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The major- element composition of suspended matter in the Zaire river and estuary
Sholkovitz, E.R.; Van Grieken, R.; Eisma, D. (1978). The major- element composition of suspended matter in the Zaire river and estuary. Neth. J. Sea Res. 12(3-4): 407-413
In: Netherlands Journal of Sea Research. Netherlands Institute for Sea Research (NIOZ): Groningen; Den Burg. ISSN 0077-7579; e-ISSN 1873-1406, more
Peer reviewed article  
Keyword
    Marine/Coastal
Authors  Top 
  • Sholkovitz, E.R.
  • Van Grieken, R., more
  • Eisma, D., more
Abstract
    A study of the major-element (Si, Al, Fe, K, Mg, Ca, Ti, Mn and P) composition of suspended matter in the surface waters of the Zaire River and Estuary revealed that this material was enriched in Al, Fe and P and depleted in Si, Ca, K and Mg relative to recent pelagic sediments and to suspended matter carried by the Amazon River. These enrichments and depletions are characteristic of soils in regions of intense chemical weathering as is the situation in western equatorial Africa. Suspended samples from waters near the bottom of the estuary have compositions which indicate that this material has undergone much less chemical weathering. These particles were of greater size and most likely contained a larger proportion of quartz, micas, feldspars and oxides of iron and titanium than those of the surface waters.
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