Joseph, Leah H; Rea, David K; van der Pluijm, Ben A (1998): Grain size and magnetic fabric analyses [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.857863, Supplement to: Joseph, LH et al. (1998): Use of grain size and magnetic fabric analyses to distinguish among depositional environments. Paleoceanography, 13(5), 491-501, https://doi.org/10.1029/98PA01939
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Abstract:
The combined use of grain size and magnetic fabric analyses provides the ability to discriminate among depositional environments in deep-sea terrigenous sediments. We analyzed samples from three different depositional settings: turbidites, pelagic or hemipelagic interlayers, and sediment drifts. Results indicate that sediment samples from these different environments can be distinguished from each other on the basis of their median grain size, sorting, as well as the intensity and shape of magnetic fabric as determined from an examination of the anisotropy of magnetic susceptibility. We use these discriminators to interpret downcore samples from the Bermuda Rise sediment drift. We find that the finer grains of the Bermuda Rise (relative to the Blake Outer Ridge) do not result from lower depositional energy (current speed) and so may reflect a difference in the nature of sediment being delivered to the site (i.e., distance from source) between the two locations.
Other version:
Joseph, Leah H; Rea, David K; van der Pluijm, Ben A (2003): NOAA/WDS Paleoclimatology - Grain Size and Magnetic Fabric Data. NOAA National Centers for Environmental Information, https://doi.org/10.25921/C02Y-TF55
Coverage:
Median Latitude: 35.036000 * Median Longitude: -80.459324 * South-bound Latitude: 31.250000 * West-bound Longitude: -127.380000 * North-bound Latitude: 42.087000 * East-bound Longitude: -57.620000
Date/Time Start: 1982-10-06T00:00:00 * Date/Time End: 1987-10-01T00:00:00
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
2 datasets
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Datasets listed in this publication series
- Joseph, LH; Rea, DK; van der Pluijm, BA (1998): (Table B) Results of analysis of Bermuda Rise sediment core CH89-9P. https://doi.org/10.1594/PANGAEA.857862
- Joseph, LH; Rea, DK; van der Pluijm, BA (1998): (Table A) Results of inter-depositional environment analysis. https://doi.org/10.1594/PANGAEA.857861