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Svendsen, John Inge; Mangerud, Jan; Elverhoi, Anders; Solheim, Anders; Schüttenhelm, Ruud TE (1992): Age determination of sediment cores off western Spitsbergen [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.732390, Supplement to: Svendsen, JI et al. (1992): The Late Weichselian glacial maximum on western Spitsbergen inferred from offshore sediment cores. Marine Geology, 104(1-4), 1-17, https://doi.org/10.1016/0025-3227(92)90081-R

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Abstract:
The Late Weichselian glacial history of the continental shelf off western Spitsbergen is discussed, based on acoustic sub-bottom records and sediment cores. The outer part of Isfjorden and the inner shelf to the west of this fjord are characterized by a thin veneer (10-20 m) of glacigenic sediments and absence of ice-marginal features. Towards the outer shelf the sediment thickness increases significantly, and exceeds 500 m at the shelf edge. Possible moraine complexes were identified in this outer part.
Sediment cores from the inner shelf sampled a firm diamicton, interpreted as till, beneath soft glaciomarine sediments. Radiocarbon dates on shells from the clay resting directly on the till, suggest an age of around 12,500 yrs B.P. for the base of the marine sequence. We argue that grounded ice covered the sites shortly before. In contrast to suggestions that the fjords and coast were partly ice free during the Late Weischselian, we conclude that the ice must have reached out onto the continental shelf.
Project(s):
Quaternary Environment of the Eurasian North (QUEEN)
Funding:
Fourth Framework Programme (FP4), grant/award no. MAS3980185: Quaternary Environment of the Eurasian North
Coverage:
Median Latitude: 78.086667 * Median Longitude: 13.147500 * South-bound Latitude: 78.016667 * West-bound Longitude: 11.690000 * North-bound Latitude: 78.276667 * East-bound Longitude: 15.260000
Event(s):
87-137PC * Latitude: 78.038333 * Longitude: 12.880000 * Elevation: -271.0 m * Recovery: 3.8 m * Campaign: QUEEN_Exped * Method/Device: Piston corer (PC)
87-138 * Latitude: 78.095000 * Longitude: 13.078333 * Campaign: QUEEN_Exped * Method/Device: Piston corer (PC)
87-144PC * Latitude: 78.276667 * Longitude: 15.260000 * Elevation: -228.0 m * Recovery: 3.7 m * Campaign: QUEEN_Exped * Method/Device: Piston corer (PC)
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
6 datasets

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Datasets listed in this publication series

  1. Svendsen, JI; Mangerud, J; Elverhoi, A et al. (1992): (Table 1) Age determination on sediment core 87-137PC. https://doi.org/10.1594/PANGAEA.732379
  2. Svendsen, JI; Mangerud, J; Elverhoi, A et al. (1992): (Table 1) Age determination of sediment core 87-138. https://doi.org/10.1594/PANGAEA.732376
  3. Svendsen, JI; Mangerud, J; Elverhoi, A et al. (1992): (Table 1) Age determination on sediment core 87-144PC. https://doi.org/10.1594/PANGAEA.732383
  4. Svendsen, JI; Mangerud, J; Elverhoi, A et al. (1992): (Table 1) Age determination on sediment core 88-PCM-01. https://doi.org/10.1594/PANGAEA.732380
  5. Svendsen, JI; Mangerud, J; Elverhoi, A et al. (1992): (Table 1) Age determination on sediment core 88-PCM-2. https://doi.org/10.1594/PANGAEA.732381
  6. Svendsen, JI; Mangerud, J; Elverhoi, A et al. (1992): (Table 1) Age determination on sediment core 88-PCM-3. https://doi.org/10.1594/PANGAEA.732382