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25 results for “geodynamics”
Testing absolute plate reference frames and the implications for the generation of geodynamic mantle heterogeneity structure
<div>Description of Resources - Shephard et al. (2012)</div> <div> </div> <div>This file provides a detailed description of all of the files that make up the data collection associated with the publication: Shephard, G. E., Bunge, H. P., Schuberth, B. S., Müller, R. D., Talsma, A. S., Moder, C., & Landgrebe, T. C. W. (2012). Testing absolute plate reference frames and the implications for the generation of geodynamic mantle heterogeneity structure. Earth and Planetary Science Letters, 317, 204-217. doi: <a href="https://doi.org/10.1016/j.epsl.2011.11.027" target="_blank" rel="noopener">10.1016/j.epsl.2011.11.027</a></div> <div> </div> <div>Note: For information on file formats and what programs to use to interact with various file formats, see "File Formats and Recommended Programs”.</div> <div> </div> <div>This data collection includes both the rotations and topologically closed polygons* for each of the 5 absolute reference frames that were tested in the publication. They are to be loaded in GPlates (<a href="http://www.gplates.org" target="_blank" rel="noopener">http://www.gplates.org</a>).</div> <div> </div> <div>*Topologically closed plate polygons are constructed from the intersection of ridges, transforms, subduction zones and other plate boundary geometries. These 'resolved topologies' are valid at 1 Myr intervals. The plate boundary geometries and plate polygons have been assigned plate reconstruction IDs to allow them to be reconstructed using the supplied rotation files. </div> <div> </div> <div>The files associated with this data collection include:</div> <div>• <strong>Hybrid hotspot model (Moving and Fixed hotspots) (HHS)</strong></div> <div>* Caltech_Global_20110311HHS.gpml (37 MB) - topologically closed plate polygons and plate boundary geometries</div> <div>* Caltech_Global_20110412HHS.rot (287 KB)- global rotation model</div> <div> </div> <div>• <strong>Fixed hotspot model (FHS)</strong></div> <div>* Caltech_Global_20110311FHS.gpml (36.8 MB) - topologically closed plate polygons and plate boundary geometries</div> <div>* Caltech_Global_20110412FHS.rot (291 KB) - global rotation model</div> <div> </div> <div>•<strong> Hybrid hotspot and palaeomagnetic model (PMG)</strong></div> <div>* Caltech_Global_20110311PMG.gpml (35.9 MB) - topologically closed plate polygons and plate boundary geometries</div> <div>* Caltech_Global_20110412PMG.rot (287 KB) - global rotation model</div> <div> </div> <div>• <strong>Subduction reference frame model (SUB)</strong></div> <div>* Caltech_Global_20110311SUB.gpml (36 MB) - topologically closed plate polygons and plate boundary geometries</div> <div>* Caltech_Global_20110412SUB.rot (287 KB) - global rotation model</div> <div> </div> <div>• <strong>Hybrid hotspot and TPW-corrected palaeomagnetic model (TPW)</strong></div> <div>* Caltech_Global_20110311TPW.gpml (36.8 MB) - topologically closed plate polygons and plate boundary geometries</div> <div>* Caltech_Global_20110412TPW.rot (287 KB)- global rotation model</div> <div> </div> <div>Project files (.gproj) are included for each .gpml/.rot pair.</div> <div> </div> <div>This article has additional supplementary data available with the online publication.</div> <div> </div> <div> </div> <div>Additional notes:</div> <div>*.rot contains the rotations for all plates and topological polygons.</div> <div>Each model is specific according to the African Plate (Plate ID 701) rotations. The rotations for all other plates are the same across each of the five models with the exception of cross-overs involving Pacific/Panthalassa plates for times earlier than 83.5Ma; these must be absolute reference frame specific and were re-calculated for each model. Programs used to calculate the new finite rotations include "adder" and "seaflow" </div> <div> </div> <div>*.gpml and .shp files contain continuously closing plate polygons i.e. from plate boundaries, from 140 Ma to present-day in 1 million year increments. </div> <div>These files differ slightly from those used in the paper, but are the most up-to-date version (as at May 2011) and are based on an updated model, Seton et al. (2012).</div> <div>They are specific to each of the five absolute reference frames. </div> <div> </div> <div>Note on velocity calculations in GPlates:</div> <div>GPlates calculates the velocity within each plate based on the stage rotation for that time period and averages for that respective period. For this reason, the velocities of a plate do not change incrementally within the time period and then abruptly change according to the next time period/stage rotation. </div> <div>This is also why there appears to be a "jump" in velocity magnitude and direction between 140 and 139 Ma.</div>
