/* DATA DESCRIPTION: Citation: Henkel, Susann; Kasten, Sabine; Hartmann, Jan; Silva Busso, A; Staubwasser, Michael (2018): Solid phase geochemistry of sediment core Potter_Cove_STA04. Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, PANGAEA, https://doi.org/10.1594/PANGAEA.890293, In supplement to: Henkel, S et al. (2018): Iron cycling and stable Fe isotope fractionation in Antarctic shelf sediments, King George Island. Geochimica et Cosmochimica Acta, https://doi.org/10.1016/j.gca.2018.06.042 Further details: Canfield, Donald E; Raiswell, Robert; Westrich, Joseph T; Reaves, Christopher M; Berner, Robert A (1986): The use of chromium reduction in the analysis of reduced inorganic sulfur in sediments and shales. Chemical Geology, 54 (1-2), 149-155, https://doi.org/10.1016/0009-2541(86)90078-1 Cornwell, Jeffrey C; Morse, John W (1987): The characterization of iron sulfide minerals in anoxic marine sediments. Marine Chemistry, 22 (2-4), 193-206, https://doi.org/10.1016/0304-4203(87)90008-9 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 Zhabina, Nina N; Volkov, Igor I (1978): A method of determination of various sulphur compounds in sea sediments and rocks. In: Krumbein, W E (ed.), Environmental biogeochemistry: Methods, metals and assessment, Volume 3, Ann Arbor Science Publishers Project(s): Impact of climate induced glacier melt on marine coastal systems, Antarctica (IMCOAST/IMCONet) (URI: https://www.imconet.eu/) Priority Programme 1158 Antarctic Research with Comparable Investigations in Arctic Sea Ice Areas (SPP1158) (URI: https://gepris.dfg.de/gepris/projekt/5472008) Funding: German Research Foundation (DFG) (URI: http://www.dfg.de/en/), grant/award no. 5472008: Priority Programme 1158 Antarctic Research with Comparable Investigations in Arctic Sea Ice Areas (URI: https://gepris.dfg.de/gepris/projekt/5472008) Coverage: LATITUDE: -62.231000 * LONGITUDE: -58.649190 DATE/TIME START: 2012-01-30T00:00:00 * DATE/TIME END: 2012-01-30T00:00:00 MINIMUM DEPTH, sediment/rock: 0.005 m * MAXIMUM DEPTH, sediment/rock: 0.195 m Event(s): Potter_Cove_STA04 * LATITUDE: -62.231000 * LONGITUDE: -58.649190 * DATE/TIME: 2012-01-30T00:00:00 * ELEVATION: -11.0 m * LOCATION: Potter Cove, King George Island, Antarctic Peninsula * METHOD/DEVICE: Gravity corer, UWITEC (GCUWI) * COMMENT: Elevation error ±1.5 m (tidal range) Comment: Methods: Total acid digestion: • Dissolution of dry sediment in 3 mL HCl, 2 mL HNO3, and 0.5 mL HF in a CEM Mars Xpress microwave system • Elemental contents determined by ICP-OES (Iris Intrepid II) Sequential Fe extraction: • after Poulton and Canfield (2005) and Henkel et al. (2016) δ56Fe analysis: • Processing after Henkel et al. (2016) • Column separation after Schoenberg and von Blanckenburg (2005) • Isotope analysis on a ThermoFinnigan Neptune Multicollector-ICP-MS (standard-sample bracketing method with IRMM-014) (Schoenberg and von Blanckenburg 2005) Acid volatile sulfur (AVS): • Extraction with 6M HCl (e.g., Cornwell and Morse 1987) Chromium reducible sulfur (CRS): • Extraction with CrCl2 solution (e.g., Zhabina and Volkov 1978, Canfield et al. 1986) Parameter(s): Core (Core) * PI: Henkel, Susann (https://orcid.org/0000-0001-7490-0237, Susann.Henkel@awi.de, http://www.awi.de/en/about-us/organisation/staff/susann-henkel.html) DEPTH, sediment/rock [m] (Depth sed) * GEOCODE * PI: Henkel, Susann (https://orcid.org/0000-0001-7490-0237, Susann.Henkel@awi.de, http://www.awi.de/en/about-us/organisation/staff/susann-henkel.html) Iron [%] (Fe) * PI: Henkel, Susann (https://orcid.org/0000-0001-7490-0237, Susann.Henkel@awi.de, http://www.awi.de/en/about-us/organisation/staff/susann-henkel.html) * COMMENT: wt % Manganese [%] (Mn) * PI: Henkel, Susann (https://orcid.org/0000-0001-7490-0237, Susann.Henkel@awi.de, http://www.awi.de/en/about-us/organisation/staff/susann-henkel.html) * COMMENT: wt % Sulfur, total [%] (TS) * PI: Henkel, Susann (https://orcid.org/0000-0001-7490-0237, Susann.Henkel@awi.de, http://www.awi.de/en/about-us/organisation/staff/susann-henkel.html) * COMMENT: wt % Aluminium [%] (Al) * PI: Henkel, Susann (https://orcid.org/0000-0001-7490-0237, Susann.Henkel@awi.de, http://www.awi.de/en/about-us/organisation/staff/susann-henkel.html) * COMMENT: wt % Acid volatile sulfur [%] (AVS) * PI: Henkel, Susann (https://orcid.org/0000-0001-7490-0237, Susann.Henkel@awi.de, http://www.awi.de/en/about-us/organisation/staff/susann-henkel.html) * METHOD/DEVICE: Acid volatile sulfur (AVS) analysis (Cornwell & Morse, 1987) (URI: https://doi.org/10.1016/0304-4203(87)90008-9) * COMMENT: wt % Chromium reducible sulfur [%] (CRS) * PI: Henkel, Susann (https://orcid.org/0000-0001-7490-0237, Susann.Henkel@awi.de, http://www.awi.de/en/about-us/organisation/staff/susann-henkel.html) * METHOD/DEVICE: Chromium reducible sulfur (CRS) analysis (Canfield et al., 1986) * COMMENT: wt % Iron [%] (Fe) * PI: Henkel, Susann (https://orcid.org/0000-0001-7490-0237, Susann.Henkel@awi.de, http://www.awi.de/en/about-us/organisation/staff/susann-henkel.html) * METHOD/DEVICE: Sequential Fe extraction (Poulton & Canfield, 2005; Henkel et al., 2016) * COMMENT: Fe_aca, Sodium acetate extraction [wt %] Iron [%] (Fe) * PI: Henkel, Susann (https://orcid.org/0000-0001-7490-0237, Susann.Henkel@awi.de, http://www.awi.de/en/about-us/organisation/staff/susann-henkel.html) * METHOD/DEVICE: Sequential Fe extraction (Poulton & Canfield, 2005; Henkel et al., 2016) * COMMENT: Fe_hyam, HydroxylamineHCl extraction [wt %] Iron [%] (Fe) * PI: