Not logged in
PANGAEA.
Data Publisher for Earth & Environmental Science

Fischer, Kathleen M; Lavoie, Dawn (1994): Geotechnical properties of Lau Basin sediments [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.803230, Supplement to: Fischer, KM; Lavoie, D (1994): Geotechnical properties of Lau Basin sediments from a microfabric perspective. In: Hawkins, J; Parson, L; Allan, J; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 135, 797-804, https://doi.org/10.2973/odp.proc.sr.135.147.1994

Always quote citation above when using data! You can download the citation in several formats below.

RIS CitationBibTeX CitationShow MapGoogle Earth

Abstract:
Distribution of pore space and degree of cementation appear to be the main factors controlling the permeability of sediments retrieved from the Lau Basin. The undisturbed microfabrics of two lithologies, nannofossil ooze and vitric sandy silt, commonly found at Holes 834A, 835A, 838A, and 839Aof Leg 135 were examined by scanning electron microscopy equipped with energy dispersive X-ray spectral analysis and image analysis systems. The results of these analyses were compared with laboratory determinations of porosity, grain-size distribution, and permeability on discrete samples from the same sediment depths. The permeability of the vitric sandy silt is 3-5 orders of magnitude higher than the nannofossil ooze samples. The porosity of nannofossil ooze ranges from 6% to 12% greater than the porosity of vitric sandy silt, which partially reflects the finer texture of nannofossil ooze. Although the correlation of higher porosity with lower permeability is not surprising, factors other than simply grain-size distribution must be invoked to explain the large differences in permeability found in these samples.
Project(s):
Ocean Drilling Program (ODP)
Coverage:
Median Latitude: -19.651250 * Median Longitude: -177.207500 * South-bound Latitude: -20.827000 * West-bound Longitude: -177.862000 * North-bound Latitude: -18.501000 * East-bound Longitude: -176.775000
Date/Time Start: 1990-12-21T20:35:00 * Date/Time End: 1991-01-17T16:00:00
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
2 datasets

Download Data

Download ZIP file containing all datasets as tab-delimited text — use the following character encoding:

Datasets listed in this publication series

  1. Fischer, KM; Lavoie, D (1994): (Table 1) Physical properties of sediments selected for microfabric analysis of ODP Leg 135 holes. https://doi.org/10.1594/PANGAEA.803222
  2. Fischer, KM; Lavoie, D (1994): (Table 2) Cumulative feature area and porosity for ODP Leg 135 samples. https://doi.org/10.1594/PANGAEA.803229