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Titolo:
MINERAL MATRIX PARTITION-COEFFICIENTS FOR ORTHO-PYROXENE, PLAGIOCLASE, AND OLIVINE IN BASALTIC TO ANDESITIC SYSTEMS - A COMBINED ANALYTICALAND EXPERIMENTAL-STUDY/
Autore:
DUNN T; SEN C;
Indirizzi:
UNIV NEW BRUNSWICK,DEPT GEOL,POB 4400 FREDERICTON E3B 5A3 NB CANADA
Titolo Testata:
Geochimica et cosmochimica acta
fascicolo: 2, volume: 58, anno: 1994,
pagine: 717 - 733
SICI:
0016-7037(1994)58:2<717:MMPFOP>2.0.ZU;2-V
Fonte:
ISI
Lingua:
ENG
Soggetto:
RARE-EARTH ELEMENTS; ROCK-FORMING MINERALS; YOUNG VOLCANIC-ROCKS; LOW-CA PYROXENE; TRACE-ELEMENTS; ION-MICROPROBE; REFERENCE SAMPLES; LIQUID; REE; PHENOCRYSTS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
71
Recensione:
Indirizzi per estratti:
Citazione:
T. Dunn e C. Sen, "MINERAL MATRIX PARTITION-COEFFICIENTS FOR ORTHO-PYROXENE, PLAGIOCLASE, AND OLIVINE IN BASALTIC TO ANDESITIC SYSTEMS - A COMBINED ANALYTICALAND EXPERIMENTAL-STUDY/", Geochimica et cosmochimica acta, 58(2), 1994, pp. 717-733

Abstract

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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Documento generato il 11/07/20 alle ore 04:48:09