> Table 2. Parameters for the mixing calculations.</p> <p>Supplementary Tables:<br> Table S1. Sampling locations and descriptions of the samples from the Mariana forearc mud volcanoes.<br> Table S2. Analytical major elements, trace elements and Mo isotopes of standard samples.<br> Table S3. Major and trace element compositions of lavas from Mariana forearc mud volcanoes.</p>
Imaging seismic and aseismic plate coupling with interferometric radar (InSAR) in the Hikurangi subduction zone
<p>Data associated with 'Imaging seismic and aseismic plate coupling with interferometric radar (InSAR) in the Hikurangi subduction zone published in GRL.</p>
Late Jurassic Oceanic Plateau Subduction in the Bangong–Nujiang Tethyan Ocean of Northern Tibet
<p><strong>Supplemental material captions</strong></p> <p>Table S1. Summary of preexisting age data and locations for the Late Jurassic granitoids in the Southern Qiangtang block.</p> <p>Table S2. Summary of sample localities, rock types, zircon ages and mineral assemblages for the granitoids of Guobaoyue area.</p> <p>Table S3. Zircon U-Pb dating results for the granitoids of Gaobaoyue area.</p> <p>Table S4. Zircon Hf isotopic data for the granitoids of Gaobaoyue area.</p> <p>Table S5. Whole-rock major (wt.%) and trace (ppm) element compositions for the granitoids of Gaobaoyue area.</p> <p>Table S6. Whole-rock Sr–Nd–Hf isotopic compositions for the granitoids of Gaobaoyue area.</p>
Model for the GRL Paper: P and S wave anisotropic tomography of the Banda subduction zone
<p>The 3-D tomographic models of isotropic velocity and azimuthal anisotropy beneath the Banda subduction zone.</p>
Supplementary material: animated GIF of null space shuttle with shortening of the subducted Iberian crust.
<p>Supplementary material to the paper: </p><p>Geologically constrained geometry inversion with and null-space navigation to explore alternative geological scenarios: a case study in the Western Pyrenees. <br>Jeremie Giraud, Mary Ford, Guillaume Caumon, Lachlan Grose, Vitaliy Ogarko, Roland Martin, Paul Cupillard. </p><p>Note that the profile A-B shown here is more to the west than the profile shown in the paper. The image shows the full model inclusive of padding cells.</p>
Transient Injection of Flow: How Torn and Bent Subducting Slabs Induce Unusual Mantle Circulation Patterns near a flat slab
<p>This repository provides the input (.prm) files for the paper "Transient Injection of Flow: How Torn and Bent Slabs Induce Unusual Mantle Circulation Patterns near a flat slab".</p>
Revealing Crustal Structure of the Western Philippine Sea Subduction Zone through Seismic, Gravity and Magnetic Joint Inversion Based on Minimum Support Cross-Gradient Coupling
<p>Data contains the synthetic model data and field data.<br> Final model contains the joint and single inverison result. <br> First volum of the data and model represents the location on the profile.</p> <p>Second volum of the model represents the depth of the model, which is all positive.</p> <p>Second volum of the data represent the value of the synthetic data.</p> <p>Rec_obs represents the reflection observed data,fir_tob represents the first arrival travel time observed data, the first and the second volum represents the source number and the receiver number. </p>
Magmatic fingerprints of subduction initiation and mature subduction: Numerical modelling and observations from the Izu-Bonin-Mariana system (Supplementary Material)
<p>Video of the reference model as well as three end-member models described in the manuscript. Additionally, the source code that was used to run the models and the initial model setup for each model presented can be found. The numbering of the models is equivalent to the numbering used in the paper (Ritter et al., 2024 in Front. Earth Sci.)</p>
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Allen Brain Atlas
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International Brain Laboratory public data
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OpenNeuro
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