Information - TS7.5 Migmatites and granites: their spacial, temporal and causal relationships
Event Information
The session will focus on various aspects of migmatization from small scale effects such as migmatites in contact aureoles and their meaning for pluton emplacement to large scale anatectic areas and their impact on the rheology of the continental crust. Moreover, the discrimination of migmatites (in particular diatexites) from granites in high
grade metamorphic terrannes is often very difficult. Therefore we also welcome presentations about petrographic, geochemical etc. criteria to distinguish diatexites from real granites. Focus questions are: a) How much melt in a rock volume is necessary for melt segregation and magma ascent? b) How does melt percolate in migmatites? c) Do diatexites remain at the melting spot or do they travel through the crust, and if yes are they then still migmatites or granites?
Preliminary List of Solicited Speakers
Co-Sponsorship
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