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High-precision Pb-Sr-Nd-Hf isotopic characterization of USGS BHVO-1 and BHVO-2 reference materials.

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Title: High-precision Pb-Sr-Nd-Hf isotopic characterization of USGS BHVO-1 and BHVO-2 reference materials.
Author: Weis, Dominique; Kieffer, Bruno; Pretorius, Wilma; Barling, Jane
Issue Date: 2005
Publicly Available in cIRcle 2011-11-16
Publisher American Geophysical Union
Citation: Weis, Dominique; Kieffer, Bruno; Maerschalk, Claude; Pretorius, Wilma; Barling, Jane. (2005). High-precision Pb-Sr-Nd-Hf isotopic characterization of USGS BHVO-1 and BHVO-2 reference materials. Geochemistry, Geophysics, Geosystems, 6(2), Q02002, dx.doi.org/10.1029/2004GC000852.
Abstract: The recent development of multiple-collector inductively coupled plasma mass spectrometry (MC-ICP-MS) and increasing use of the technique have created the need for well-characterized rock standards, especially for isotopic systems where no internal fractionation correction can be applied. This paper presents a careful leaching experiment on the U.S. Geological Survey (USGS) reference materials BHVO-1 and BHVO-2 (Hawaiian basalts) and documents the evidence for contamination of the rock powders during processing. This contamination accounts for the difference in Pb isotopic ratios of BHVO-1 and BHVO-2 as well as for their lack of homogeneity both in Pb isotopic compositions and in some trace element contents. An edited version of this paper was published by AGU. Copyright 2005 American Geophysical Union.
Affiliation: Science, Faculty ofEarth and Ocean Sciences, Department of
URI: http://hdl.handle.net/2429/39102
Peer Review Status: Reviewed
Scholarly Level: Faculty

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