Henkel, Susann (https://orcid.org/0000-0001-7490-0237, Susann.Henkel@awi.de, http://www.awi.de/en/about-us/organisation/staff/susann-henkel.html) * METHOD/DEVICE: Sequential Fe extraction (Poulton & Canfield, 2005; Henkel et al., 2016) * COMMENT: Fe_di-ct, Sodium dithionite/Sodium citrate extraction [wt %] Iron [%] (Fe) * PI: Henkel, Susann (https://orcid.org/0000-0001-7490-0237, Susann.Henkel@awi.de, http://www.awi.de/en/about-us/organisation/staff/susann-henkel.html) * METHOD/DEVICE: Sequential Fe extraction (Poulton & Canfield, 2005; Henkel et al., 2016) * COMMENT: Fe_oxa, Oxalate/oxlic acid acid extraction [wt %] δ56/54Fe [‰] (δ56/54Fe) * PI: Henkel, Susann (https://orcid.org/0000-0001-7490-0237, Susann.Henkel@awi.de, http://www.awi.de/en/about-us/organisation/staff/susann-henkel.html) * METHOD/DEVICE: MC-ICP-MS Thermo-Finnigan Neptune * COMMENT: Fe_aca, Sodium acetate extraction, relative to IRMM-014 δ56/54Fe, standard deviation [±] (δ56/54Fe std dev) * PI: Henkel, Susann (https://orcid.org/0000-0001-7490-0237, Susann.Henkel@awi.de, http://www.awi.de/en/about-us/organisation/staff/susann-henkel.html) * METHOD/DEVICE: MC-ICP-MS Thermo-Finnigan Neptune * COMMENT: Fe_aca, Sodium acetate extraction, relative to IRMM-014 δ56/54Fe [‰] (δ56/54Fe) * PI: Henkel, Susann (https://orcid.org/0000-0001-7490-0237, Susann.Henkel@awi.de, http://www.awi.de/en/about-us/organisation/staff/susann-henkel.html) * METHOD/DEVICE: MC-ICP-MS Thermo-Finnigan Neptune * COMMENT: Fe_hyam, HydroxylamineHCl extraction, relative to IRMM-014 δ56/54Fe, standard deviation [±] (δ56/54Fe std dev) * PI: Henkel, Susann (https://orcid.org/0000-0001-7490-0237, Susann.Henkel@awi.de, http://www.awi.de/en/about-us/organisation/staff/susann-henkel.html) * METHOD/DEVICE: MC-ICP-MS Thermo-Finnigan Neptune * COMMENT: Fe_hyam, HydroxylamineHCl extraction, relative to IRMM-014 δ56/54Fe [‰] (δ56/54Fe) * PI: Henkel, Susann (https://orcid.org/0000-0001-7490-0237, Susann.Henkel@awi.de, http://www.awi.de/en/about-us/organisation/staff/susann-henkel.html) * METHOD/DEVICE: MC-ICP-MS Thermo-Finnigan Neptune * COMMENT: Fe_di-ct, Sodium dithionite/Sodium citrate extraction, relative to IRMM-014 δ56/54Fe, standard deviation [±] (δ56/54Fe std dev) * PI: Henkel, Susann (https://orcid.org/0000-0001-7490-0237, Susann.Henkel@awi.de, http://www.awi.de/en/about-us/organisation/staff/susann-henkel.html) * METHOD/DEVICE: MC-ICP-MS Thermo-Finnigan Neptune * COMMENT: Fe_di-ct, Sodium dithionite/Sodium citrate extraction, relative to IRMM-014 δ56/54Fe [‰] (δ56/54Fe) * PI: Henkel, Susann (https://orcid.org/0000-0001-7490-0237, Susann.Henkel@awi.de, http://www.awi.de/en/about-us/organisation/staff/susann-henkel.html) * METHOD/DEVICE: MC-ICP-MS Thermo-Finnigan Neptune * COMMENT: