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2 results for “elemental geochemistry”
Geochemistry and petrography of martian meteorite Northwest Africa 11115: A rare earth element-enriched olivine-phyric shergottite closely linked to Northwest Africa 1068
<p>This is the Electronic Appendix of the manuscript "<strong>Geochemistry and petrography of martian meteorite Northwest Africa 11115: A rare earth element-enriched olivine-phyric shergottite closely linked to Northwest Africa 1068</strong>", by M. Melwani Daswani, N. Greber, J. Hu, R. C. Greenwood, and P. R. Heck, submitted to <em>Meteoritics & Planetary Science</em>.</p> <p>Corresponding author: M. Melwani Daswani (daswani@jpl.caltech.edu)</p> <p>The compressed folder contains two files:</p> <p>1) <strong>NWA11115_CT_scan_TIFF_substack.tif</strong></p> <p>This is a TIFF image stack of the CT scan of the full NWA 11115 sample. Open in a program such as ImageJ (Rasband, W.S., ImageJ, U. S. National Institutes of Health, Bethesda, Maryland, USA, <a href="https://imagej.nih.gov/ij/">https://imagej.nih.gov/ij/</a>, 1997-2018).</p> <p>2) <strong>NWA11115_CT_scan_60FPS_JPEG.avi</strong></p> <p>This is a video file of the CT scan of the same NWA 11115 sample. The TIFF stack was converted to a video file (.avi), compressed to JPEG quality, and at a rate of 60 frames per second. Open this file with software such as VLC (<a href="https://www.videolan.org/vlc/">https://www.videolan.org/vlc/</a>).</p> <p> </p> <p><strong>Acknowledgements</strong></p> <p>The authors acknowledge T. Boudreaux for donating NWA 11115 to the Field Museum, J. Greer and J. Holstein for help with sample preparation, L. Kööp and B. Strack for SEM support, S. Rastegar for preliminary SEM analysis, L. Dussubieux for LA-ICP-MS support, A. I. Neander and Z.-X. Luo for CT scanning and support, and J. Filiberto and A. Treiman for useful discussions. We thank Thomas Pettke for assistance with LA-ICP-MS analyzes of the pressed powder pellets at the University of Bern. GPS Division analytical facilities at Caltech and Chi Ma are thanked for the support on EMPA analysis. PRH acknowledges support from the Tawani Foundation. MMD’s portion of the work was done partly as a private venture and not in the author’s capacity as an employee of the Jet Propulsion Laboratory, California Institute of Technology. The authors declare no competing interests.</p> <p>EOF</p>
Radionuclide, particle size and elemental geochemistry analysis results of the Poechos sediment core, northern Peru
<p>This database presents the particle size, elemental geochemistry and radionuclide analyses carried out on the 19CO3 core (IGSN number: 10.58052/IEFOU0009) collected in June 2019 in the Poechos reservoir (Peru). These results are part of the publication <em>" El Niño-Southern Oscillation (ENSO)-driven hypersedimentation in the Poechos Reservoir, northern Peru "</em> available via the following link: http://dx.doi.org/10.5194/egusphere-2022-1233</p> <p>Corresponding authors: anthony.foucher@lsce.ipsl.fr</p> <p>Particle size analysis was performed using a laser grain sizer Malvern Mastersizer 3000 allowing to measure the grain size distribution between 10 nm and 3.5 mm. Particle size was measured on the sandy layers identified along the core (n=19) Grain size parameters such as d10, d50, d90 and raw are present on the file: <em>Particle_size_POECHOS-reservoir_Foucher-et-al</em></p> <p>Sediment core sections were analyzed with an Avaatech X-Ray Fluorescence core scanner (XRF) available at the Laboratoire des Sciences du Climat et de l’Environnement (Gif-sur-Yvette, France) with a 0.5 cm resolution. These data are available on the file: <em>XRF_core_scanner_POECHOS-reservoir_Foucher-et-al</em></p> <p>Gamma spectrometry measurements were obtained using HPGe detectors (Canberra/Ortec) available at the Laboratoire des Sciences du Climat et de l’Environnement. Short-lived radionuclides (e.g., caesium-137 (137Cs) and excess of lead-210 (210Pbex)) were measured in 12 samples of dry sediment (≈10g) collected along the sedimentary sequence (approximatively every 40 cm). The data are available on the file: <em>Radionuclides_POECHOS-reservoir_Foucher-et-al</em></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
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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.