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  • 1
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    Unknown
    High-resolution XRF analysis of sediment core IZN19-04 from Lake Iznik (NW Turkey) (2020)
    PANGAEA
    Details
    Publication Date: 2023-06-27
    Description: The relative contents of major and trace elements were analyzed in 2019 with an X-Ray Fluorescence (XRF) at 1-mm resolution on the surface of each sediment core with an Avaatech Core Scanner (EDYTEM Laboratory). The split-core surface was first covered with a 4-μm-thick Ultralene film to avoid contamination and desiccation of the sediment. Element intensities are expressed in counts per second (cps). Different settings were used with 10 kV and 0.2 mA during 15 s to detect Al, Si, S, K, Ca, Ti and at 30 kV and 0.3 mA during 20 s for Mn, Fe, Ni, Cu, Zn, Br, Rb, Sr, Zr, Pb (Richter et al., 2006; doi:10.1144/GSL.SP.2006.267.01.03).
    Keywords: Aluminium, area, total counts; Bromine, area, total counts; Calcium, area, total counts; DEPTH, sediment/rock; GCUWI; Gravity corer, UWITEC; Iron, area, total counts; IZN19-04; Iznik; Iznik Lake, Turkey; lake; Manganese, area, total counts; Potassium, area, total counts; Rubidium, area, total counts; sediment analysis; Silicon, area, total counts; Strontium, area, total counts; Titanium, area, total counts; Turkey; X-ray fluorescence core scanner (XRF); XRF; Zinc, area, total counts; Zirconium, area, total counts
    Type: Dataset
    Format: text/tab-separated-values, 19944 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 2
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    Unknown
    High-resolution XRF analysis of sediment core IZN_19-31 from Lake Iznik (NW Turkey) (2020)
    PANGAEA
    Details
    Publication Date: 2023-06-27
    Description: The relative contents of major and trace elements were analyzed in 2019 with an X-Ray Fluorescence (XRF) at 1-mm resolution on the surface of each sediment core with an Avaatech Core Scanner (EDYTEM Laboratory). The split-core surface was first covered with a 4-μm-thick Ultralene film to avoid contamination and desiccation of the sediment. Element intensities are expressed in counts per second (cps). Different settings were used with 10 kV and 0.2 mA during 15 s to detect Al, Si, S, K, Ca, Ti and at 30 kV and 0.3 mA during 20 s for Mn, Fe, Ni, Cu, Zn, Br, Rb, Sr, Zr, Pb (Richter et al., 2006; doi:10.1144/GSL.SP.2006.267.01.03).
    Keywords: Aluminium, area, total counts; Bromine, area, total counts; Calcium, area, total counts; DEPTH, sediment/rock; Hammering-push core, UWITEC PILOTE 63; HPUWI63; Iron, area, total counts; IZN19-31; Iznik; IZNIK_07_2019; Iznik Lake, Turkey; lake; Manganese, area, total counts; Potassium, area, total counts; Rubidium, area, total counts; sediment analysis; Silicon, area, total counts; Strontium, area, total counts; Titanium, area, total counts; Turkey; X-ray fluorescence core scanner (XRF); XRF; Zinc, area, total counts; Zirconium, area, total counts
    Type: Dataset
    Format: text/tab-separated-values, 34740 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 3
    facet.materialart.
    Unknown
    High-resolution XRF analysis of sediment core IZN19-16 from Lake Iznik (NW Turkey) (2020)
    PANGAEA
    Details
    Publication Date: 2023-06-27
    Description: The relative contents of major and trace elements were analyzed in 2019 with an X-Ray Fluorescence (XRF) at 1-mm resolution on the surface of each sediment core with an Avaatech Core Scanner (EDYTEM Laboratory). The split-core surface was first covered with a 4-μm-thick Ultralene film to avoid contamination and desiccation of the sediment. Element intensities are expressed in counts per second (cps). Different settings were used with 10 kV and 0.2 mA during 15 s to detect Al, Si, S, K, Ca, Ti and at 30 kV and 0.3 mA during 20 s for Mn, Fe, Ni, Cu, Zn, Br, Rb, Sr, Zr, Pb (Richter et al., 2006; doi:10.1144/GSL.SP.2006.267.01.03).
