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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

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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
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):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1CoreCoreHenkel, Susann
2DEPTH, sediment/rockDepthmHenkel, SusannGeocode
3IronFe%Henkel, Susannwt %
4ManganeseMn%Henkel, Susannwt %
5Sulfur, totalTS%Henkel, Susannwt %
6AluminiumAl%Henkel, Susannwt %
7Acid volatile sulfurAVS%Henkel, SusannAcid volatile sulfur (AVS) analysis (Cornwell & Morse, 1987)wt %
8Chromium reducible sulfurCRS%Henkel, SusannChromium reducible sulfur (CRS) analysis (Canfield et al., 1986)wt %
9IronFe%Henkel, SusannSequential Fe extraction (Poulton & Canfield, 2005; Henkel et al., 2016)Fe_aca, Sodium acetate extraction [wt %]
10IronFe%Henkel, SusannSequential Fe extraction (Poulton & Canfield, 2005; Henkel et al., 2016)Fe_hyam, Hydroxylamine–HCl extraction [wt %]
11IronFe%Henkel, SusannSequential Fe extraction (Poulton & Canfield, 2005; Henkel et al., 2016)Fe_di-ct, Sodium dithionite/Sodium citrate extraction [wt %]
12IronFe%Henkel, SusannSequential Fe extraction (Poulton & Canfield, 2005; Henkel et al., 2016)Fe_oxa, Oxalate/oxlic acid acid extraction [wt %]
13δ56/54Feδ56/54FeHenkel, SusannMC-ICP-MS Thermo-Finnigan NeptuneFe_aca, Sodium acetate extraction, relative to IRMM-014
14δ56/54Fe, standard deviationδ56/54Fe std dev±Henkel, SusannMC-ICP-MS Thermo-Finnigan NeptuneFe_aca, Sodium acetate extraction, relative to IRMM-014
15δ56/54Feδ56/54FeHenkel, SusannMC-ICP-MS Thermo-Finnigan NeptuneFe_hyam, Hydroxylamine–HCl extraction, relative to IRMM-014
16δ56/54Fe, standard deviationδ56/54Fe std dev±Henkel, SusannMC-ICP-MS Thermo-Finnigan NeptuneFe_hyam, Hydroxylamine–HCl extraction, relative to IRMM-014
17δ56/54Feδ56/54FeHenkel, SusannMC-ICP-MS Thermo-Finnigan NeptuneFe_di-ct, Sodium dithionite/Sodium citrate extraction, relative to IRMM-014
18δ56/54Fe, standard deviationδ56/54Fe std dev±Henkel, SusannMC-ICP-MS Thermo-Finnigan NeptuneFe_di-ct, Sodium dithionite/Sodium citrate extraction, relative to IRMM-014
19δ56/54Feδ56/54FeHenkel, SusannMC-ICP-MS Thermo-Finnigan NeptuneFe_oxa, Oxalate/oxlic acid acid extraction, relative to IRMM-014
20δ56/54Fe, standard deviationδ56/54Fe std dev±Henkel, SusannMC-ICP-MS Thermo-Finnigan NeptuneFe_oxa, Oxalate/oxlic acid acid extraction, relative to IRMM-014
Size:
282 data points

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