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9 results for “Gabbros”
Early pyroxene crystallisation deep below mid-ocean ridges: Supplementary data of gabbro phase mapping
<p>The data repository contains part of the original microscopy imagery datasets from optical microscopy, electron microscopy backscattered electron (SEM-BSE), and Synchrotron X-ray fluorescence microscopy (XFM) experiments presented in <a href="https://doi.org/10.1016/j.epsl.2025.119423">Ubide et al. (2025)</a> <strong>'Early pyroxene crystallisation deep below mid-ocean ridges' by Teresa Ubide<sup>*</sup>, David T Murphy, Robert B Emo, Michael Jones, Marco Acevedo Zamora, and Balz S Kamber</strong></p> <p>Specifically, it includes the QuPath software (<a href="https://www.nature.com/articles/s41598-017-17204-5">Bankhead et al., 2017</a>) project including rock (mid-ocean ridge olivine gabbro) thin sections 81-R5w and 80-R6w. The project contains the semantic image segmentation outputs generated with the <a href="https://qupath.readthedocs.io/en/stable/docs/tutorials/pixel_classification.html">Pixel Classifier</a> and MatLab script described in <a href="https://www.mdpi.com/2075-163X/13/2/156">Acevedo Zamora et al. 2023</a> (see <a href="https://github.com/marcoaaz/Acevedo-Kamber/tree/main/QuPath_generatingMaps">code repository</a>).</p> <p>Sample 80-R6w was segmented using image annotations in QuPath and an input comprising a false-colour Cr-Ti-Ca XFM image, cross-polarised light maximum intensity (XPL-max), and plane-polarised light (PPL-0 degrees) photomicrographs.</p> <p>Similarly, Sample 81-R5w used a false-colour Cr-Ti-Ca XFM image, <a href="https://github.com/marcoaaz/AcevedoEtAl._2024b_autoencoder">deep sparse autoencoder</a> image representation of XFM (after <a href="https://www.sciencedirect.com/science/article/pii/S0009254124000779?dgcid=rss_sd_all">Acevedo Zamora et al., 2024</a>), cross-polarised light (XPL-0 degrees), plane-polarised light (PPL-0 degrees) photomicrographs, and recoloured SEM-BSE (after <a href="https://www.mdpi.com/2075-163X/13/2/156">Acevedo Zamora et al. 2023</a>). </p> <p>The segmentation of both samples provided a conservative estimate of the locations of relict clinopyroxene cores (~4% volume of cpx mask), mantles, and rims in a similar phase map colour scheme for better comparison.</p> <p>If there are questions regarding the utilisation of the data, contact Marco Acevedo (marco.acevedozamora@qut.edu.au ; maaz.geologia@gmail.com).</p>
Physical state of water controls friction of gabbro-built faults
<p>Experimental data</p> <p>six columns in the CSV. file, from left to right, are: time (s), displacement (mm), friction coefficient, axial displacement (mm), pore pressure (MPa) and temperature (℃). </p>
Dataset for manuscript "Laboratory investigation of hydraulic fracture growth in Zimbabwe gabbro"
<p>Dataset for manuscript: "Laboratory investigation of hydraulic fracture growth in Zimbabwe gabbro" -- dataset of GABB-003, GABB-005 and GABB-006 experiments</p>
Gabbro Bead, SJ13
Bead, gabbro, bidirectional drill direction, string ware, North Florida, Archaic (6200-5200 ya) Part of the Coontie Island Collection, SJ13_251 Model by Emma Dietrich This model was made using RealityCapture software by Capturing Reality. Interior mesh reconstruction made using Geomagic Wrap. Source: Objaverse 1.0 / Sketchfab
Hydraulic fracturing block test experiments in Gabbro & Marble - experiments # GABB-002 & MARB-007
<p>This dataset contains raw, processed and inverted data for 2 hydraulic fracturing tests performed in a Zimbabwe gabbro (GABB-002) and a Carrara Marble (MARB-007) at the Geo-Energy lab @ EPFL.</p> <p>[IMPORTANT NOTE: DUE TO file size-constraint, the raw binary filed containing the acoustic data is not part of this zenodo data set - Please contact Prof. B. Lecampion directly if you are interested in playing with the raw acoustic data file]</p> <p>TEST ID - GABB-002 : Lag/viscosity dominated test in a gabbro</p> <p>TEST ID - MARB-007 : Lag/viscosity dominated test in a carrara Marble</p> <p>The details of these two tests and its analysis is described in details in the following publication:</p> <p><strong>Measurements of the evolution of the fluid lag in laboratory hydraulic fracture experiments in rocks</strong></p> <p>Dong Liu, Brice Lecampion</p> <p>Geo-Energy Laboratory, Gaznat Chair on Geo-Energy, Ecole Polytechique Fédérale de Lausanne, EPFL-ENAC-IIC-GEL, Lausanne, Switzerland</p>
Gabbro Bead, SJ13
Bead, gabbro, bidirectional drill direction, string ware, North Florida, Archaic (6200-5200 ya) Part of the Coontie Island Collection, SJ13_299 Model by Emma Dietrich This model was made using RealityCapture software by Capturing Reality. Interior mesh reconstruction made using Geomagic Wrap. Source: Objaverse 1.0 / Sketchfab
Supplementary data for: PETROGENESIS OF A NEW TYPE OF INTRUSIVE SHERGOTTITE: OLIVINE-GABBRO NORTHWEST AFRICA 13227
<p>3D petrography videos, mineral chemistry data of pyroxene, olivine, maskelynite, Fe-Cr-Ti oxides, and phosphates, as well as bulk rock trace element data for olivine-gabbroic shergottite NWA 13227.</p> <p> </p> <p>For videos, the coloration of phases is as follows: orange = pyroxene, green = olivine, blue = maskelynite, and yellow = accessory phases. Videos S2 and S4 were created using the "Edge Contrast" function in Dragonfly (ORS, 2020), which allows for the edges of the minerals to be emphasized while the grains themselves are semi-transparent. </p>
Calcium isotope composition for gabbro and rodingite samples from Xigaze ophiolite
Open the record for dataset details and reuse information.
Supporting data for "Formation of slab window during slab rollback: Evidence from Early Paleozoic gabbros in Tajik South Tianshan, southwestern Central Asian Orogenic Belt"
<p>This is the supporting materials for the manuscript "Formation of slab window during slab rollback: Evidence from Early Paleozoic gabbros in Tajik South Tianshan, southwestern Central Asian Orogenic Belt" by Yang et al.</p>
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