Köster, Male; Staubwasser, Michael; Meixner, Anette; Kasemann, Simone A; Manners, Hayley R; Morono, Yuki; Inagaki, Fumio; Heuer, Verena B; Kasten, Sabine; Henkel, Susann (2023): Solid-phase data and isotopic composition of sequentially extracted iron pools in discrete ash layer samples from IODP Hole 370-C0023A [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.959763, In: Köster, M et al. (2023): Stable iron isotope data of pore-water and solid-phase samples from IODP Hole 370-C0023A [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.959760
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References:
Henkel, Susann; Kasten, Sabine; Poulton, Simon W; Staubwasser, Michael (2016): Determination of the stable iron isotopic composition of sequentially leached iron phases in marine sediments. Chemical Geology, 421, 93-102, https://doi.org/10.1016/j.chemgeo.2015.12.003
Poulton, Simon W; Canfield, Donald E (2005): Development of a sequential extraction procedure for iron: implications for iron partitioning in continentally derived particulates. Chemical Geology, 214(3-4), 209-221, https://doi.org/10.1016/j.chemgeo.2004.09.003
Schoenberg, Ronny; von Blanckenburg, Friedhelm (2005): An assessment of the accuracy of stable Fe isotope ratio measurements on samples with organic and inorganic matrices by high-resolution multicollector ICP-MS. International Journal of Mass Spectrometry, 242(2-3), 257-272, https://doi.org/10.1016/j.ijms.2004.11.025
Project(s):
Funding:
German Research Foundation (DFG), grant/award no. 388260220: Examining the role of biotic iron reduction as a life-sustaining process at the potential temperature limit of the deep subseafloor biosphere (IODP Expedition 370) (RESPIRE)
Coverage:
Latitude: 32.366667 * Longitude: 134.966333
Date/Time Start: 2016-09-17T00:00:00 * Date/Time End: 2016-11-03T00:00:00
Minimum DEPTH, sediment/rock: 432.590 m * Maximum DEPTH, sediment/rock: 631.075 m
Event(s):
370-C0023A * Latitude: 32.366667 * Longitude: 134.966333 * Date/Time Start: 2016-09-17T00:00:00 * Date/Time End: 2016-11-03T00:00:00 * Elevation: -4776.0 m * Location: Nankai Trough * Campaign: Exp370 * Basis: Chikyu * Method/Device: Drilling/drill rig (DRILL) * Comment: 83 cores, from 189 to 871 mbsf.
Comment:
Total acid digestion: Dissolution of dry sediment in a mixture of 65% HNO3 (3 ml), 30% HCl (2 ml), and 40% suprapur® HF (0.5 ml) in a CEM Mars Xpress microwave system. Elemental contents determined by ICP-OES (Inductively coupled plasma – optical emission spectroscopy; iCAP 7400, Thermo Fisher Scientific Inc.).
Sequential Fe extraction: after Poulton & Canfield (2005) and Henkel et al. (2016). Fe aca (1 M Na-acetate, 24 h, pH 4.5); Fe hyam (1 M hydroxylamine-HCl in 25% v/v acetic acid, 48 h); Fe di-ct (Na-dithionite (50 g L-1)/0.02 M Na-citrate, 2 h, pH 4.8); Fe oxa (0.2 M ammonium oxalate/0.17 M oxalic acid, 6 h). Elemental contents determined by ICP-OES (Inductively coupled plasma – optical emission spectroscopy; iCAP 7400, Thermo Fisher Scientific Inc.)
δ56Fe analysis of sequentially extracted Fe pools: Processing after Henkel et al. (2016). Column separation after Schoenberg & von Blanckenburg (2005). Isotope analysis on a ThermoFinnigan Neptune Multicollector-ICP-MS (standard-sample bracketing method with IRMM-014) (Schoenberg & von Blanckenburg 2005).
