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16 results for “subduction initiation”
Where does subduction initiate and cease? A global scale perspective (Supplementary material)
<p>Supplementary material for Where does subduction initiate and cease? A global scale perspective</p>
Subduction zone initiation (SZI) Database
<p>The <strong>Subduction zone initiation (SZI) Database</strong> is a <em>cross-disciplinary</em> and <em>community-driven</em> approach to gain an improved understanding of subduction zone initiation (SZI) and overcome the key long-standing questions of the Earth Sciences of how, when and where it happens on the Earth.</p> <p>The interdisciplinary database features more than a dozen documented SZI events that occurred during the last hundred million years. The SZI Database and its related online platform, <a href="http://www.szidatabase.org"><strong>www.szidatabase.</strong></a><strong><a href="http://www.szidatabase.org">org</a>,</strong> is an easily-accessible, fully transparent, expandable platform that contains relevant SZI data and analyses, and establishes a common language to sharpen discussion across the Earth Science community.</p> <p>Further details and the first novel scientific insights gained based on the database are presented in <a href="https://rdcu.be/b5ROu">Crameri et al. (2020, Nature Communications)</a>.</p>
Dataset for "Terrane collision-induced subduction initiation: Mode selection and implications for western Pacific subduction system"
<p>Numerical results for "<strong>Terrane collision-induced subduction initiation: Mode selection and implications for western Pacific subduction system</strong>".</p>
Dataset for "Terrane collision-induced subduction initiation: Mode selection and implications for western Pacific subduction system"
<p>Numerical results for "<strong>Terrane collision-induced subduction initiation: Mode selection and implications for western Pacific subduction system</strong>".</p>
Late Eocene Subduction Initiation of the Indian Ocean in the North Sulawesi Arc, Indonesia, Induced by Abrupt Australian Plate Acceleration
<p>Supplementary Tables (S1-S3) for a manuscript submitted to Lithos entitled "Late Eocene Subduction Initiation of the Indian Ocean in the North Sulawesi Arc, Indonesia, Induced by Abrupt Australian Plate Acceleration".</p>
Dataset for subduction initiation during collision-induced subduction transference
<p>Numerical results for 'Subduction initiation during collision-induced subduction transference: Numerical modeling and implications for the Tethyan evolution'.</p>
Dataset for Effects of elasticity on subduction initiation: Insight from 2-D thermomechanical models
<p>Numerical modeling results and input files of the manuscript "Effects of elasticity on subduction initiation: Insight from 2-D thermomechanical models".</p>
Fore-arc metasomatism by hybrid slab fluids during subduction initiation: Sr–Mg–Ca isotopes of rodingite, western Yarlung Zangbo suture zone
<p> Subduction zone metasomatism is critical for Earth’s material exchanges, yet understanding slab dehydration, particularly deserpentinization beneath fore-arcs, remains challenging. Here, we present Sr–Mg–Ca isotopic data for the Purang rodingites in the western Yarlung-Zangbo suture zone (YZSZ). These rodingites, dominated by amphibolite- to greenschist-facies minerals like tremolite, magnesiohornblende, and chlorite, exhibit cumulate textures and rare earth element patterns resembling troctolites or gabbronorites, presumably formed beneath a seafloor spreading center. The rodingites are enriched in large ion lithophile elements and depleted in high field strength elements. They show higher initial <sup>87</sup>Sr/<sup>86</sup>Sr ratios (0.7067–0.7075) and elevated δ<sup>26</sup>Mg values (–0.22 ± 0.07‰ to –0.13 ± 0.02‰) compared to pristine oceanic basalts, while their δ<sup>44/40</sup>Ca values (0.72 ± 0.02‰ to 0.87 ± 0.03‰) correspond to mid-ocean ridge basalts (MORB). These features imply fore-arc mantle metasomatism of an original MOR-derived protolith at <40 km slab depth, driven by Sr- and Mg-rich fluids from clay-rich sediments and serpentinitized mantle, respectively. The measured Sr and Mg isotope compositions can be reproduced by mixing a MORB-like protolith with hybrid fluids derived from 70–30% clays and 30–70% serpentinites, with a fluid-to-rock ratio of approximately 1:3–1:5. Combined with studies on YZSZ metamorphic soles, we propose this metasomatism occurred during incipient subduction of the Neo-Tethys oceanic rocks. Our studies highlight the significance of deserpentinization at shallow fore-arc mantle settings during subduction initiation and suggest that subducting slabs exhibit more varied dehydration characteristics than previously recognized.</p>
Ophiolites in the Central Asian Orogenic Belt record Cambrian subduction initiation processes
Open the record for dataset details and reuse information.
Datasets: Wedge-shaped southern Indian continental margin without proper weakness hinders subduction initiation
<p>The numerical model results of "Wedge-like southern Indian continental margin without proper weakness hinders subduction initiation".</p>
Dataset for Formation of Metamorphic Soles underlying Ophiolites during Subduction Initiation: A Systematic Numerical Study
<p>The numerical model results in the paper 'Formation of Metamorphic Soles underlying Ophiolites during Subduction Initiation: A Systematic Numerical Study'.</p>
Numerical modeling results for Compression at strike-slip fault is a favorable condition for subduction initiation
<p>Each compressed file contains the visualization data of one model with vtk files. </p> <p>Opensource software Paraview is required to open the vtk files. </p> <p>Put the 'pvsm' file into folds with time.pvd for visulization.</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>
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>
Dataset for the project "Propagation of Subduction Initiation"
<p>The required code and data for the project "Propagation of Subduction Initiation "</p> <p>The open-source code Ellipsis3d is also available at https://geodynamics.org/resources/ellipsis3d</p> <p>Plate reconstruction models are also available at doi:10.1002/ 2016JB012923 and https://www.earthbyte.org/</p> <p> </p>
Early Neoproterozoic intra-oceanic subduction initiation preserved in the Yangtze Craton: Evidence from forearc basalts, boninites and high-Mg andesites in the South Kongling Complex
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OpenNeuro
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