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  • 1
    Online-Ressource
    Online-Ressource
    Tectonic, Climatic, and Cryospheric Evolution of the Antarctic Peninsula. (2011)
    Newark :American Geophysical Union,
    Details
    Schlagwort(e): Climatic changes--Antarctica. ; Electronic books.
    Materialart: Online-Ressource
    Seiten: 1 online resource (225 pages)
    Ausgabe: 1st ed.
    ISBN: 9781118671672
    Serie: Special Publications ; v.63
    URL: https://ebookcentral.proquest.com/lib/geomar/detail.action?docID=1184589
    DDC: 559.89
    Sprache: Englisch
    Anmerkung: Intro -- Title Page -- Contents -- Preface -- Introduction -- A Different Look at Gateways: Drake Passage and Australia/Antarctica -- Exhumational History of the Margins of Drake Passage From Thermochronology and Sediment Provenance -- Seismic Stratigraphy of the Joinville Plateau: Implications for Regional Climate Evolution -- Age Assessment of Eocene-Pliocene Drill Cores Recovered During the SHALDRIL II Expedition, Antarctic Peninsula -- Magnetic Properties of Oligocene-Eocene Cores From SHALDRIL II, Antarctica -- History of an Evolving Ice Sheet as Recorded in SHALDRIL Cores From the Northwestern Weddell Sea, Antarctica -- Cenozoic Glacial History of the Northern Antarctic Peninsula: A Micromorphological Investigation of Quartz Sand Grains -- Last Remnants of Cenozoic Vegetation and Organic-Walled Phytoplankton in the Antarctic Peninsula's Icehouse World -- Vegetation and Organic-Walled Phytoplankton at the End of the Antarctic Greenhouse World: Latest Eocene Cooling Events -- AGU Category Index -- Index.
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  • 2
    facet.materialart.
    Unbekannt
    Clay mineralogy on five NBP cores (2012)
    PANGAEA
    In:  Supplement to: Wellner, Julia S; Anderson, John B; Ehrmann, Werner; Weaver, Fred M; Kirshner, Alexandra E; Livsey, Daniel; Simms, Alexander R (2011): History of an evolving ice sheet as recorded in SHALDRIL cores from the Northwestern Weddell Sea, Antarctica. In: Anderson, J.B. & Wellner, J.S. (eds.), Tectonic, Climatic, and Cryospheric Evolution of the Antarctic Peninsula, American Geophysical Union Special Publications, 63, 131-151, https://doi.org/10.1029/2010SP001047
    Details
    Publikationsdatum: 2023-12-12
    Beschreibung: During 2006, the SHALDRIL program recovered cores of Eocene through Pliocene material at four locations in the northwestern Weddell Sea, each representing a key period in the evolution of the Antarctic Peninsula ice cap. The recovered cores are not continuous, yet they provide a record of climate change with samples from the late Eocene, late Oligocene, middle Miocene, and early Pliocene and represent the only series of samples recovered from the northwestern Weddell Sea and spanning the Cenozoic and the initial growth of the peninsula ice cap. Late Eocene sediments sampled in the James Ross Basin are typically characterized by very dark greenish-gray muddy fine sand with some preserved burrowing and are interpreted to represent a shallow water continental shelf setting. Rare dropstones, primarily of well-cemented sandstones and minor ice-rafted material consisting of angular grains with glacially influenced surface features record the onset of mountain glaciation, the earliest such evidence in the region. The remaining cores were collected on the Joinville Plateau to the north of the James Ross Basin. The late Oligocene sediments consist of dark gray sandy mud with some clay lenses and many burrows, likely representing a distal delta or shelf setting. This core contains only very few and small dropstones, and the individual grains show decreased angularity and fewer glacial surface features relative to late Eocene deposits. The middle Miocene strata are composed of pebbly gray diamicton, representing proximal glacimarine sediments. The lower Pliocene section also contains many ice-rafted pebbles but is dominated by sandy units rather than diamicton and is interpreted to represent a current-winnowed deposit, similar to the modern contour current-influenced sediments of the region.
    Schlagwort(e): DRILL; Drilling/drill rig; Joinville Plateau; Nathaniel B. Palmer; NBP0602A; NBP0602A-12A; NBP0602A-3C; NBP0602A-5D; NBP0602A-6C; NBP0602A-6D; Northern James Ross Basin; SHALDRIL II
    Materialart: Dataset
    Format: application/zip, 5 datasets
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  • 3
    facet.materialart.
    Unbekannt
    Clay mineralogy on sediment core NBP0602A-3C (2012)
    PANGAEA
    Details
    Publikationsdatum: 2023-12-12
    Schlagwort(e): Chlorite; DRILL; Drilling/drill rig; Illite; Illite, integral width; Illite 5Å/10Å Esquevin-index; Illite position 10Å; Kaolinite; Nathaniel B. Palmer; NBP0602A; NBP0602A-3C; Northern James Ross Basin; Sample code/label; SHALDRIL II; Smectite; Smectite, integral width; X-ray diffraction TEXTUR, clay fraction
    Materialart: Dataset
    Format: text/tab-separated-values, 72 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 4
    facet.materialart.
    Unbekannt
    Clay mineralogy on sediment core NBP0602A-5D (2012)
    PANGAEA
    Details
    Publikationsdatum: 2023-12-12
    Schlagwort(e): Chlorite; DRILL; Drilling/drill rig; Illite; Illite, integral width; Illite 5Å/10Å Esquevin-index; Illite position 10Å; Joinville Plateau; Kaolinite; Nathaniel B. Palmer; NBP0602A; NBP0602A-5D; Sample code/label; SHALDRIL II; Smectite; Smectite, integral width; X-ray diffraction TEXTUR, clay fraction
    Materialart: Dataset
    Format: text/tab-separated-values, 126 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 5
    facet.materialart.
