EXPERIMENTAL DETERMINATION FO TRACE-ELEMENT PARTITIONING BETWEEN PARGASITE AND A SYNTHETIC HYDROUS ANDESITIC MELT
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dc.contributor.author | Brenan J.M. | |
dc.contributor.author | Shaw H.F. | |
dc.contributor.author | Ryerson F.J. | |
dc.contributor.author | Phinney D.L. | |
dc.date.accessioned | 2020-11-21T02:35:04Z | |
dc.date.available | 2020-11-21T02:35:04Z | |
dc.date.issued | 1996 | |
dc.identifier | https://elibrary.ru/item.asp?id=487561 | |
dc.identifier.citation | Earth and Planetary Science Letters, 1996, , 1, 287-288 | |
dc.identifier.issn | 0012-821X | |
dc.identifier.uri | https://repository.geologyscience.ru/handle/123456789/19170 | |
dc.description.abstract | In order to more fully establish a basis for quantifying the role of amphibole in trace-element fractionation processes, we have measured pargasite/silicate melt partitioning of a variety of trace elements (Rb, Ba, Nb, Ta, Hf, Zr, Ce, Nd, Sm, Yb), including the first published values for U, Th and Pb. Experiments conducted at 1000°C and 1.5 GPa yielded large crystals free of compositional zoning. Partition coefficients were found to be constant at total concentrations ranging from ∼ 1 to > 100 ppm, indicating Henry's Law is oparative over this interval. Comparison of partition coefficients measured in this study with previous determinations yields good agreement for similar compositions at comparable pressure and temperature. | |
dc.title | EXPERIMENTAL DETERMINATION FO TRACE-ELEMENT PARTITIONING BETWEEN PARGASITE AND A SYNTHETIC HYDROUS ANDESITIC MELT | |
dc.type | Статья |
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