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Sample ID | Sample ID | Köster, Male | J-CORES sample ID | ||
| 2 | Sample code/label | Sample label | Köster, Male | DSDP/ODP/IODP sample designation | ||
| 3 | Sample code/label 2 | Sample label 2 | Köster, Male | |||
| 4 | Depth, sediment/rock, top/minimum | Depth sed top | m | Köster, Male | IODP Depth Scale Terminology | m CSF-A, DSF, MSF, WSF |
| 5 | Depth, sediment/rock, bottom/maximum | Depth sed bot | m | Köster, Male | IODP Depth Scale Terminology | m CSF-A, DSF, MSF, WSF |
| 6 | Depth, sediment/rock, top/minimum | Depth sed top | m | Köster, Male | IODP Depth Scale Terminology | m CSF-B, DSF, MSF, WSF |
| 7 | Depth, sediment/rock, bottom/maximum | Depth sed bot | m | Köster, Male | IODP Depth Scale Terminology | m CSF-B, DSF, MSF, WSF |
| 8 | DEPTH, sediment/rock | Depth sed | m | Köster, Male | Geocode – mbsf | |
| 9 | Aluminium | Al | % | Köster, Male | Inductively coupled plasma–optical emission spectrometer (ICP-OES), Thermo Fisher Scientific Inc., iCAP 7400 | wt. %, total acid digestion |
| 10 | Titanium | Ti | % | Köster, Male | Inductively coupled plasma–optical emission spectrometer (ICP-OES), Thermo Fisher Scientific Inc., iCAP 7400 | wt. %, total acid digestion |
| 11 | Iron | Fe | % | Köster, Male | Inductively coupled plasma–optical emission spectrometer (ICP-OES), Thermo Fisher Scientific Inc., iCAP 7400 | wt. %, total acid digestion |
| 12 | Iron, reactive | Fe react | % | Köster, Male | Inductively coupled plasma–optical emission spectrometer (ICP-OES), Thermo Fisher Scientific Inc., iCAP 7400 | wt. %, sequential extraction,Sum of Fe-aca, Fe-hyam, Fe-di-ct and Fe-oxa |
| 13 | Iron, acetate-leached | Fe-aca | % | Köster, Male | Inductively coupled plasma–optical emission spectrometer (ICP-OES), Thermo Fisher Scientific Inc., iCAP 7400 | wt. %, sequential extraction |
| 14 | δ56/54Fe, acetate-leached | δ56/54Fe-aca | ‰ | Köster, Male | Multicollector-ICP-MS Neptune plus, ThermoScientific; PFA nebulizer (50 µl) and a cyclonic/Scott quartz spray chamber, standard-sample bracketing method with IRMM-014 according to Schoenberg & van Blanckenburg (2005) | |
| 15 | δ56/54Fe, acetate-leached, standard deviation | δ56/54Fe-aca std dev | ± | Köster, Male | calculated, 2 sigma | |
| 16 | Replicates | Repl | # | Köster, Male | acetate-leached | |
| 17 | Iron, hydroxylamine-HCl-leached | Fe-hyam | % | Köster, Male | Inductively coupled plasma–optical emission spectrometer (ICP-OES), Thermo Fisher Scientific Inc., iCAP 7400 | wt. %, sequential extraction |
| 18 | δ56/54Fe, hydroxylamine-HCl-leached | δ56/54Fe-hyam | ‰ | Köster, Male | Multicollector-ICP-MS Neptune plus, ThermoScientific; PFA nebulizer (50 µl) and a cyclonic/Scott quartz spray chamber, standard-sample bracketing method with IRMM-014 according to Schoenberg & van Blanckenburg (2005) | |
| 19 | δ56/54Fe, hydroxylamine-HCl-leached, standard deviation | δ56/54Fe-hyam std dev | ± | Köster, Male | calculated, 2 sigma | |
| 20 | Replicates | Repl | # | Köster, Male | hydroxylamine-HCl-leached | |
| 21 | Iron, dithionite-leached | Fe-di-ct | % | Köster, Male | Inductively coupled plasma–optical emission spectrometer (ICP-OES), Thermo Fisher Scientific Inc., iCAP 7400 | di-ct, wt. %, sequential extraction |
| 22 | Iron, oxalate-leached | Fe-oxa | % | Köster, Male | Inductively coupled plasma–optical emission spectrometer (ICP-OES), Thermo Fisher Scientific Inc., iCAP 7400 | wt. %, sequential extraction |
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
471 data points