Fe_oxa, Oxalate/oxlic acid acid extraction, relative to IRMM-014 δ56/54Fe, standard deviation [±] (δ56/54Fe std dev) * PI: Henkel, Susann (https://orcid.org/0000-0001-7490-0237, Susann.Henkel@awi.de, http://www.awi.de/en/about-us/organisation/staff/susann-henkel.html) * METHOD/DEVICE: MC-ICP-MS Thermo-Finnigan Neptune * COMMENT: Fe_oxa, Oxalate/oxlic acid acid extraction, relative to IRMM-014 License: Creative Commons Attribution 3.0 Unported (CC-BY-3.0) (URI: https://creativecommons.org/licenses/by/3.0/) Size: 282 data points */ Core Depth sed [m] Fe [%] (wt %) Mn [%] (wt %) TS [%] (wt %) Al [%] (wt %) AVS [%] (wt %, Acid volatile sulfur (A...) CRS [%] (wt %, Chromium reducible sulf...) Fe [%] (Fe_aca, Sodium acetate extrac...) Fe [%] (Fe_hyam, HydroxylamineHCl ext...) Fe [%] (Fe_di-ct, Sodium dithionite/S...) Fe [%] (Fe_oxa, Oxalate/oxlic acid ac...) δ56/54Fe [‰] (Fe_aca, Sodium acetate extrac...) δ56/54Fe std dev [±] (Fe_aca, Sodium acetate extrac...) δ56/54Fe [‰] (Fe_hyam, HydroxylamineHCl ext...) δ56/54Fe std dev [±] (Fe_hyam, HydroxylamineHCl ext...) δ56/54Fe [‰] (Fe_di-ct, Sodium dithionite/S...) δ56/54Fe std dev [±] (Fe_di-ct, Sodium dithionite/S...) δ56/54Fe [‰] (Fe_oxa, Oxalate/oxlic acid ac...) δ56/54Fe std dev [±] (Fe_oxa, Oxalate/oxlic acid ac...) C 0.005 5.69 0.10 0.10 8.49 0.00 0.04 0.07 0.19 1.16 1.01 -0.92 0.12 -0.56 0.10 0.22 0.09 0.06 0.11 C 0.015 6.09 0.10 0.08 8.81 0.00 0.12 0.03 0.21 1.13 0.76 -1.08 0.10 -1.04 0.14 0.35 0.09 0.08 0.07 C 0.025 6.06 0.10 0.09 8.81 0.00 0.03 0.02 0.22 0.97 0.82 -0.64 -0.85 0.09 0.36 0.12 0.00 0.15 C 0.035 6.03 0.10 0.09 8.77 0.00 0.08 0.02 0.21 1.07 0.74 -0.76 0.12 -0.66 0.12 0.34 0.08 0.18 0.15 C 0.045 6.00 0.10 0.11 8.81 0.04 0.17 0.07 0.20 1.34 0.77 -0.87 0.14 -0.52 0.10 0.15 0.15 0.20 0.10 C 0.055 6.20 0.10 0.13 8.95 0.01 0.14 0.11 0.22 1.31 0.60 -1.03 0.14 -0.27 0.10 0.21 0.13 0.01 0.09 C 0.065 6.07 0.10 0.12 8.67 0.01 0.12 0.04 0.19 1.11 0.81 -0.95 0.09 -0.70 0.10 0.20 0.13 0.11 0.15 C 0.075 6.11 0.10 0.13 8.86 0.00 0.16 0.10 0.18 1.23 0.73 -1.08 0.14 -0.41 0.13 0.24 0.11 0.20 0.12 C 0.085 6.08 0.10 0.11 8.84 0.00 0.09 0.04 0.10 1.11 0.84 -0.89 0.12 0.27 0.10 0.12 0.09 C 0.095 5.88 0.11 0.08 8.95 0.00 0.15 0.07 0.15 1.16 1.07 -0.85 0.12 -0.28 0.15 0.24 0.09 0.09 0.11 C 0.105 6.04 0.10 0.10 8.79 0.00 0.09 0.07 0.17 1.22 0.82 -0.92 0.12 -0.30 0.13 0.12 0.13 C 0.115 6.01 0.10 0.09 8.68 0.02 0.14 0.04 0.20 1.06 0.73 -1.05 0.16 -0.81 0.14 0.31 0.11 0.18 0.11 C 0.135 6.06 0.10 0.09 8.96 0.01 0.16 0.06 0.18 1.28 1.00 -0.98 0.09 -0.26 0.16 0.03 0.12 C 0.155 5.96 0.10 0.09 8.76 0.10 C 0.175 5.85 0.10 0.10 8.73 0.05 0.11 0.09 0.18 1.20 0.64 -0.47 0.13 -0.19 0.11 0.23 0.10 0.17 0.14 C 0.195 5.75 0.10 0.08 8.79 0.06 0.13 0.06 0.15 1.14 0.93 -0.71 0.11 -0.19 0.10 0.07 0.11