Rare earth element and yttrium variability in South East Queensland waterways

Lawrence, M. G., Greig, A., Collerson, K. D. and Kamber, B. S. (2006) Rare earth element and yttrium variability in South East Queensland waterways. Aquatic Geochemistry, 12 1: 39-72.

Document type:	Journal Article
Collections:	Excellence in Research Australia (ERA) - Collection School of Earth Sciences Publications

Author(s)	Lawrence, M. G. Greig, A. Collerson, K. D. Kamber, B. S.
Title	Rare earth element and yttrium variability in South East Queensland waterways
Journal name	Aquatic Geochemistry
Publication date	2006
Sub-type	Article
Volume number	12
Issue number	1
ISSN	1380-6165
Start page	39
End page	72
Total pages	34
Place of publication	New York, USA
Publisher	Springer
Collection year	2006
Language	eng
Subject	C1 780102 Physical sciences 260300 Geochemistry
Abstract	We present data for the rare earth elements and yttrium (REY) in the National Research Council of Canada natural river water reference material SLRS-4 and 19 natural river waters from small catchments in South-East Queensland, Australia, by a direct ICP-MS method. The 0.22 mu m filtered river water samples show a large degree of variability in both the REY concentration, e.g., La varies from 13 to 1157 ppt, and shape of the alluvial-sediment-normalised REY patterns with different samples displaying light, middle or heavy rare earth enrichment. In addition, a spatial study was undertaken along the freshwater section of Beerburrum Creek, which demonstrates that similar to 75% of the total REYs in this waterway are removed prior to estuarine mixing without evidence of fractionation.
Keyword(s)	Geochemistry & Geophysics Fractionation Icp-ms Queensland Rare Earth Elements Rivers Slrs-4 Yttrium Plasma-mass-spectrometry Marine-environment Precise Determination Particulate Matter Geological Samples Trace-elements Pacific-ocean River Waters Indian-ocean Ce Oxidation