Dataset: Synchrotron micro-probe X-ray diffraction data from seafloor sulfide deposits collected during cruise AT42-09 on the East Pacific Rise (EPR) in April 2019.

ValidatedFinal with updates expectedDOI: 10.26008/1912/bco-dmo.937020.1Version 1 (2024-09-27)Dataset Type:Other Field Results

Co-Principal Investigator: Brandy Marie Toner (University of Minnesota Twin Cities)

Scientist, Contact: Rose Jones (University of Minnesota Twin Cities)

BCO-DMO Data Manager: Karen Soenen (Woods Hole Oceanographic Institution)


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 (Hot2cold Vents)


Abstract

Synchrotron micro-probe X-ray diffraction 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 in 2019-2021 on cruise AT42-09. Samples were collected using the HOV Alvin. 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. ...

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File naming:

Sample name (e.g. ALV5015_01_R01b)/sample name noted at time of data collection if incorrectly noted at that time (e.g. 5015_01_R01b)_sub-map name where there is one (A, a, b, B etc.)_where p occurs, refers to point collected within a sample_KeV, where it occurs is beam energy information_other annotations e.g. full_real come from beamline scientists, left in the file name to keep file name as original as possible_number generated by beamline software at time of collection


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Software

Prescher, C., & Prakapenka, V. B. (2015). DIOPTAS: a program for reduction of two-dimensional X-ray diffraction data and data exploration. High Pressure Research, 35(3), 223–230. https://doi.org/10.1080/08957959.2015.1059835
Software

Putz H, Brandenburg K Match! In: Match! - Phase Analysis using Powder Diffraction, Version 3.10.2, Crystal Impact. GbR, Kreuzherrenstr. 102, 53227 Bonn, Germany,. https://www.crystalimpact.de/match/. Accessed 7 Apr 2022