Measurements in October 2021 using a digital magnetic variation station at the Simeiz-Katsiveli geodynamic test site
<p>Measured by the digital magnetic variation station at the Simeiz-Katsiveli test site during the period October 07–21, 2021.</p>
Tectono-stratigraphic and thermal evolution of the western Betic flysch: implications for the geodynamics of South Iberian margin and Alboran Domain
<p>Table and Figure from article "<strong>Tectono-stratigraphic and thermal evolution of the western Betic flysch: implications for the geodynamics of South Iberian margin and Alboran Domain" accepted to AGU, Tectonics</strong></p>
The segregation of recycled basaltic material within mantle plumes explains the detection of the X-Discontinuity beneath hotspots: 2D geodynamic simulations: Data
<pre>This repository accompanies the paper ``` The segregation of recycled basaltic material within mantle plumes explains the detection of the X-Discontinuity beneath hotspots: 2D geodynamic simulations by Martina Monaco, Juliane Dannberg, Rene Gassmoeller, Stephen Pugh ``` The global models presented in the manuscript were run using the following dependencies: ``` ----------------------------------------------------------------------------- -- This is ASPECT, the Advanced Solver for Problems in Earth's ConvecTion. -- . version 2.3.0-pre (master, 74e48be) -- . using deal.II 9.3.0 -- . with 32 bit indices and vectorization level 2 (256 bits) -- . using Trilinos 12.10.1 -- . using p4est 2.2.0 ----------------------------------------------------------------------------- ``` This repository contains: - The 'all_model_series' folder with the files used to analyze the depth averages. Each series (100, Aoki, Hefesto) has its own subfolder; - The 'plugins' folder, with the required plugin to run the models. To compile the plugin, navigate into this directory and follow the steps: 1. `cmake -D Aspect_DIR=PATH_TO_ASPECT` (replace `PATH_TO_ASPECT` with the directory where you compiled ASPECT). 2. `make` - The 'run_series' bash script, with the command to run multiple models at once. The user should modify: ° The input file name: INPUT_FILE=heterogeneity-several-blobs-INSERT-SERIES.prm ° The directory where ASPECT is located: srun --mpi=pmix_v2 $HOME/aspect/aspect-build/aspect --" echo -e $COMMAND | sbatch --job-name gs_${viscosity}_spacing_${blob_spacing} -p hpg2-compute -N 1 -n 32 -t 3-23:59:00 -o output_gs_${viscosity}_spacing_${blob_spacing}.%j -e error_gs_${viscosity}_spacing_${blob_spacing}.%j --constraint 'haswell|skylake' --mem-per-cpu '3gb' --distribution block; - The three parameter files (.prm), one per series; - Two .py files containing the scripts necessary to plot all the figures in the paper</pre>
(Dataset) Evaluating tomotectonic plate reconstructions using geodynamic models with data assimilation, the case for North America
<p>Dataset for the paper:</p> <p>Evaluating tomotectonic plate reconstructions using geodynamic models with data assimilation, the case for North America</p> <p>For more infomation, please look into the README file or contact ljliu@illinois.edu, thank you!</p>
Dataset for "Plume-driven weakening of the lithosphere and geodynamic implications"
<p><strong>Dataset for numerical modeling results of "Plume-driven weakening of the lithosphere and geodynamic implications". These data can be used for reproducing all the numerical figures.</strong></p>
Fluvial Response to Differential Activity of the Litang Fault System: Implications for Fault Kinematics and Geodynamics in the Southeastern Tibetan Plateau
<p>Supporting information accompanies the publication "Fluvial Response to Differential Activity of the Litang Fault System: Implications for Fault Kinematics and Geodynamics in Southeastern Tibetan Plateau ". </p> <p>Table S1 presents information related to all the extracted river channels including the drainage area and outlet elevation. The elevation, horizontal and vertical migration distances of knickpoints, as well as<em> ksn</em> values above and below the knickpoints have also been included.</p> <p>All the river longitudinal profiles extracted in this study, including the knickpoint position on the longitudinal profiles and the high-precision DEM data presented in Figures 9a and 10a, are provided .</p>
Supplementary Datasets for 'Exploring rift geodynamics in Ethiopia through olivine-spinel Al-exchange thermometry and rare-earth element distributions'
