Browsing ELibrary by Author "Kamber B.S."
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Browsing ELibrary by Author "Kamber B.S."
Now showing items 1-11 of 11
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Murphy D.T.; Kamber B.S.; Collerson K.D. (2003)The first terrestrial Pb-isotope paradox refers to the fact that on average, rocks from the Earth's surface (i.e. the accessible Earth) plot significantly to the right of the meteorite isochron in a common Pb-isotope ...
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Collerson K.D.; Kamber B.S.; Schoenberg R. (2002)The isotope composition of Ph is difficult to determine accurately due to the lack of a stable normalisation ratio. Double and triple-spike addition techniques provide one solution and presently yield the most accurate ...
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Kamber B.S.; Collerson K.D.; Ewart A.; Bruce M.C.; McDonald G.D. (2002)We use published and new trace element data to identify element ratios which discriminate between arc magmas from the supra-subduction zone mantle wedge and those formed by direct melting of subducted crust (i.e. adakites). ...
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Kamber B.S.; Collerson K.D.; Moorbath S.; Whitehouse M.J. (2003)Comparison of initial Pb-isotope signatures of several early Archaean (3.65–3.82 Ga) lithologies (orthogneisses and metasediments) and minerals (feldspar and galena) documents the existence of substantial isotopic heterogeneity ...
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Schoenberg R.; Kamber B.S.; Collerson K.D.; Eugster O. (2002)The short-lived 182Hf-182W-isotope system is an ideal clock to trace core formation and accretion processes of planets. Planetary accretion and metal/silicate fractionation chronologies are calculated relative to the ...
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Lawrence M.G.; Greig A.; Collerson K.D.; Kamber B.S. (2006)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, ...
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Frei R.; Villa I.M.; Nagler T.F.; Kramers J.D.; Przybylowicz W.J.; Prozesky V.M.; Hofmann B.A.; Kamber B.S. (1997)Stepwise Pb-Pb leaching (PbSL) has been successfully used to date rock-forming silicates directly linked to metamorphic reactions defining a PT path. The two features of PbSL are an increase of precision and a control on ...
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Frei R.; Kamber B.S. (1995)A new stepwise leaching procedure applied to Ca-bearing silicates enables the selective recovery of radiogenic and common Pb from a mineral, and thus makes single-phase Pb-Pb dating possible. This permits independent dating ...
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Kamber B.S.; Moorbath S.; Whitehouse M.J. (2001)Ages in the range 3.6-4.0 Ga (billion years) have been reported for the oldest, continental, granitoid orthogneisses, whose magmatic precursors were probably formed by partial melting or differentiation from a mafic, ...
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Kamber B.S.; Collerson K.D. (2000)A survey of global ocean island basalt geochemistry shows a remarkably strong linear correlation (average rmr/rm2 = 0·95) between Zr and Nb concentrations. Fractional crystallization explains neither the range in Zr and ...
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Kamber B.S.; Collerson K.D. (2000)A survey of global ocean island basalt geochemistry shows a remarkably strong linear correlation (average r2 = 0·95) between Zr and Nb concentrations. Fractional crystallization explains neither the range in Zr and Nb ...
Now showing items 1-11 of 11
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