    Keywords: Aluminium, area, total counts; Bromine, area, total counts; Calcium, area, total counts; DEPTH, sediment/rock; Hammering-push core, UWITEC PILOTE 63; HPUWI63; Iron, area, total counts; IZN19-16; Iznik; IZNIK_04_2019; Iznik Lake, Turkey; lake; Manganese, area, total counts; Potassium, area, total counts; Rubidium, area, total counts; sediment analysis; Silicon, area, total counts; Strontium, area, total counts; Titanium, area, total counts; Turkey; X-ray fluorescence core scanner (XRF); XRF; Zinc, area, total counts; Zirconium, area, total counts
    Type: Dataset
    Format: text/tab-separated-values, 15324 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 4
    facet.materialart.
    Unknown
    High-resolution XRF analysis of sediment core IZN_19-21 from Lake Iznik (NW Turkey) (2020)
    PANGAEA
    Details
    Publication Date: 2023-06-27
    Description: The relative contents of major and trace elements were analyzed in 2019 with an X-Ray Fluorescence (XRF) at 1-mm resolution on the surface of each sediment core with an Avaatech Core Scanner (EDYTEM Laboratory). The split-core surface was first covered with a 4-μm-thick Ultralene film to avoid contamination and desiccation of the sediment. Element intensities are expressed in counts per second (cps). Different settings were used with 10 kV and 0.2 mA during 15 s to detect Al, Si, S, K, Ca, Ti and at 30 kV and 0.3 mA during 20 s for Mn, Fe, Ni, Cu, Zn, Br, Rb, Sr, Zr, Pb (Richter et al., 2006; doi:10.1144/GSL.SP.2006.267.01.03).
    Keywords: Aluminium, area, total counts; Bromine, area, total counts; Calcium, area, total counts; DEPTH, sediment/rock; Hammering-push core, UWITEC PILOTE 63; HPUWI63; Iron, area, total counts; IZN19-21; Iznik; IZNIK_07_2019; Iznik Lake, Turkey; lake; Manganese, area, total counts; Potassium, area, total counts; Rubidium, area, total counts; sediment analysis; Silicon, area, total counts; Strontium, area, total counts; Titanium, area, total counts; Turkey; X-ray fluorescence core scanner (XRF); XRF; Zinc, area, total counts; Zirconium, area, total counts
    Type: Dataset
    Format: text/tab-separated-values, 34092 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 5
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    Unknown
    Loss on ignition of sediment core IZN_19-31 from Lake Iznik (NW Turkey) (2020)
    PANGAEA
    Details
    Publication Date: 2023-06-27
    Description: The loss on ignition (LOI) analysis was performed in 2019 on the IZN19_31 Sequence, with a 10-cm sampling interval all along the sequence to estimate organic matter (OM) and carbonate proportion in the sediment, following the protocol described by Heiri et al., (2001; doi:10.1023/A:1008119611481).
    Keywords: After Heiri et al., (2001); DEPTH, sediment/rock; Hammering-push core, UWITEC PILOTE 63; HPUWI63; IZN19-31; Iznik; IZNIK_07_2019; Iznik Lake, Turkey; lake; Loss on ignition; Non carbonate ignition residue; sediment analysis; Turkey
    Type: Dataset
    Format: text/tab-separated-values, 84 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 6
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    Sedimentary and geochemical analyses from 14 sediment cores of Lake Iznik, NW Turkey (2021)
    PANGAEA
    Details
    Publication Date: 2023-06-03
    Description: Here we present high-resolution XRF, grain-size, loss on ignition and glass shard geochemical analysis from sediment cores at fourteen different locations in Lake Iznik. These cores, with lengths between 1.46 and 3.57 m, were collected in April and July 2019 using a UWITEC hammer gravity corer. One of the aims was to differentiate earthquake-triggered deposits from flood-related deposits. To address this question, we used both sedimentology and geochemistry analyses to discuss the different depositional mechanisms and highlight different sources and/or processes. Then, we studied the potential spatial variation in the facies and geochemical signatures of a specific earthquake-induced deposit within the lake subbasins. The occurrence of previously geochemically identified tephra allowed refinement of the age-depth model by comparison with previously established volcanic eruption history (Roeser et al., 2012; doi:10.1016/j.quaint.2012.06.006).