<p>Supplementary Datasets for 'Exploring rift geodynamics in Ethiopia through olivine-spinel Al-exchange thermometry and rare-earth element distributions'.</p> <p>Dataset S1: Qualitative X-ray maps of Mg, Ca, Al, Ni, P in olivine-spinel pairs.<br> Dataset S2: Quantitative EPMA point analyses of olivine and spinel. Includes Sheet 1: Secondary standards; Sheet 2: Sample data.<br> Dataset S3: Full inversion outputs from MultiNest.</p>
The Dataset for the Joint geodynamic-geophysical inversion reveals passive subduction and accretion of the Ontong Java Plateau
<p>The Dataset for the Joint geodynamic-geophysical inversion reveals passive subduction and accretion of the Ontong Java Plateau</p>
Supplementary datasets for "Thermal evolution of the lithosphere-asthenosphere boundary beneath arc and its geodynamic implications: depth variation of thermal histories of mantle xenoliths from Ichinomegata, Northeast Japan"
<p>Supplementary datasets for Sato and Ozawa (2023, JGR:SE) "Thermal evolution of the lithosphere-asthenosphere boundary beneath arc and its geodynamic implications: depth variation of thermal histories of mantle xenoliths from Ichinomegata, Northeast Japan"</p> <p><strong>Data Set S1.</strong> Original chemical zoning profile data of olivine and pyroxene and raw results of the diffusion modelling applied to them.</p> <p><strong>Data Set S2.</strong> Original X-ray mapping data of olivine and pyroxene.</p> <p><strong>Data Set S3.</strong> Composite images of microphotographs showing the entire thin section of the examined xenolith samples.</p>
Fault interaction and its impact on crustal extrusion in southeastern Tibetan Plateau: insights from geodynamical numerical modeling
<p>Files include the data of the numerical model and model results of all cases in the study.</p>
Supplementary Data for Crelier et al. (2025) entitled "Mobility of South America's Transcontinental Drainage Divide and Shrinkage of the Paraná River Basin Linked to Lithologic and Geodynamic Controls"
<p>Supplementary Data for Crelier et al. (2025) entitled “Mobility of South America’s Transcontinental Drainage Divide and Shrinkage of the Paraná River Basin Linked to Lithologic and Geodynamic Controls” and published in Springer Nature's Scientific Reports.</p>
Data set for: Crustal Azimuthal Anisotropy Beneath the Southeastern Tibetan Plateau and its Geodynamic Implications
<p>Abstract of the original paper:</p> <p>Zheng, T., Ding, Z., Ning, J., Chang, L., Wang, X., Kong, F., Liu, K.H., & Gao, S.S. (2018).<br> Crustal azimuthal anisotropy beneath the southeastern Tibetan Plateau and its geodynamic implications.<br> <em><strong>Journal of Geophysical Research: Solid Earth, 123(11)</strong>, 9733-9749. </em> <a href="https://agupubs.onlinelibrary.wiley.com/doi/abs/10.1029/2018JB015995"> https://doi.org/10.1029/2018JB015995</a></p> <p>The fast orientation and magnitude of crustal azimuthal anisotropy beneath the southeastern Tibetan Plateau and adjacent areas are measured by analyzing the sinusoidal moveout of the <em>P</em> to <em>S</em> converted phase from the Moho. Beneath the tectonically active plateau, the mean magnitude is 0.48 ± 0.13 s, which is about twice as large as that observed in the stable Sichuan Basin (0.23 ± 0.10 s). The two areas are separated by the Longmenshan fault zone, a zone of devastating earthquakes including the 12 May 2008 <em>M</em><sub><em>W</em></sub> 7.9 Wenchuan earthquake. Fault orthogonal fast orientations observed in the southern Longmenshan fault zone, where previous studies have revealed high crustal <em>V</em><sub><em>p</em></sub>/<em>V</em><sub><em>s</em></sub> and suggested the presence of mid‐lower crustal flow, may reflect flow‐induced lattice preferred orientation of anisotropic minerals. Fault parallel anisotropy in the central segment of the fault zone is most likely related to fluid filled fractures, and fault perpendicular extensional cracks are probably responsible for the observed anisotropy in the northern segment. The crustal anisotropy measurements, when combined with results from previous studies, suggest the existence of mid‐lower crustal flow beneath the southeastern margin of the plateau. Comparison of crustal anisotropy obtained before and after the Wenchuan earthquake suggests that the earthquake has limited influence on whole crustal anisotropy, although temporal changes of anisotropy associated with the earthquake have been reported using splitting of shear waves from local earthquakes occurred in the upper crust.</p>
The reservoir-induced 2023 Heyuan, earthquake sequence in Guangdong, China and its geodynamic implications
Open the record for dataset details and reuse information.
