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Schoonmaker, J; Mackenzie, Fred T; Manghnani, M; Schneider, R C; Kim, D; Weiner, A; To, J (1985): Mineralogy and diagenesis: Their effect on acoustic and electrical properties of pelagic clays at DSDP Leg 86 Holes [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.802538, Supplement to: Schoonmaker, J et al. (1985): Mineralogy and diagenesis: Their effect on acoustic and electrical properties of pelagic clays, Deep Sea Drilling Project Leg 86. In: Heath GR; Burckle LH; et al. (eds.), Initial Reports of the Deep Sea Drilling Project, Washington (U.S. Govt. Printing Office), 86, 549-570, https://doi.org/10.2973/dsdp.proc.86.123.1985

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Published: 1985 (exact date unknown) • DOI registered: 2012-12-25

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Abstract:
Analysis of pelagic clay samples from Sites 576, 578, and 581 shows that physical, acoustic, and electrical trends with increasing burial depth are related to mineralogical and diagenetic changes. The properties of interest are bulk density (roo), porosity (phi), compressional-wave velocity (Vp) and velocity anisotropy (Ap), and electrical resistivity (Ro) and resistivity anisotropy (Ar). In general, as demonstrated in particular for the brown pelagic clay, the increase in roo, Vp, Ro, and to a lesser extent Ap and Ar with increasing depth is primarily caused by decreasing phi (and water content) as a result of compaction.
The mineralogy and chemistry of the pelagic clays vary as a function of burial depth at all three sites. These variations are interpreted to reflect changes in the relative importance of detrital and diagenetic components. Mineralogical and chemical variations, however, play minor roles in determining variations in acoustic and electrical properties of the clays with increasing burial depth.
Project(s):
Deep Sea Drilling Project (DSDP)
Coverage:
Median Latitude: 35.860267 * Median Longitude: 159.708660 * South-bound Latitude: 32.356000 * West-bound Longitude: 151.629000 * North-bound Latitude: 43.927000 * East-bound Longitude: 164.275700
Date/Time Start: 1982-05-16T00:00:00 * Date/Time End: 1982-06-10T00:00:00
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
5 datasets

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Datasets listed in this publication series

  1. Schoonmaker, J; Mackenzie, FT; Manghnani, M et al. (1985): (Table 4) Measured bulk densities and compressional-wave velocities at Holes 86-576, 86-578, and 86-581. https://doi.org/10.1594/PANGAEA.802535
  2. Schoonmaker, J; Mackenzie, FT; Manghnani, M et al. (1985): (Table 5) Electrical resistivity at DSDP Holes 86-576,86- 578, and 86-581. https://doi.org/10.1594/PANGAEA.802536
  3. Schoonmaker, J; Mackenzie, FT; Manghnani, M et al. (1985): (Table 3) Concentrations of major and trace elements in selected bulk samples from Holes 86-576, 86-578, and 86-581. https://doi.org/10.1594/PANGAEA.802534
  4. Schoonmaker, J; Mackenzie, FT; Manghnani, M et al. (1985): (Table 1) Mineralogy of bulk samples at DSDP Holes 86-576, 86-578, and 86-581. https://doi.org/10.1594/PANGAEA.802531
  5. Schoonmaker, J; Mackenzie, FT; Manghnani, M et al. (1985): (Table 2) Mineralogy of the <2-µm size fraction at DSDP Holes 86-576, 86-578, and 86-581. https://doi.org/10.1594/PANGAEA.802533