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  • 1
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    (Table 1) Interstitial water chemistry at DSDP Leg 73 Holes
    PANGAEA
    In:  Supplement to: Gieskes, Joris M; Sirocky, Frank X; LaKind, Judy (1984): Interstitial water studies, Leg 73. In: Hsü, KJ; LaBrecque, JL; et al. (eds.), Initial Reports of the Deep Sea Drilling Project (U.S. Govt. Printing Office), 73, 539-541, https://doi.org/10.2973/dsdp.proc.73.119.1984
    Details
    Publication Date: 2023-06-27
    Description: Interstitial waters obtained from a transect east from the Mid-Atlantic Ridge on progressively older oceanic crust (Sites 519-522) indicate a general absence of concentration gradients in calcium and magnesium. The lack of gradients indicates little or no exchange of these seawater constituents with the underlying basalts. Only at Site 520, where there are increases in calcium and decreases in magnesium, do reactions in the silica-enriched zone appear to have affected interstitial water composition. At Site 524, on the eastern flank of the Walvis Ridge, large changes in calcium and magnesium occur as a result of reactions involving the volcanic materials that are both dispersed in the sediment column and present in the underlying basalts.
    Keywords: 73-519; 73-520; 73-521; 73-521A; 73-522; 73-523; 73-524; Alkalinity, total; Ammonium; Calcium; Chlorine; Deep Sea Drilling Project; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Elevation of event; Event label; Glomar Challenger; Latitude of event; Leg73; Lithium; Longitude of event; Magnesium; pH; Potassium; Salinity; Sample code/label; see reference(s); Silicon; South Atlantic/CANYON; South Atlantic/HILL; South Atlantic/PLATEAU; South Atlantic/RIDGE; South Atlantic/VALLEY; Strontium; Sulfate
    Type: Dataset
    Format: text/tab-separated-values, 225 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 2
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    Unknown
    (Table 1) Interstitial water chemistry at DSDP Leg 72 Holes
    PANGAEA
    In:  Supplement to: Gieskes, Joris M; Sirocky, Frank X; LaKind, Judy (1983): Interstitial water studies, Leg 72. In: Barker, PF; Carlson, RL; Johnson, DA; et al. (eds.), Initial Reports of the Deep Sea Drilling Project (U.S. Govt. Printing Office), 72, 391-394, https://doi.org/10.2973/dsdp.proc.72.109.1983
    Details
    Publication Date: 2023-06-27
    Description: Interstitial waters collected at Sites 515 and 516 during DSDP Leg 72 have been analyzed for major and minor constituents. At both sites increases in dissolved calcium and decreases in dissolved magnesium with depth imply reactions in the sediment column involving these constituents. It is suggested that these concentration changes are related to reactions involving biogenic silica transformation.
    Keywords: 72-515; 72-515B; 72-516A; 72-516F; Alkalinity, total; Ammonium; Calcium; Chlorine; 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; Leg72; Lithium; Longitude of event; Magnesium; pH; Potassium; Salinity; Sample code/label; see reference(s); Silicon; South Atlantic/BASIN; South Atlantic/CONT RISE; Strontium; Sulfate
    Type: Dataset
    Format: text/tab-separated-values, 286 data points
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    DATA PANGAEA
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