Solid-phase data and isotopic composition of sequentially extracted iron pools in discrete ash layer samples from IODP Hole 370-C0023A

DOI

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).

Identifier
DOI https://doi.org/10.1594/PANGAEA.959763
Related Identifier https://doi.org/10.1594/PANGAEA.959760
Related Identifier https://doi.org/10.1016/j.chemgeo.2015.12.003
Related Identifier https://doi.org/10.1016/j.chemgeo.2004.09.003
Related Identifier https://doi.org/10.1016/j.ijms.2004.11.025
Metadata Access https://ws.pangaea.de/oai/provider?verb=GetRecord&metadataPrefix=datacite4&identifier=oai:pangaea.de:doi:10.1594/PANGAEA.959763
Provenance
Creator Köster, Male (ORCID: 0000-0002-0175-546X); Staubwasser, Michael ORCID logo; Meixner, Anette; Kasemann, Simone A ORCID logo; Manners, Hayley R; Morono, Yuki ORCID logo; Inagaki, Fumio ORCID logo; Heuer, Verena B (ORCID: 0000-0002-1856-116X); Kasten, Sabine ORCID logo; Henkel, Susann ORCID logo
Publisher PANGAEA
Publication Year 2023
Funding Reference German Science Foundation https://doi.org/10.13039/501100001659 Crossref Funder ID 388260220 https://gepris.dfg.de/gepris/projekt/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)
Rights Creative Commons Attribution 4.0 International; https://creativecommons.org/licenses/by/4.0/
OpenAccess true
Representation
Language English
Resource Type Dataset
Format text/tab-separated-values
Size 471 data points
Discipline Earth System Research
Spatial Coverage (134.966 LON, 32.367 LAT); Nankai Trough
Temporal Coverage Begin 2016-09-17T00:00:00Z
Temporal Coverage End 2016-11-03T00:00:00Z