Gose Jürgen juergen.gose@fau.de Schmädicke Esther esther.schmaedicke@fau.de 0000-0002-0522-8210 Stachel Thomas tstachel@ualberta.ca 2025 Water in eclogite and pyroxenite xenoliths from the bottom 100 km of the Slave Craton (Canada) mantle root dataset https://doi.org/10.1594/PANGAEA.975214 2025-02-12T09:17:41 Significant amounts of water can be stored in the mantle in nominally anhydrous minerals (NAMs) such as garnet, olivine, clino- and orthopyroxene as structural OH− ions. Water or, more precisely, hydrogen is incorporated as a trace element in the mineral structure. Subduction is the only conceivable mode to transport water into the mantle. The main goal of this study is to evaluate the water storage and transport capacity of garnet-clinopyroxene xenoliths (eclogite and pyroxenite, built by metamorphic processes during subduction of oceanic crust) and, in turn, the potential of subducted oceanic crust to recycle water into the mantle. For this purpose, 20 kimberlite-hosted xenoliths from the Diavik diamond mine, Canada, were investigated. The location is known for its abundance of well-preserved xenoliths. Previous studies have shown that the composition of garnet and clinopyroxene is highly variable (e.g., Aulbach et al., 2007), which is favorable for our study. Sample parameters, mineral composition, trace elements, and infrared data are listed in the attached tables. Schmädicke Esther esther.schmaedicke@fau.de 0000-0002-0522-8210 Gose Jürgen juergen.gose@fau.de Stachel Thomas tstachel@ualberta.ca 2025 Water in Eclogite and Pyroxenite Xenoliths From the Bottom 100 km of the Slave Craton (Canada) Mantle Root journal article Geochemistry, Geophysics, Geosystems 26(3) https://doi.org/10.1029/2024GC011922 e2024GC011922 Aulbach Sonja Pearson Norman J O'Reilly Suzanne Y Doyle Buddy J 2007 Origins of Xenolithic Eclogites and Pyroxenites from the Central Slave Craton, Canada journal article Journal of Petrology 48(10) https://doi.org/10.1093/petrology/egm041 1843-1873 -110.23 -110.23 64.5 64.5 -110.23 64.5 DDM Diavik Diamond Mine 64.5 -110.23 Lac de Gras, Canada Outcrop sample OUTCROP Eclogite and peridotite xenoliths from lower continental crust 8 CC-BY-4.0 Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/ File content Content Gose Jürgen juergen.gose@fau.de Content Office Open XML Workbook XLSX Gose Jürgen juergen.gose@fau.de XLSX Office Open XML Workbook (File Size) XLSX (Size) Bytes Gose Jürgen juergen.gose@fau.de XLSX (Size) [Bytes] CurationLevelB Basic curation https://wiki.pangaea.de/wiki/Curation_levels citable Diavik diamond mine (Canada) eclogite FTIR spectroscopy pyroxenite structural water author108658 author109804 author109805 author109824 author39211 author55521 author80095 curlevel20 event3219802 geocode1600 geocode1601 journal6006 journal9478 license21 method11405 param514244 param99583 pi80095 ref131896 ref137183 term67639 term75741 term75742 term75743 term75744 term75749