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Dunn & Sen 1994

Dunn, T. and Sen, C. (1994). Mineral/Matrix Partition-Coefficients for Ortho-Pyroxene, Plagioclase, and Olivine in Basaltic to Andesitic Systems - a Combined Analytical and Experimental-Study. Geochimica et Cosmochimica Acta 58(2): 717-733. doi: 10.1016/0016-7037(94)90501-0.

Mineral/matrix partition coefficients have been determined for a large suite of elements including Li, Be, Ti, V, Cr, Mo, Rb, Sr, Y, Zr, Nb, Cs, Ba, REEs, Ta, Pb, Th, and U for olivine, orthopyroxene, and plagioclase from a suite of calc-alkaline volcanics from Mt. Adams, Washington. The partition coefficients were determined via a combination of ICP-MS bulk analyses and IPMA microanalyses. The IPMA data were used to correct the larger ICP-MS data set for matrix contamination effects. Crystallization temperatures and the extent of equilibration between crystalline phases and host matrices were evaluated via 0.1 MPa phase equilibrium experiments. The result is a comprehensive set of partition coefficients, determined simultaneously on the same samples, which may be applied to studies of the petrogenesis of anhydrous calc-alkaline magmas.

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	Abstract

	Table 1
	Table 2
	Table 3A
	Table 3B
	Table 4
	Table 5
	Table 6
	Table 7
	Table 8
	Table 9
	Table 10
	Table 11

	Analytical Methods
	Sample Preparation
	Experimental Procedures

Keywords
rare-earth elements, rock-forming minerals, young volcanic-rocks, low-ca pyroxene, trace-elements, ion-microprobe, reference samples, liquid, ree, phenocrysts

Journal
Geochimica et Cosmochimica Acta
http://www.elsevier.com/wps/product/cws_home/212

Publisher
Elsevier Science
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