    Keywords: BASILIZNIK-SECRETS; EPMA; GLASS; Grain-size analyses; Iznik; lake; loss on ignition; Secret Archives of the Basilica of Nicea provided by the Sediments of Iznik Lake; sediment core data; Turkey; volcanic eruption; XRF core scanner
    Type: Dataset
    Format: application/zip, 18 datasets
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 7
    facet.materialart.
    Unknown
    Loss on ignition of sediment core IZN19-15 from Lake Iznik (NW Turkey) (2021)
    PANGAEA
    Details
    Publication Date: 2023-07-10
    Description: The LOI method allows us to estimate the organic matter and carbonate content of lake sediments. LOI analysis was performed on the IZN19-15 and IZN19-24 cores with a 10-cm sampling interval all along the sequence, following the protocol described by Heiri et al., (2001; doi:10.1023/A:1008119611481).
    Keywords: After Heiri et al., (2001); BASILIZNIK-SECRETS; Core; Depth, composite; DEPTH, sediment/rock; Hammering-push core, UWITEC PILOTE 63; HPUWI63; IZN19-15; Iznik; IZNIK_04_2019; Iznik Lake, Turkey; lake; LOI; loss on ignition; Loss on ignition; Non carbonate ignition residue; Secret Archives of the Basilica of Nicea provided by the Sediments of Iznik Lake; sediment; sediment core data; Turkey
    Type: Dataset
    Format: text/tab-separated-values, 130 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 8
    facet.materialart.
    Unknown
    High-resolution XRF analysis of a sediment core IZN19-03 from Lake Iznik (NW Turkey) (2020)
    PANGAEA
    Details
    Publication Date: 2023-06-27
    Description: The relative contents of major and trace elements were analyzed in 2019 with an X-Ray Fluorescence (XRF) at 1-mm resolution on the surface of each sediment core with an Avaatech Core Scanner (EDYTEM Laboratory). The split-core surface was first covered with a 4-μm-thick Ultralene film to avoid contamination and desiccation of the sediment. Element intensities are expressed in counts per second (cps). Different settings were used with 10 kV and 0.2 mA during 15 s to detect Al, Si, S, K, Ca, Ti and at 30 kV and 0.3 mA during 20 s for Mn, Fe, Ni, Cu, Zn, Br, Rb, Sr, Zr, Pb (Richter et al., 2006; doi:10.1144/GSL.SP.2006.267.01.03).