High-magnesium igneous associations give new insights into geodynamic evolution of the accretionary Central Asian Orogenic Belt
<p>Much controversy exists regarding the evolution and termination of accretionary orogens where typical continent-continent collision features are lacking. The Central Asian Orogenic Belt (CAOB) thus provides a golden opportunity. Precise zircon dating identified two-stage Triassic magmatic events in the southeast CAOB. The Olenekian andesites show typical sanukitoids affinities and yield depleted Hf isotopic compositions and high δ<sup>18</sup>O values, indicating that they were originated by partial melting of mantle peridotites with input of 20% terrigenous sediments. The Norian diorites have geochemical characteristics comparable with high-Mg adakites. Their depleted isotopic compositions and high Th/Nb and Ba/Nb ratios conform to an origin that melting of delaminated mafic lower crust subsequently interacted with mantle materials. These two-stage abnormal Triassic high-Mg rocks archive hot slab window triggered by break-off the Paleo-Asian oceanic slab and lower-crustal delamination related to collapse of the southeast CAOB. This study further benefits the reconstruction of East-Asian blocks in Pangea.</p>
The dataset for the paper "Long-Lived and Continual Volcanic Eruptions, Tectonic Activity, Pit Chains Formation and Boulder Avalanches in Northern Tharsis Region: Implications for Late Amazonian Geodynamics and Seismo-Tectonic Processes on Mars" JGR: Planets.
<p>This dataset pertains to the following paper in Journal of Geophysical Research: Planets.</p> <p>Krishnan, V., and Kumar, P.S. (2022), Long-Lived and Continual Volcanic Eruptions, Tectonic Activity, Pit Chains Formation and Boulder Avalanches in Northern Tharsis Region: Implications for Late Amazonian Geodynamics and Seismo-Tectonic Processes on Mars, Journal of Geophysical Research: Planets (for full citation, please see the journal). AGU Manuscript No. 2022JE007511.</p> <p> </p>
Data of "Towards linking slab window geodynamics with the geophysical and geochemical signature of the upper mantle", Sanhueza et al. EPSL
<p><strong>Description for sanhuezaetal_epsl_ternary.zip</strong><br> These files contain a high resolution figure and a script to reproduce the ternary diagram (Figure 5d) of the paper:</p> <p>Sanhueza et al. Towards linking slab window geodynamics with the geophysical and geochemical signature of the upper mantle, <br> under review in Earth and Planetary Science Letters.</p> <p>A high resolution figure of the ternary diagram is provided (sanhuezaetal_EPSL_ternary.pdf).</p> <p>In addition, the MATLAB script to plot this diagram is included.<br> This script (ternary_plot.m) uses 4 files: temp_RGB.txt, melt_RGB.txt, matrix_RGB.txt, rminmax_RGB.txt</p> <p><br> FILE LIST<br> sanhuezaetal_EPSL_ternary.zip<br> -sanhuezaetal_EPSL_ternary.pdf - High resolution Figure 5d of the manuscript<br> -ternary_plot.m - MATLAB script to generate Figure 5d<br> -temp_RGB.txt - Normalized temperatures in the r-alpha space<br> -melt_RGB.txt - Normalized upward melt flux in the r-alpha space<br> -matrix_RGB.txt - Normalized upward matrix flux in the r-alpha space<br> -rminmax.txt - Envelope of r = rcmin and r = rcmax<br> </p> <p>---------------------------------------------------------------------------------------------------------------------------------------------------------------</p> <p><strong>Description for sanhuezaetal_epsl_3dmodelresults.zip</strong><br> These files contain 3D model results presented in the manuscript:</p> <p>Sanhueza et al. Towards linking slab window geodynamics with the geophysical and geochemical signature of the upper mantle, <br> under review in Earth and Planetary Science Letters.</p> <p>These files were obtained after interpolating the model in a regular grid with cells of 10 km x 10 km x 10 km.</p> <p><br> FILE LIST<br> sanhuezaetal_EPSL_results.zip</p> <p>a0r1_Tvxvyvz.txt, a0r2_Tvxvyvz.txt a0r05_Tvxvyvz.txt<br> a10r1_Tvxvyvz.txt, a10r3_Tvxvyvz.txt, a10r04_Tvxvyvz.txt<br> a20r1_Tvxvyvz.txt, a20r2_Tvxvyvz.txt, a20r05_Tvxvyvz.txt<br> a30r1_Tvxvyvz.txt, a30r07_Tvxvyvz.txt, a30r15_Tvxvyvz.txt<br> a45r1_Tvxvyvz.txt, a45r08_Tvxvyvz.txt, a45r12_Tvxvyvz.txt<br> a60r1_Tvxvyvz.txt, a70r1_Tvxvyvz.txt</p>
Phylogenomics of the Andean tetraploid clade of the American Amaryllidaceae (subfamily Amaryllidoideae): unlocking a polyploid generic radiation abetted by continental geodynamics