    Unbekannt
    Clay mineralogy on sediment core NBP0602A-6C (2012)
    PANGAEA
    Details
    Publikationsdatum: 2023-12-12
    Schlagwort(e): Chlorite; DRILL; Drilling/drill rig; Illite; Illite, integral width; Illite 5Å/10Å Esquevin-index; Illite position 10Å; Joinville Plateau; Kaolinite; Nathaniel B. Palmer; NBP0602A; NBP0602A-6C; Sample code/label; SHALDRIL II; Smectite; Smectite, integral width; X-ray diffraction TEXTUR, clay fraction
    Materialart: Dataset
    Format: text/tab-separated-values, 54 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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    DATA PANGAEA
  • 6
    facet.materialart.
    Unbekannt
    Clay mineralogy on sediment core NBP0602A-6D (2012)
    PANGAEA
    Details
    Publikationsdatum: 2023-12-12
    Schlagwort(e): Chlorite; DRILL; Drilling/drill rig; Illite; Illite, integral width; Illite 5Å/10Å Esquevin-index; Illite position 10Å; Joinville Plateau; Kaolinite; Nathaniel B. Palmer; NBP0602A; NBP0602A-6D; Sample code/label; SHALDRIL II; Smectite; Smectite, integral width; X-ray diffraction TEXTUR, clay fraction
    Materialart: Dataset
    Format: text/tab-separated-values, 18 data points
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    DATA PANGAEA
  • 7
    facet.materialart.
    Unbekannt
    Clay mineralogy on sediment core NBP0602A-12A (2012)
    PANGAEA
    Details
    Publikationsdatum: 2023-12-12
    Schlagwort(e): Chlorite; DRILL; Drilling/drill rig; Illite; Illite, integral width; Illite 5Å/10Å Esquevin-index; Illite position 10Å; Joinville Plateau; Kaolinite; Nathaniel B. Palmer; NBP0602A; NBP0602A-12A; Sample code/label; SHALDRIL II; Smectite; Smectite, integral width; X-ray diffraction TEXTUR, clay fraction
    Materialart: Dataset
    Format: text/tab-separated-values, 54 data points
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    DATA PANGAEA
  • 8
    facet.materialart.
    Unbekannt
    Clay minearlogy of sediment cores from cruise NBP19-02 (2024)
    PANGAEA
    Details
    Publikationsdatum: 2024-03-05
    Schlagwort(e): Amundsen Sea; Antarctica; Chlorite; DEPTH, sediment/rock; Depth, sediment/rock, bottom/maximum; Depth, sediment/rock, top/minimum; Elevation of event; Event label; Glaciomarine; Illite; KAL; Kaolinite; Kasten corer; Latitude of event; Longitude of event; Marine Sediment Core; Nathaniel B. Palmer; NBP19-02; NBP19-02_KC04; NBP19-02_KC15; NBP19-02_KC19; Smectite; Thwaites Glacier; X-ray diffraction (XRD)
    Materialart: Dataset
    Format: text/tab-separated-values, 258 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 9
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    Geochemical and sedimentological analysis of the 12.2 m long, radiocarbon-dated JPC42 sediment core from Wide Channel (50°S; Chile) (2023)
    PANGAEA
    Details
    Publikationsdatum: 2024-02-05
    Beschreibung: We performed geochemical and sedimentological analyses on a 12.2 m long, radiocarbon-dated sediment core collected from Wide Channel (50°S; Chile) to reconstruct fluctuations of the marine-terminating HPS19, Penguin and Europa glaciers, located along the western side of the Southern Patagonian Icefield. The JPC42 sediment core was collected with a Jumbo Piston corer onboard the RV/IB Nathaniel B. Palmer in July 2005. An additional 1.5 m long Kasten core (KC41) was retrieved to sample the sediment-water interface. Both cores were scanned on an ITRAX XRF core scanner at WHOI in August 2008 and then sampled in 2 cm thick slices (ca.10 cm³) every 10 cm at the Marine and Geology Repository of Oregon State University in February 2021. Samples were freeze-dried at Ghent University, and all discrete analyses were performed at a 10 cm interval, except for CaCO3 in the lower 5.9 m of the core, which was analyzed at a 20 cm interval.
    Schlagwort(e): Bulk organic geochemistry; Calcium Carbonate; Grain Size; Holocene; inorganic geochemistry; Late Glacial; Neoglaciation; Patagonia; Patagonian fjords; stable carbon isotopes
    Materialart: Dataset
    Format: application/zip, 4 datasets
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 10
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    Geochemical and sedimentological data of the JPC42 sediment core from Wide Channel, Chile (2023)
    PANGAEA
    Details
    Publikationsdatum: 2024-02-05
    Beschreibung: Organic geochemical and sedimentological data analyzed at a 10 to 20 cm interval on the JPC42 and KC41 cores including total organic carbon content, stable carbon isotopes, marine organic carbon content, calcium carbonate, grain-size mode, and ice-rafted debris (particles 〉150 µm).
    Schlagwort(e): After Troch et al., 2023; Bulk organic geochemistry; Calcium carbonate; Calcium Carbonate; Carbon, organic, total; Carbon, organic, total, marine; Depth, composite; Event label; Grain Size; Holocene; Ice rafted debris; inorganic geochemistry; JPC; JPC42; Jumbo Piston Core; KAL; Kasten corer; KC41; Late Glacial; Latitude of event; Longitude of event; Mode, grain size; Neoglaciation; Patagonia; Patagonian fjords; Sample ID; stable carbon isotopes; Wide Channel, Chile; δ13C
    Materialart: Dataset
    Format: text/tab-separated-values, 953 data points
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    DATA PANGAEA
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