    Keywords: Aluminium, area, total counts; Bromine, area, total counts; Calcium, area, total counts; DEPTH, sediment/rock; Hammering-push core, UWITEC PILOTE 63; HPUWI63; Iron, area, total counts; IZN19-03; Iznik; IZNIK_04_2019; Iznik Lake, Turkey; lake; Manganese, area, total counts; Potassium, area, total counts; Rubidium, area, total counts; sediment analysis; Silicon, area, total counts; Strontium, area, total counts; Titanium, area, total counts; Turkey; X-ray fluorescence core scanner (XRF); XRF; Zinc, area, total counts; Zirconium, area, total counts
    Type: Dataset
    Format: text/tab-separated-values, 16824 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 9
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    Unknown
    Geochemistry of tephra from sediment core IZN19-15 from Lake Iznik (NW Turkey) (2021)
    PANGAEA
    Details
    Publication Date: 2023-07-05
    Description: The occurrence of previously geochemically identified tephra allowed refinement of the age-depth model by comparison with previously established volcanic eruption history (Roeser et al., 2012). Tephra layers were polished on thin sections and the glass shards were geochemically characterized using a JEOL JXA-8230 Electron Probe X-ray Micro Analyzer (EMPA; ISTerre Laboratory, University Grenoble Alpes) equipped with 5 wavelength dispersive spectrometers (WDS) and one energy dispersive spectrometer (EDS) detector. The measurements used the following conditions: 15 kV voltage, 2 nA beam current, and 5 to 7 µm beam size. For standardization, MPI-DING glasses (StHs6/80-G, GOR132-G) (http://georem.mpch-mainz.gwdg.de; Jochum et al., 2000), natural minerals, and synthetic oxides were used. Two glasses, Atho-G (http://georem.mpch-mainz.gwdg.de; Jochum et al., 2000) and KE-12 (Metrich & Rutherford, 1992), were analyzed together with the samples to verify analytical accuracy and to exclude the loss of alkalis. Analyses of glass shards yielding a total oxide sum less than 96% or suggesting mineral impurities were not included in this study. Analytical data were normalized to 100% total oxide values to enable comparison.
    Keywords: Aluminium oxide; BASILIZNIK-SECRETS; Calculated; Core; Electron probe microanalyzer (EPMA), JEOL JXA 8230; EPMA; GLASS; Hammering-push core, UWITEC PILOTE 63; HPUWI63; Iron oxide, FeO; IZN19-15; Iznik; IZNIK_04_2019; Iznik Lake, Turkey; lake; Potassium oxide; Sample comment; Secret Archives of the Basilica of Nicea provided by the Sediments of Iznik Lake; sediment; sediment core data; Silicon dioxide; Sodium oxide; Sum; Turkey; volcanic eruption
    Type: Dataset
    Format: text/tab-separated-values, 256 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 10
    facet.materialart.
    Unknown
    Geochemistry of tephra from sediment core IZN19-09 from Lake Iznik (NW Turkey) (2021)
    PANGAEA
    Details
    Publication Date: 2023-07-05
    Description: The occurrence of previously geochemically identified tephra allowed refinement of the age-depth model by comparison with previously established volcanic eruption history (Roeser et al., 2012). Tephra layers were polished on thin sections and the glass shards were geochemically characterized using a JEOL JXA-8230 Electron Probe X-ray Micro Analyzer (EMPA; ISTerre Laboratory, University Grenoble Alpes) equipped with 5 wavelength dispersive spectrometers (WDS) and one energy dispersive spectrometer (EDS) detector. The measurements used the following conditions: 15 kV voltage, 2 nA beam current, and 5 to 7 µm beam size. For standardization, MPI-DING glasses (StHs6/80-G, GOR132-G) (http://georem.mpch-mainz.gwdg.de; Jochum et al., 2000), natural minerals, and synthetic oxides were used. Two glasses, Atho-G (http://georem.mpch-mainz.gwdg.de; Jochum et al., 2000) and KE-12 (Metrich & Rutherford, 1992), were analyzed together with the samples to verify analytical accuracy and to exclude the loss of alkalis. Analyses of glass shards yielding a total oxide sum less than 96% or suggesting mineral impurities were not included in this study. Analytical data were normalized to 100% total oxide values to enable comparison.
    Keywords: Aluminium oxide; BASILIZNIK-SECRETS; Calculated; Core; Electron probe microanalyzer (EPMA), JEOL JXA 8230; EPMA; GLASS; Hammering-push core, UWITEC PILOTE 63; HPUWI63; Iron oxide, FeO; IZN19-09; Iznik; IZNIK_04_2019; Iznik Lake, Turkey; lake; Potassium oxide; Sample comment; Secret Archives of the Basilica of Nicea provided by the Sediments of Iznik Lake; sediment; sediment core data; Silicon dioxide; Sodium oxide; Sum; Turkey; volcanic eruption
    Type: Dataset
    Format: text/tab-separated-values, 344 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
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