<p>The second large clade of the endemic American Amaryllidaceae subfam. Amaryllidoideae constitutes the tetraploid-derived (<i>n</i> = 23) Andean-centered tribes, most of which have 46 chromosomes. Despite progress in resolving phylogenetic relationships of the group with nrDNA, certain subclades were poorly resolved or weakly supported in those previous studies. Sequence capture using anchored hybrid enrichment was employed across 95 species of the clade along with five outgroups and generated sequences of 524 nuclear genes and a partial plastome. Maximum likelihood phylogenetic analyses were conducted on concatenated supermatrices, and coalescent species tree analyses were run on the gene trees, followed by hybridization network, age diversification and biogeographic analyses. The four tribes Clinantheae, Eucharideae, Eustephieae (the first branch), and Hymenocallideae (sister to <i>Clinanthus</i>) are resolved in all analyses with 100% support. Nuclear gene supermatrix and species tree results were largely in concordance; however cytonuclear discordance was evident. Hybridization network analysis identified significant reticulation in <i>Clinanthus</i>, <i>Hymenocallis</i>, <i>Stenomesson</i> and the subclade of Eucharideae comprising <i>Eucharis</i>, <i>Caliphruria</i>, and <i>Urceolina</i>. Our data support a previous treatment of the latter as a single genus, <i>Urceolina</i>, with the addition of <i>Eucrosia</i> <i>dodsonii</i>. Biogeographic analysis and penalized likelihood age estimation suggests an origin in the central Andean region (north and central Peru) for the complex in the mid-Oligocene, with more dispersals than vicariances in its history, but no extinctions. The Eucharideae experienced a sudden lineage radiation ca. 10 Mya. We tie much of the divergences in the Andean-centered lineages to the rise of the Andes, directly and indirectly, and suggest that the Amotape-Huancabamba Zone functioned as both a corrider (dispersal) and a barrier to migration (vicariance). Several taxonomic changes are made. This is the largest DNA sequence data set to be applied within Amaryllidaceae to date.The second large clade of the endemic American Amaryllidaceae subfam. Amaryllidoideae constitutes the tetraploid-derived (<i>n</i> = 23) Andean-centered tribes, most of which have 46 chromosomes. Despite progress in resolving phylogenetic relationships of the group with nrDNA, certain subclades were poorly resolved or weakly supported in those previous studies. Sequence capture using anchored hybrid enrichment was employed across 95 species of the clade along with five outgroups and generated sequences of 524 nuclear genes and a partial plastome. Maximum likelihood phylogenetic analyses were conducted on concatenated supermatrices, and coalescent species tree analyses were run on the gene trees, followed by hybridization network, age diversification and biogeographic analyses. The four tribes Clinantheae, Eucharideae, Eustephieae (the first branch), and Hymenocallideae (sister to <i>Clinanthus</i>) are resolved in all analyses with 100% support. Nuclear gene supermatrix and species tree results were largely in concordance; however cytonuclear discordance was evident. Hybridization network analysis identified significant reticulation in <i>Clinanthus</i>, <i>Hymenocallis</i>, <i>Stenomesson</i> and the subclade of Eucharideae comprising <i>Eucharis</i>, <i>Caliphruria</i>, and <i>Urceolina</i>. Our data support a previous treatment of the latter as a single genus, <i>Urceolina</i>, with the addition of <i>Eucrosia</i> <i>dodsonii</i>. Biogeographic analysis and penalized likelihood age estimation suggests an origin in the central Andean region (north and central Peru) for the complex in the mid-Oligocene, with more dispersals than vicariances in its history, but no extinctions. The Eucharideae experienced a sudden lineage radiation ca. 10 Mya. We tie much of the divergences in the Andean-centered lineages to the rise of the Andes, directly and indirectly, and suggest that the Amotape-Huancabamba Zone functioned as both a corrider (dispersal) and a barrier to migration (vicariance). Several taxonomic changes are made. This is the largest DNA sequence data set to be applied within Amaryllidaceae to date.</p>
Monitoring of Seismic Geodynamics of the Earth's Crust of Central Armenia_DATASET
Open the record for dataset details and reuse information.
Microstructural and seismic characteristics of oriented mantle xenoliths from Damaping area, and their geodynamic implications of North China Craton destruction
<p>The uploaded files are original EBSD data of Damaping mantle xenoliths.</p>
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