Behavior of Pt and Pd compounds during metamorphism in the easternmost part of the Pana Intrusion, Kola Peninsula

被引：0
|
作者：
V. K. Karzhavin
Z. M. Voloshina
机构：
[1] Russian Academy of Sciences,Geological Institute, Kola Research Center
来源：
Geochemistry International | 2011年 / 49卷
关键词：
metamorphism; pressure; temperature; platinum; palladium; sulfides; selenides; tellurides; fluid;
D O I：
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中图分类号：
学科分类号：
摘要：
The role of metamorphic processes (including postmagmatic ones) in the origin of mineral assemblages is estimated for the layered unit (LU) and barren rocks (BR) in the Pana Intrusion. Numerical simulations indicate that metamorphic processes simultaneously modified the mineralogical composition of the rocks, Pt and Pd compounds, and the fluids. The process resulted in systematic changes in the mineralogical and fluid composition and is realistically reproduced by physicochemical numerical simulations. Our results make it possible to estimate the effect of P-T parameters on the composition of metallic Pt and Pd and their sulfides, selenides, and tellurides and the composition of the fluid phase during the transformations and localization of the PGE ore mineralization.
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页码：1168 / 1176
页数：8
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