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59 results for “geochronology”
Geochronologic and Paleoenviromental data from pelagic sediments
<p>Geochronologic date including bulk sediments thorium isotopes and authigenic beryllium isotopes data for a pelagic sediment core from northwestern Pacific Ocean are presented in this dataset. Moreover, Nd isotopic compositions of the authigenic Fe–Mn oxyhydroxide fractions extracted from pelagic sediments, together with the redox-sensitive metal proxies (e. g., Mn/Al and Mn/Ti ratios) and grain sizes of bulk sediments fron this sediment core are also included in this dataset.</p>
Dating strike-slip ductile shear through combined zircon-, titanite- and apatite U–Pb geochronology along the southern Tan-Lu Fault zone, East China
<p>This is the dataset for <em>"Dating strike-slip ductile shear through combined zircon-, titanite- and apatite U–Pb geochronology along the southern Tan-Lu Fault zone, East China"</em>. Including the EMPA and geochronology data.</p>
Supplementary materials for Detrital garnet geochronology by in-situ U-Pb and Lu-Hf analysis: A case study from the European Alps
<p>Figure S2. Interactive 3D version of Fig.2 from main text, using the same symbology. To open, unzip folder and launch the .xhtml file in any internet browser. Use scroll wheel to zoom, left-click and drag to rotate.</p> <p><br> Table S1. Analytical parameters for garnet U-Pb and Lu-Hf analysis.</p> <p><br> Table S2. Isotopic and trace-element data.</p> <p><br> Table S3. Raman data.</p>
LA-ICP-MS/MS-based Rb-Sr isotope mappings for geochronology
<p>This is a complementary dataset to the publication LA-ICP-MS/MS-based Rb-Sr isotope mappings for geochronology by Martin Kutzschbach & Johannes Glodny.</p> <p>It contains both raw and corrected isotope ratios of reference materials and sample of all six sessions. Furthermore, the dataset includes Rb/Sr isotope ratios and Rb-Sr ages for every individual pixel within the mica segments outlined in the mappings. Additionally, high-resolution, unedited elemental maps, isotope ratio maps, and Rb-Sr age maps are provided for GER2B, Wil1A, and GÄD08</p>
Toba Caldera geochronological and modelling dataset
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Data from: Redefining the Huayquerian Stage (Upper Miocene to Lower Pliocene) of the South American chronostratigraphic scale based on biostratigraphical analyses and geochronological dating
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Geochemistry and Geochronology data for Great Slave Lake shear zone supracrustal samples
<p>Supplementary tables include bulk compositions used for phase equilibria modelling (Table S1), garnet trace-element data (Tables S2-S3), garnet Lu-Hf isotopic data (Table S4), monazite (Table S5) and zircon (Table S6) U-Pb and trace-element data, and laser ablation-inductively coupled plasma-mass spectrometry instrument settings and metadata (Table S7).</p>
Supplementary geochronological data for "A revised chronostratigraphy of the Triassic-Jurassic Moenave Formation, USA: Implications for timing of continental climate change"
<p>Geochronological data (supplemental tables and figure) related to the article "A revised chronostratigraphy of the Triassic-Jurassic Moenave Formation, USA: Implications for timing of continental climate change", submitted to the Geological Society of America Bulletin.</p>
Supplemental materials for "Modeling apparent Pb loss in zircon U-Pb geochronology"
<p>Supplemental tables, figures, and videos for the article "Modeling apparent Pb loss in zircon U-Pb geochronology", re-submitted to the journal <em>Geochronology</em> (gchron-2023-6) August 2023.</p>
An East Africa origin for Madagascar: evidence from zircon U-Pb geochronology and geochemistry of Neoarchean gneisses and granitoids from the Maevatanana greenstone belt in Madagascar
<p><strong>Table 1 </strong>Results of zircon U–Pb dating of sample G1 from the melanosome bands in the gneiss</p> <p><strong>Table 2 </strong>Results of zircon U–Pb dating of sample M33 from the Neoarchean granitoids</p> <p><strong>Table 3 </strong>Zircon Hf isotopic data for the melanosome bands in the gneiss</p> <p><strong>Table 4 </strong>Zircon Hf isotopic data for Neoarchean granitoids</p> <p><strong>Table 5 </strong>Major element (wt%), trace element (ppm), and REE (ppm) composition of the melanosome bands in the gneiss</p> <p><strong>Table 6 </strong>Major element (wt%), trace element (ppm), and REE (ppm) composition of the Neoarchean granitoids</p>
Supplementary Material - PhD Thesis - "Unravelling the heat budget of the Lepontine dome: interdisciplinary geological, petrological, thermodynamic and geochronological study of shear zones"
