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St. John, Kristen E Kudless (1999): Coarse-sand ice-rafted debris components and mass accumulation rates of ODP Site 152-918 [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.804839, Supplement to: St. John, KEK (1999): Data Report: Site 918 IRD mass accumulation rate record, late Miocene-Pleistocene. In: Larsen, HC; Duncan, RA; Allan, JF; Brooks, K (eds.) Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 163, 1-4, https://doi.org/10.2973/odp.proc.sr.163.119.1999

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Abstract:
To understand the late Cenozoic glacial history of the Northern Hemisphere, continuous long-term proxy records from climatically sensitive regions must be examined. Ice-rafted debris (IRD) from Ocean Drilling Program (ODP) Site 918, located in the Irminger Basin, is one such record. IRD in marine sediments is a direct indicator of the presence of glacial ice extending to sea level on adjacent landmasses, and, therefore, is an important paleoclimatic signal from the mid- to high latitudes. The IRD record at Site 918 is the first long-term ice-rafting record available for southeast Greenland, a region that may have been a key nucleation area for widespread glaciation during the late Cenozoic (Larsen et al, 1994, doi:10.2973/odp.proc.ir.152.1994). This data report presents the results of coarse sand-size IRD mass accumulation rate (MAR) analyses for Site 918 from the late Miocene through the Pleistocene. In addition, a preliminary analysis of IRD compositions is included. Detailed discussions of the local, regional, and global paleoclimatic implications of this data, and of the companion Site 919 Pleistocene IRD MAR data (Krissek, 1999, doi:10.2973/odp.proc.sr.163.118.1999), are in preparation. Such future work will include comparisons of these IRD MAR data sets to the Site 919 oxygen isotope stratigraphy developed by Flower (1998, doi:10.2973/odp.proc.sr.152.219.1998).
Project(s):
Ocean Drilling Program (ODP)
Coverage:
Median Latitude: 63.342869 * Median Longitude: -38.638900 * South-bound Latitude: 63.092900 * West-bound Longitude: -38.638900 * North-bound Latitude: 63.926130 * East-bound Longitude: -38.638900
Date/Time Start: 1993-10-26T11:29:00 * Date/Time End: 1993-11-12T16:50:00
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
4 datasets

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Datasets listed in this publication series

  1. St. John, KEK (1999): (Table 2) Composition of ODP Site 152-918 coarse-sand ice-rafted debris. https://doi.org/10.1594/PANGAEA.804836
  2. St. John, KEK (1999): (Table 3) Composition of very coarse-sand from ODP Site 152-918 ice-rafted debris. https://doi.org/10.1594/PANGAEA.804837
  3. St. John, KEK (1999): (Table 1) Grain size, sedimentation rates and accumulation rates of ODP Site 152-918 coarse-sand ice-rafted debris. https://doi.org/10.1594/PANGAEA.804835
  4. St. John, KEK (1999): (Table 4) Mass accumulation rates of ODP Site 152-918 coarse-sand ice-rafted debris components. https://doi.org/10.1594/PANGAEA.804838