Is the crucible reproducible? Reconciling melting experiments with thermodynamic calculations
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Experimental studies and thermodynamic modelling have advanced our understanding of partial melting in the crust and have provided a frame-work for the interpretation of migmatites, residual granulites and granites. Each approach has advantages and pitfalls, and each is more appropriate than the other for investigating particular aspects of the melting process. A comparison of these two approaches may be useful because, together, they potentially give more information. A comparison of a small number of experiments with model calculations using equivalent bulk compositions shows important consistencies between the results, especially regarding the overall topologies of key melting equilibria. Despite this, several significant differences between the two approaches remain, though the sources of these differences are difficult to determine.
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Korhonen, Fawna; Saito, S.; Brown, M.; Siddoway, C. (2010)The Fosdick migmatite–granite complex in West Antarctica records evidence for crustal melting during two periods of tectonism along the East Gondwana margin. Initial high-temperature metamorphism in the Devonian–Carboniferous ...
Schultze, D.; Jourdan, Fred; Hecht, L.; Reimold, W.; Schmitt, R. (2016)Impact melt rocks from the 1.9 km diameter, simple bowl-shaped Tenoumer impact crater in Mauritania have been analyzed chemically and petrologically. They are heterogeneous and can be subdivided into three types based on ...
Migmatites in the Ivrea Zone (NW Italy): constraints on partial melting and melt loss in metasedimentary rocks from Val Strona di OmegnaRedler, C.; White, R.; Johnson, Tim (2013)The mid to lower crustal metamorphic field gradient through amphibolite and granulite facies rocks in the Ivrea Zone offers the potential to study partial melting and melt loss in the crust. Metapelitic rocks in Val Strona ...