(Table 3) Interstitial water elemental composition at DSDP Leg 86 Holes
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| Format: | Dataset Open Access |
| Sprache: | en |
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PANGAEA
1985
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| _version_ | 1867171810460565504 |
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| author | McDuff, Russell E |
| author_facet | McDuff, Russell E |
| collection | Datos científicos de ciencias marinas y ambientales |
| contents | Interstitial water samples from Leg 86 were analyzed for Cl-, SO42-, Ca2+, Mg2+, K+ , Li+ , Sr2+, Mn2+, Si, NO3-, NH4+ , and d18O. The principal findings are as follows. (1) The chloride profiles consistently show a about 1.5% downcore increase to about 40 m sub-bottom depth. This increase is consistent with model profiles generated by considering the effects of variations in seawater salinity resulting from Pleistocene glaciation on pore-water composition. d18O profiles support this model. This agreement of model and observation precludes advection of the pore fluids at rates greater than 1 mm/yr. (2) Ca2+ and Mg2+ gradients are small relative to other Deep Sea Drilling Project sites, likely resulting from low diffusive fluxes through underlying chert horizons. (3) Other constituents exhibit profiles consistent with previous observations. |
| format | Dataset Open Access |
| id | pangaea_https___doi_org_10_1594_PANGAEA_802691 |
| institution | PANGAEA |
| language | en |
| publishDate | 1985 |
| publisher | PANGAEA |
| record_format | pangaea |
| spellingShingle | (Table 3) Interstitial water elemental composition at DSDP Leg 86 Holes McDuff, Russell E 86-576; 86-577; 86-577A; 86-578; 86-579; 86-579A; 86-580; 86-581; Ammonium; Atomic absorption spectrometry (AAS); Calcium; Chloride; Colorimetry; Deep Sea Drilling Project; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Elevation of event; Event label; Glomar Challenger; Latitude of event; Leg86; Lithium; Longitude of event; Magnesium; Manganese 2+; Mass spectrometry (MS); Nitrate; North Pacific Ocean; Potassium; Sample code/label; Silicon; Strontium; Sulfate; Titration; δ18O Interstitial water samples from Leg 86 were analyzed for Cl-, SO42-, Ca2+, Mg2+, K+ , Li+ , Sr2+, Mn2+, Si, NO3-, NH4+ , and d18O. The principal findings are as follows. (1) The chloride profiles consistently show a about 1.5% downcore increase to about 40 m sub-bottom depth. This increase is consistent with model profiles generated by considering the effects of variations in seawater salinity resulting from Pleistocene glaciation on pore-water composition. d18O profiles support this model. This agreement of model and observation precludes advection of the pore fluids at rates greater than 1 mm/yr. (2) Ca2+ and Mg2+ gradients are small relative to other Deep Sea Drilling Project sites, likely resulting from low diffusive fluxes through underlying chert horizons. (3) Other constituents exhibit profiles consistent with previous observations. |
| title | (Table 3) Interstitial water elemental composition at DSDP Leg 86 Holes |
| topic | 86-576; 86-577; 86-577A; 86-578; 86-579; 86-579A; 86-580; 86-581; Ammonium; Atomic absorption spectrometry (AAS); Calcium; Chloride; Colorimetry; Deep Sea Drilling Project; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Elevation of event; Event label; Glomar Challenger; Latitude of event; Leg86; Lithium; Longitude of event; Magnesium; Manganese 2+; Mass spectrometry (MS); Nitrate; North Pacific Ocean; Potassium; Sample code/label; Silicon; Strontium; Sulfate; Titration; δ18O |
| url | https://doi.org/10.1594/PANGAEA.802691 |