Geochemical mass balance for lithium, boron, and strontium in the Gulf of Papua, Papua New Guinea (project TROPICS)

A mass balance has been calculated for the elements Li, B, and Sr in the Gulf of Papua from sampling undertaken during 1993 to 1999. Parameters measured included Fly, Kikori, and Purari River inputs of dissolved and particulate phases, removal flux to sediment traps at the base of the continental sh...

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Bibliographic Details
Published in:Geochimica et cosmochimica acta 2003-09, Vol.67 (18), p.3365-3383
Main Authors: Brunskill, Gregg J, Zagorskis, Irena, Pfitzner, John
Format: Article
Language:English
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Summary:A mass balance has been calculated for the elements Li, B, and Sr in the Gulf of Papua from sampling undertaken during 1993 to 1999. Parameters measured included Fly, Kikori, and Purari River inputs of dissolved and particulate phases, removal flux to sediment traps at the base of the continental shelf slope, and century-scale accumulation rates in shelf and slope sediments (derived from excess 210Pb profiles in sediment cores). About 91% of river input Li was in particulate form, and there was conservative behavior of dissolved Li in the salinity gradient of the estuaries. Li accumulation rate in inner-shelf sediments was slightly less than river inputs, suggesting that more than 90% of Li river inputs were trapped in rapid aluminosilicate mud accumulation zones of the inner shelf (
ISSN:0016-7037
1872-9533
DOI:10.1016/S0016-7037(02)01410-2