DIFFUSION MODELLING OF METAMORPHIC LAYERED CORONAS WITH STABILITY CRITERION AND CONSIDERATION OF AFFINITY
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dc.contributor.author | Ashworth J.R. | |
dc.contributor.author | Sheplev V.S. | |
dc.date.accessioned | 2020-12-23T08:29:02Z | |
dc.date.available | 2020-12-23T08:29:02Z | |
dc.date.issued | 1997 | |
dc.identifier | https://elibrary.ru/item.asp?id=13254432 | |
dc.identifier.citation | Geochimica et Cosmochimica Acta, 1997, , 17, 3671-3689 | |
dc.identifier.issn | 0016-7037 | |
dc.identifier.uri | https://repository.geologyscience.ru/handle/123456789/21133 | |
dc.description.abstract | Layered coronas between two reactant minerals can, in many cases, be attributed to diffusion-controlled growth with local equilibrium. This paper clarifies and unifies the previous approaches of various authors to the simplest form of modelling, which uses no assumed values for thermochemical quantities. A realistic overall reaction must be estimated from measured overall proportions of minerals and their major element compositions. Modelling is not restricted to a particular number of components S, relative to the number of phases Φ. IfΦ > S + 1, the overall reaction is a combination of simultaneous reactions. The stepwise method, solving for the local reaction at each boundary in turn, is extended to allow for recurrence of a mineral (its presence in two parts of the layer structure separated by a gap). The equations are also given in matrix form. | |
dc.title | DIFFUSION MODELLING OF METAMORPHIC LAYERED CORONAS WITH STABILITY CRITERION AND CONSIDERATION OF AFFINITY | |
dc.type | Статья |
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