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Simulation of metamorphism and fluid regime in the mineralized unit of the Pana Massif in relation to its PGE ore mineralization

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Abstract

This paper presents materials on one of the units with PGE ore mineralization in the Pana Massif: the results of a detailed petrographic study and microprobe analyses of silicate and sulfide minerals and of the examination of mineral assemblages, typomorphic features of minerals, their crystallization succession and P–T conditions of this crystallization in the mineralized unit and the host mineralized and barren rocks, and the distribution of the fluid phase in them. Metamorphic processes that accompanied the development of the sulfide and PGE mineralization zones are analyzed, and it is established that the metamorphic evolution was associated with changes in the mineralogy of the rock and the composition of fluid in it. This process was of a unidirectional and systematic character and can be realistically reproduced in physicochemical models. The results of our research make it possible to assay the effect of P–T parameters and the fluid regime on the component composition of the solid phases and volatile components during the origin and localization of the PGE ore mineralization.

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Authors and Affiliations

  1. Geological Institute, Kola Research Center, Russian Academy of Sciences, ul. Fersmana 14, Apatity, Murmansk oblast, 184209, Russia

    V. K. Karzhavin & Z. M. Voloshina

Authors
  1. V. K. Karzhavin
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  2. Z. M. Voloshina
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Original Russian Text © V.K. Karzhavin, Z.M. Voloshina, 2006, published in Geokhimiya, 2006, No. 5, pp. 522–531.

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Karzhavin, V.K., Voloshina, Z.M. Simulation of metamorphism and fluid regime in the mineralized unit of the Pana Massif in relation to its PGE ore mineralization. Geochem. Int. 44, 475–484 (2006). https://doi.org/10.1134/S0016702906050041

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  • DOI: https://doi.org/10.1134/S0016702906050041

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