BCO-DMO ERDDAP
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Row Type Variable Name Attribute Name Data Type Value
attribute NC_GLOBAL cdm_data_type String Other
attribute NC_GLOBAL Conventions String COARDS, CF-1.6, ACDD-1.3
attribute NC_GLOBAL creator_email String info at bco-dmo.org
attribute NC_GLOBAL creator_name String BCO-DMO
attribute NC_GLOBAL creator_url String https://www.bco-dmo.org/ (external link)
attribute NC_GLOBAL doi String 10.26008/1912/bco-dmo.988651.1
attribute NC_GLOBAL infoUrl String https://osprey.bco-dmo.org/dataset/988651 (external link)
attribute NC_GLOBAL institution String BCO-DMO
attribute NC_GLOBAL license String The data may be used and redistributed for free but is not intended\nfor legal use, since it may contain inaccuracies. Neither the data\nContributor, ERD, NOAA, nor the United States Government, nor any\nof their employees or contractors, makes any warranty, express or\nimplied, including warranties of merchantability and fitness for a\nparticular purpose, or assumes any legal liability for the accuracy,\ncompleteness, or usefulness, of this information.
attribute NC_GLOBAL sourceUrl String (local files)
attribute NC_GLOBAL summary String Electron microprobe wavelength dispersive spectroscopy (WDS) data 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 during 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 prepared from these samples. Subsamples were dried for 24 hours under N₂(g), vacuum-embedded in epoxy resin (Struers EpoFix Resin, 1 L kit; Part #40200030) following the manufacturer's guidelines, and cured under N₂(g) for 24 hours. Each epoxy-embedded sample was pre-cut using a wafering saw and then sent to Spectrum Petrographics, Inc. (Washington, USA) for preparation as 30 µm thick, double-polished thin sections mounted on quartz slides, using methods designed 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 by electron microprobe WDS using a JEOL JXA-8530FPlus Electron Probe Microanalyzer at the Electron Microprobe Laboratory, Earth and Environmental Sciences, Twin Cities, University of Minnesota.
attribute NC_GLOBAL title String [EPR 9-10 North Electron Microprobe Wavelength Spectroscopy] - Electron microprobe wavelength dispersive spectroscopy from seafloor sulfide deposits East Pacific Rise 9-10 North from R/V Atlantis, R/V Roger Revelle AT42-09, AT42-21, RR2102 from October 2020 (Hot2cold Vents project) (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)
variable name String
attribute name long_name String Name
attribute name units String unitless
variable ISO_DateTime_UTC String
attribute ISO_DateTime_UTC long_name String Iso_datetime_utc
attribute ISO_DateTime_UTC units String unitless
variable comment String
attribute comment long_name String Comment
attribute comment units String unitless
variable stage_x float
attribute stage_x actual_range float -22.5468, 25.3565
attribute stage_x long_name String Stage_x
attribute stage_x units String micrometer (um)
variable stage_y float
attribute stage_y actual_range float -11.1828, 23.8919
attribute stage_y long_name String Stage_y
attribute stage_y units String micrometer (um)
variable stage_z float
attribute stage_z actual_range float 10.468, 10.6945
attribute stage_z long_name String Stage_z
attribute stage_z units String micrometer (um)
variable Acc_Voltage_kV int
attribute Acc_Voltage_kV actual_range int 20, 20
attribute Acc_Voltage_kV long_name String Acc_voltage_kv
attribute Acc_Voltage_kV units String kilovolt (kV)
variable Probe_Dia_um int
attribute Probe_Dia_um actual_range int 5, 5
attribute Probe_Dia_um long_name String Probe_dia_um
attribute Probe_Dia_um units String micrometer (um)
variable Scan String
attribute Scan long_name String Scan
attribute Scan units String unitless
variable Mag int
attribute Mag actual_range int 1000, 1000
attribute Mag long_name String Mag
attribute Mag units String unknown
variable Curr_A float
attribute Curr_A actual_range float 4.0E-8, 4.0E-8
attribute Curr_A long_name String Curr_a
attribute Curr_A units String amperage (A)
variable Element String
attribute Element long_name String Element
attribute Element units String unitless
variable Crystal String
attribute Crystal long_name String Crystal
attribute Crystal units String unitless
variable Peak_mm float
attribute Peak_mm actual_range float 77.25, 197.15
attribute Peak_mm long_name String Peak_mm
attribute Peak_mm units String millimeter (mm)
variable BG_lower_wavelength_mm float
attribute BG_lower_wavelength_mm actual_range float 0.1, 4.15
attribute BG_lower_wavelength_mm long_name String Bg_lower_wavelength_mm
attribute BG_lower_wavelength_mm units String millimeter (mm)
variable BG_higher_wavelength_mm float
attribute BG_higher_wavelength_mm actual_range float 0.6, 4.4
attribute BG_higher_wavelength_mm long_name String Bg_higher_wavelength_mm
attribute BG_higher_wavelength_mm units String millimeter (mm)
variable Net_cps float
attribute Net_cps actual_range float 4.8, 48175.2
attribute Net_cps long_name String Net_cps
attribute Net_cps units String counts per second
variable Bg_lower_wavelength_cps float
attribute Bg_lower_wavelength_cps actual_range float 4.9, 455.3
attribute Bg_lower_wavelength_cps long_name String Bg_lower_wavelength_cps
attribute Bg_lower_wavelength_cps units String counts per second
variable Bg_higher_wavelength_cps float
attribute Bg_higher_wavelength_cps actual_range float 6.5, 274.0
attribute Bg_higher_wavelength_cps long_name String Bg_higher_wavelength_cps
attribute Bg_higher_wavelength_cps units String counts per second
variable ZAF_type String
attribute ZAF_type long_name String Zaf_type
attribute ZAF_type units String unitless
variable K_raw_percent float
attribute K_raw_percent actual_range float 0.002, 32.062
attribute K_raw_percent long_name String K_raw_percent
attribute K_raw_percent units String percent (%)
variable Mass_percent float
attribute Mass_percent actual_range float 0.008, 98.652
attribute Mass_percent long_name String Mass_percent
attribute Mass_percent units String percent (%)
variable Atom_percent float
attribute Atom_percent actual_range float 0.0043, 97.3768
attribute Atom_percent long_name String Atom_percent
attribute Atom_percent units String percent (%)
variable Cation_percent float
attribute Cation_percent actual_range float 0.005, 16.402
attribute Cation_percent long_name String Cation_percent
attribute Cation_percent units String percent (%)
variable K_percent float
attribute K_percent actual_range float 0.002, 32.062
attribute K_percent long_name String K_percent
attribute K_percent units String percent (%)
variable ZAF float
attribute ZAF actual_range float 0.9868, 4.2596
attribute ZAF long_name String Zaf
attribute ZAF units String unitless

 
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