<p>Supplementary material of the PhD thesis titled:<br> "<strong>Unravelling the heat budget of the Lepontine dome: interdisciplinary geological, petrological, thermodynamic and geochronological study of shear zones</strong>" by <em>Alessia Tagliaferri</em> (2023)</p> <p>Content: Excel table datasets, Matlab codes, figures, movies.</p> <p> </p>
FIGURE 3. Zircon U in Geochronology of the middle Eocene Purple Bench locality (Devil's Graveyard Formation), Trans-Pecos Texas, USA
FIGURE 3. Zircon U-Pb results from tuffaceous sandstones of the Devil's Graveyard Fm. analyzed via LAICP-MS. Results were filtered to exclude single grain ages with>15% discordance between 235U/207Pb age and 238U/206Pb age, or>10% propagated analytical error in 238U/206Pb age. Weighted means were calculated for each sample using Tuff extractor plugin from the ISOPLOT package (Ludwig and Mundil, 2002; Ludwig, 2003). Number of grains used in TuffZirc algorithm displayed as n= # of ages used by TuffZirc / # of ages total for sample. Data are displayed as kernel density estimators (KDEs) with a bandwidth of 1 Myr (Vermeesch, 2018). Individual zircon ages and 2s standard errors are displayed as vertically stacked boxes. Individual ages in red were used in the calculation of the weighted mean. Weighted means and errors are displayed as a grey box with a bar representing the mean.
FIGURE 4 in Geochronology of the middle Eocene Purple Bench locality (Devil's Graveyard Formation), Trans-Pecos Texas, USA
FIGURE 4. Comparison of new and published age estimates for the Devil's Graveyard Fm. and the Purple Bench tuff. Walton (1992) placed the Purple Bench tuff at the C20R-C20N chron transition (43.43 Ma; recalibrated to GST2012; Gradstein et al., 2012), while Prothero (1996) placed the Purple Bench tuff within the C18R chron (41.15- 40.14 Ma; recalibrated to GST2012; Gradstein et al., 2012).
Datasets of mineral composition and geochronological result of Barrovian metamorphic sequence rocks in the Ailao Shan massif
<p>This file includes the supporting information and supplementary date of the manuscript titled“Thermal and physical properties of Barrovian metamorphic sequence rocks in the Ailao Shan-Red River shear zone, and implications for crustal channel flow”</p>
Zircon U-Pb geochronology of Baoyintu beds in the northwestern margin of the North China Craton
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Supplementary Tables - U-Pb geochronology of DeBrit thesis sample, Ballinalack carbonate hosted ore body
<p>Supplementary data table from the Chapter 8 of Vincent Monchal PhD thesis that include<span> a series of samples from a former TCD thesis (DeBrit, 1989) that investigated the relative timing of structural events and base metal emplacement using calcite veins and cements in the Carboniferous of north-central Ireland.</span></p> <p>For each table, the processed data of chemical and isotopic composition is presented along with criteria used to define the ROI, pooling channel, information on map size and relevant pictures of map and ROI selection. Geochronology results are presented in the three system mentioned in the method chapter of the PhD thesis (Chapter 3).</p> <p>In each file the first thumbnail is the results of QC material DBT, while the second thumbnail is the sample, if there is more than two thumbnail, that mean that the sample provided multiple zonations which were datable.</p>
Supplementary Tables - U-Pb geochronology of calcite vein systems in southwestern Ireland: constraints on the post-Variscan tectonic evolution
<p>Supplementary data table from the manuscript U-Pb geochronology of calcite vein systems in southwestern Ireland: constraints on the post-Variscan tectonic evolution.</p> <p>For each table, the processed data of chemical and isotopic composition is presented along with criteria used to define the ROI, pooling channel, information on map size and relevant pictures of map and ROI selection. Geochronology results are presented in the three system mentioned in the method part of the manuscript.</p> <p>In each file the first thumbnail is the results of QC material DBT, while the second thumbnail is the sample, if there is more than two thumbnail, that mean that the sample provided multiple zonations which were datable.</p>
Data from: Holocene Sediment Provenance Evolution in the Northern South China Sea Inferred from Detrital Zircon Geochronology
<p>The supporting information here provides the AMS <sup>14</sup>C geochronological data of core sediments (Table S1) and LA-ICP-SF-MS U-Pb results of detrital zircon grains (Table S2) within this study.</p>
Late Permian-Early Triassic intracontinental tectonic inversion in the Junggar Basin, NW China: New insights from detrital zircon geochronology and seismic reflection data
<p>The detrital zircon U-Pb isotope data from the Mahu sag is included in the Supporting Information.</p>
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Allen Brain Atlas
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.