Wilson, T R S; Miles, D L (1987): (Table 1) Calcium and magnesium in porewater at DSDP Hole 94-608 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.788767, Supplement to: Wilson, TRS; Miles, DL (1987): On the utility of chemical data for the detection of vertical pore-water movement in marine sediments. In: Ruddiman, WF; Kidd, RB; Thomas, E; et al. (eds.), Initial Reports of the Deep Sea Drilling Project, Washington (U.S. Govt. Printing Office), 94, 1145-1148, https://doi.org/10.2973/dsdp.proc.94.144.1987
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Abstract:
The suggestion that nuclear waste material might be buried within the sediments of the deep ocean has increased interest in possible ways that vertical pore-water movement might be detected and measured. A heat-flow station (Discovery 10335) previously occupied near Kings Trough indicated nonlinear temperature-depth profiles in the surficial sediments, which could be interpreted in terms of a very high upward pore-water velocity. The calcium and magnesium pore-water profiles at Site 608, however, prove to be unusually linear and show a strong inverse correlation with each other. In these circumstances it is very unlikely that vertical pore-water movements have occurred, and the application of a simple model indicates that, given the assumptions of this model, the vertical pore-water advection velocity has been zero ± 0.006 cm yr**-1. for a substantial fraction of the recent sedimentological history of this area.
Project(s):
Deep Sea Drilling Project (DSDP)
Coverage:
Latitude: 42.836700 * Longitude: -23.087500
Date/Time Start: 1983-07-13T00:00:00 * Date/Time End: 1983-07-13T00:00:00
Minimum DEPTH, sediment/rock: 7 m * Maximum DEPTH, sediment/rock: 401 m
Event(s):
94-608 * Latitude: 42.836700 * Longitude: -23.087500 * Date/Time: 1983-07-13T00:00:00 * Elevation: -3526.0 m * Penetration: 530.3 m * Recovery: 428.3 m * Location: North Atlantic/FLANK * Campaign: Leg94 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 59 cores; 529.3 m cored; 0 m drilled; 80.9 % recovery
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | DEPTH, sediment/rock | Depth sed | m | Geocode – mbsf | ||
| 2 | Calcium | Ca | mmol/l | Wilson, T R S | in porewater | |
| 3 | Magnesium | Mg | mmol/l | Wilson, T R S | in porewater |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
30 data points