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  • 04.04. Geology  (1)
  • 2,6,10,14-Tetramethyl-7-(3-methylpent-4-enyl)pentadecane, flux per year; 2,6,10,14-Tetramethyl-7-(3-methylpent-4-enyl)pentadecane, per unit mass total organic carbon; 24-Methylcholesta-5,22E-dien-3beta-ol, flux per year; 24-Methylcholesta-5,22E-dien-3beta-ol, per unit mass total organic carbon; 24-Methylcholesta-5,24(28)-dien-3beta-ol, flux per year; 24-Methylcholesta-5,24(28)-dien-3beta-ol, per unit mass total organic carbon; AGE; Carbon, organic, total; DEPTH, sediment/rock; GC; Gravity corer; Jan Mayen; JM09702; JM09-KA11-GC; Norwegian Sea  (1)
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  • 1
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    A High‐Resolution Geomagnetic Relative Paleointensity Record From the Arctic Ocean Deep‐Water Gateway Deposits During the Last 60 kyr (2019)
    Details
    Publikationsdatum: 2019-06-17
    Beschreibung: We present a paleomagnetic and rock magnetic data set from two long sediment cores collected from Bellsund and Isfjorden contourite drifts located on the eastern side of the Fram Strait (western Spitsbergen margin). The data set gave the opportunity to define the behavior of the past geomagnetic field at high latitude and to constrain the palaeoclimatic events that occurred in a time framework spanning marine isotope stage 3 to the Holocene. A high‐resolution age model was reconstructed by coupling 26 radiocarbon ages and high‐resolution relative paleointensity and paleosecular variation of the geomagnetic field records for the last 60 kyr. We show the variation of the geomagnetic field at high latitudes, pointing out variability during periods of regular paleosecular variation (normal polarity) as well as during the most recent geomagnetic excursions, and we provide a high‐resolution record of the Laschamps excursion. Cross‐cores correlation allowed us to outline major, climate‐related, sedimentary changes in the analyzed stratigraphic sequence that includes the meltwater events MWP‐1a and MWP‐19ky, and the Heinrich‐like events H1, H2, H4, and H6. This contribution confirms that rock magnetic and paleomagnetic analysis can be successfully used as a correlation and dating tool for sedimentary successions at high latitudes, where accelerator mass spectrometry dates and oxygen isotope analyses are often difficult to obtain for the scarcity of calcareous microfossils and the uncertainties related to data calibration may be significant, as well as the complexity of water mass characteristics and dynamics through climate changes.
    Beschreibung: Published
    Beschreibung: 2355–2377
    Beschreibung: 1A. Geomagnetismo e Paleomagnetismo
    Beschreibung: JCR Journal
    Schlagwort(e): Paleomagnetism ; Rock magnetism ; Geomagnetic Paleosecular Variation ; Laschamps excursion ; Radiocarbon dating ; Lithofacies analyses ; Fram Strait continental margin ; NW Barents Sea ; 04. Solid Earth ; 04.04. Geology
    Repository-Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Materialart: article
    Standort Signatur Erwartet Verfügbarkeit
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    ARTIKEL (OA)
  • 2
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    Biomarkers of sediment core JM09-KA11-GC (2019)
    PANGAEA
    Details
    Publikationsdatum: 2023-06-27
    Schlagwort(e): 2,6,10,14-Tetramethyl-7-(3-methylpent-4-enyl)pentadecane, flux per year; 2,6,10,14-Tetramethyl-7-(3-methylpent-4-enyl)pentadecane, per unit mass total organic carbon; 24-Methylcholesta-5,22E-dien-3beta-ol, flux per year; 24-Methylcholesta-5,22E-dien-3beta-ol, per unit mass total organic carbon; 24-Methylcholesta-5,24(28)-dien-3beta-ol, flux per year; 24-Methylcholesta-5,24(28)-dien-3beta-ol, per unit mass total organic carbon; AGE; Carbon, organic, total; DEPTH, sediment/rock; GC; Gravity corer; Jan Mayen; JM09702; JM09-KA11-GC; Norwegian Sea
    Materialart: Dataset
    Format: text/tab-separated-values, 694 data points
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
    DATEN PANGAEA
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