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https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_988636_v1 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_988636_v1.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_988636_v1/ public [Electron microprobe elemental bulk composition from seafloor sulfide deposits East Pacific Rise 9-10 North] - Electron microprobe elemental bulk composition from seafloor sulfide deposits East Pacific Rise 9-10 North (Collaborative Research: From hot to cold in the dark - shifts in seafloor massive sulfide microbial communities as physical and geochemical conditions change after venting ceases) Electron microprobe elemental bulk composition were collected for seafloor sulfide deposits. Seafloor sulfide mineral samples were collected from hydrothermally active chimneys and inactive off-axis massive sulfide deposits at East Pacific Rise (EPR) 9.50°N in 2019-2021 on cruises AT42-09, AT42-21 and RR2102. Samples were collected using the HOV Alvin or ROV JASON II. Samples were placed in a positive-pressure glove bag flushed with N2 (g), sparged with N2, heat-sealed into mylar bags containing Anaeropaks, and stored at -20°C.\n\nEpoxy embedded petrographic thin sections were created using these samples. Subsamples were dried for 24 hours under N2 (g), vacuum embedded in epoxy resin (Struers EpoFix Resin, 1L kit: Part #40200030) following manufacturer's guidelines, and cured under N2 (g) for 24 hours. Each epoxy-embedded sample was pre-cut using a wafering saw then sent to Spectrum Petrographics, Inc. (Washington, USA) for preparation as 30 micron thick, double-polished thin sections mounted on quartz slides using methods to limit sample exposure to water and ambient air. When not in use, thin-sections were stored under N2 (g) to limit oxidation. Thin sections were analyzed for electron microprobe bulk elemental data using a JEOL JXA-8530FPlus Electron Probe Microanalyzer at the Electron Microprobe Laboratory, Earth and Environmental Sciences-Twin Cities, University of Minnesota.\n\ncdm_data_type = Other\nVARIABLES:\nSample_name (unitless)\nMap_name (unitless)\nreplicate_ID (unitless)\noriginal_source_filename (unitless)\nlatitude (Latitude_dd, degrees_north)\nlongitude (Longitude_dd, degrees_east)\ndepth (Depth_mbs, m)\nHeading_deg (degrees)\nDate_collected_MMDDYYYY (unitless)\nTime_collected (unitless)\nweight_concentration_percentage_O (weight percent (wt %))\n... (33 more variables)\n https://erddap.bco-dmo.org/erddap/metadata/fgdc/xml/bcodmo_dataset_988636_v1_fgdc.xml https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_988636_v1_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_988636_v1/index.htmlTable https://osprey.bco-dmo.org/dataset/988636 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_988636_v1.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_988636_v1&showErrors=false&email= BCO-DMO bcodmo_dataset_988636_v1

 
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