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Experimental determination of partition coefficients of ten rare earth elements and barium between clinopyroxene and liquid in the synthetic silicate system at 20 kilobar pressure
Akimasa Masuda,Ikuo Kushiro +1 more
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In this article, two experiments were carried out at 20 kb pressure for the measurement of partition coefficients of ten lanthanides and barium between diopside clinopyroxene and liquid in the synthetic system of enstatite-silica-H2O.Abstract:
Two experiments were carried out at 20 kb pressure for the measurement of partition coefficients of ten lanthanides and barium between diopside clinopyroxene and liquid in the synthetic system diopside-enstatite-silica-H2O. Starting materials are glass of two different compositions CaMgSi2O6 56, MgSiO3 14, SiO2 30 weight % and CaMgSi2O6 80, MgSiO3 20 weight %.read more
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Petrogenetic implications of Ti, Zr, Y, and Nb variations in volcanic rocks
TL;DR: In this paper, a table of mineral-liquid distribution coefficients for Ti, Zr, Y, and Nb for basic, intermediate and acid melt compositions were used to interpret variations of these elements, first in basalts and second during fractional crystallization from basic to acid magmas.
Journal ArticleDOI
Experimental cpx/melt partitioning of 24 trace elements
Stanley R. Hart,Todd Dunn +1 more
TL;DR: In this paper, the ion probe for 24 trace elements at natural levels in an alkali basalt experimentally equilibrated at 1,380°C and 3 GPa.
Journal ArticleDOI
Quantitative models of trace element behavior in magmatic processes
Claude J. Allègre,J. F. Minster +1 more
TL;DR: In this paper, the present status of the utilization of trace elements in igneous processes, which acknowledges the deep-seated conviction of Paul Gast that the trace element approach was at least as powerful as experimental petrology to solve the major petrological problems.
Journal ArticleDOI
A review of experimental studies of crystal/liquid trace element partitioning
TL;DR: Experimental techniques for examining trace element behavior are reviewed in this paper, and applications of these techniques are described for a variety of partition coefficients including: olivine/liquid, subcalcic pyroxene/ liquid, calcic pyrosene/liquid and perovskite/liquid.
Journal ArticleDOI
Partition of Sr, Ba, Ca, Y, Eu/2+/, EU/3+/, and other REE between plagioclase feldspar and magmatic liquid - An experimental study
Michael J. Drake,D. F. Weill +1 more
TL;DR: In this article, plagioclase feldspar/magmatic liquid partition coefficients were determined experimentally at 1 atm total pressure in the temperature range 1150-1400°C.
References
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Partition coefficients of rare-earth elements between igneous matrix material and rock-forming mineral phenocrysts—II
TL;DR: In this paper, solid-liquid partition coefficients between phenocrysts and the host lavas have been measured for rare-earth elements by an isotope dilution technique and the consistency of much of the data suggests that most of the phenocryst crystallized under equilibrium, or quasi-equilibrium, conditions.
Journal ArticleDOI
Trace element partition between two pyroxenes and the host lava
TL;DR: Partition coefficients for +1, +2, +3 and +4 valent trace ions between alkaline olivine basalt lava and the coexisting ortho- and clinopyroxene phenocrysts from Takashima, North Kyushu, Japan, have been determined by neutron activation analysis as mentioned in this paper.
Journal ArticleDOI
Abundances of the fourteen rare-earth elements, scandium, and yttrium in meteoritic and terrestrial matter
TL;DR: In this article, the isotopic ratios of fourteen rare-earth elements (REE) (Pm excluded) plus Sc and Y were determined by neutron activation analysis in nineteen meteorites and in three terrestrial specimens.
Journal ArticleDOI
Polymorphism of the rare earth sesquioxides1
I. Warshaw,Rustum Roy +1 more
TL;DR: The rare earth sesquioxides of the largest ions, La, Ce, and Pr, exhibit the A-type structure, Nd2O3 exists both as A- and C-type oxides.
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The coprecipitation of cations with CaCO3-III. The coprecipitation of Zn2+ with calcite between 50 and 250° C
TL;DR: In this article, the distribution of Sr+2 between solution and precipitate in calcite and aragonite has been measured in precipitates prepared by both the CO2 introduction and CO2 release technique.
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