Lavoie, Dawn (1988): Index properties of sediments from ODP Hole 101-630B (Table 2) [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.743276, Supplement to: Lavoie, D (1988): Geotechnical properties of sediments in a carbonate-slope environment: Ocean Drilling Program Site 630, Northern Little Bahama Bank. In: Austin, JA Jr.; Schlager, W; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 101, 315-326, https://doi.org/10.2973/odp.proc.sr.101.151.1988
Always quote citation above when using data! You can download the citation in several formats below.
Abstract:
Three holes were cored at Site 630 during Leg 101 of the Ocean Drilling Program. Whole-round samples were obtained for geotechnical analyses from Hole 630B. Consolidation studies, which relate changes in the coefficients of consolidation, compressibility, and permeability to the overburden pressure, indicate that sediments recovered to 79.4 mbsf (meters below seafloor) are not significantly consolidated. This may be a function of total carbonate content, mineralogy, and type of carbonate constituents. The lower total porosity and permeability of Section 101-630B-2H-5 relative to 101-630B-5H-6 and 101-630B-9H-6 are explained in terms of effective fluid flow, total calcium carbonate content, and type of constituents present.
Results from triaxial shear testing and direct shear testing indicate that Section 101-630B-2H-5 has a higher degree of cohesion and a higher angle of internal friction (0) than sediment recovered deeper in the section, although angles of internal friction from all three samples are lower than typical angles measured from deep-sea foraminiferal ooze. Attempts to compare triaxial shear results qualitatively with measurements of undrained vane shear strength from Hole 630A suggest that the latter may be meaningless if taken from sediments dependent on overburden pressure to maintain strength.
Calculations based on consolidated and drained shear strength suggest that if the sediment column is homogeneous, the slope will be stable to 14° of inclination. If the inhomogeneities in the section, such as the turbidite layers known to be present, are weaker than the sediments tested, then the stable slope inclination may be less than that calculated. This is substantiated by the abundance of seismic evidence for slumping, sliding, and imbricate thrusting on this gentle (2°-3°) slope.
Project(s):
Ocean Drilling Program (ODP)
Coverage:
Latitude: 27.449000 * Longitude: -78.340500
Date/Time Start: 1985-02-21T10:20:00 * Date/Time End: 1985-02-21T19:00:00
Minimum DEPTH, sediment/rock: 10.9 m * Maximum DEPTH, sediment/rock: 79.4 m
Event(s):
101-630B * Latitude: 27.449000 * Longitude: -78.340500 * Date/Time Start: 1985-02-21T10:20:00 * Date/Time End: 1985-02-21T19:00:00 * Elevation: -815.0 m * Penetration: 80.4 m * Recovery: 79.68 m * Location: South Atlantic Ocean * Campaign: Leg101 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 9 cores; 79.9 m cored; 0 m drilled; 99.7 % recovery
Comment:
Sediment dept is the burial depth (mbsf)
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Sample code/label | Sample label | Lavoie, Dawn | DSDP/ODP/IODP sample designation | ||
| 2 | Aragonite | Arg | Lavoie, Dawn | |||
| 3 | Specific gravity | Specific gravity | Lavoie, Dawn | |||
| 4 | Sand | Sand | % | Lavoie, Dawn | ||
| 5 | Water content, wet mass | Water wm | % | Lavoie, Dawn | ||
| 6 | Porosity | Poros | % vol | Lavoie, Dawn | ||
| 7 | DEPTH, sediment/rock | Depth sed | m | Geocode |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
18 data points