Partition of noble gases between olivine and basalt melt
作者： H Hiyagon , M Ozima
DOI: 10.1016/0016-7037(86)90258-9
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摘要: Abstract The distribution coefficients (Ki) of noble gases were determined for synthesized olivine-basalt melt pairs. Seven samples (BH-series) at 1370 ~ 1300°C under a one atmospheric pressure (~ 105 Pa) gas mixture, and four (HPP- HPG-series) 1360-1050°C high pressures (0.2–1.5 GPa). two different experiments gave consistent results with each other. Some BH-series olivine apparently contaminated gas-rich inclusions or the glass phase, effects such interferences on calculated evaluated. possible ranges thus obtained are: KHe ≲ 0.07, KNe = 0.006−0.08, KAr 0.05−0.15, KKr 0.15, KXe 0.3. These show remarkable features compared to solid element coefficients: are rather insensitive to, even positively correlated atomic size gases. striking contrast between partition that elements may be attributed electrical neutrality increasing electronic polarizability from He Xe.
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