The oxidation states of niobium and tantalum in mantle melts
Date
2012
Authors
Burnham, Antony D
Berry, Andrew
Wood, Bernard J.
Cibin, Giannantonio
Journal Title
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Volume Title
Publisher
Elsevier
Abstract
Niobium K-edge and tantalum LIII-edge XANES spectra were recorded for silicate glasses quenched from melts equilibrated at oxygen fugacities (in log units relative to the iron-wüstite buffer) ranging from IW+6.7 to IW-4.3 at 1400-1650°C and atmospheric
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Keywords
Keywords: Arc signature; Oxidation state; Oxygen fugacity; Silicate melts; XANES; Atmospheric pressure; Oxidation; Silicates; Structural geology; Tantalum; Niobium; fugacity; igneous geochemistry; mantle source; niobium; oxidation; P-T conditions; silicate melt; ta Arc signature; Niobium paradox; Oxidation state; Oxygen fugacity; Silicate melt; XANES
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Source
Chemical Geology
Type
Journal article
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2037-12-31
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