Migmatites [electronic resource] /

1 Introduction -- 1.1 Scope of the book -- 1.2 Definitions -- 1.3 Migmatites and granites -- 1.4 Melt-absent migmatization -- 1.5 Compositions of anatectic leucosomes -- 1.6 Textures and structures as possible indicators of melt presence -- 1.7 Estimation of P-T -aH2O conditions -- 1.8 The Granulite Facies -- 1.9 Mineral compositions in leucosome and melanosome: the plagioclase problem -- 1.10 Open and closed systems -- 1.11 Conclusions -- References -- 2 The significance of experimental studies for the formation of migmatites -- 2.1 Introduction -- 2.2 Experimental studies in the haplogranite system Qz-Or-Ab-H20 -- 2.3 Experimental studies in the tonalite system Qz-Ab-An-H2O -- 2.4 Experimental studies in the granite system Qz-Or-Ab-An-H2O -- 2.5 Plagioclase compositions: observations in nature, experimental findings and conclusions -- 2.6 Suggestions for future research -- References -- 3 Phase equilibria in partial melting of pelitic rocks -- 3.1 Introduction -- 3.2 Subsolidus phase equilibria and experimental data -- 3.3 Partial melting -- 3.4 Melting at PH2O =Ptotal -- 3.5 Melting at PH2O < Ptotal -- 3.6 Vapour-absent melting -- 3.7 Internal and external control of intensive variables -- 3.8 Paths through time and space -- 3.9 Separation of solid, liquid and vapour -- 3.10 Summary liquidus relations -- 3.11 Conclusions -- References -- 4 Mass balance in migmatites -- 4.1 Introduction -- 4.2 Baltimore Gneiss and Front Range migmatites -- 4.3 Mass-balance calculations: methods and assumptions -- 4.4 Mass-balance calculations: results -- 4.5 Littleton Formation migmatites -- 4.6 Discussion -- References -- 5 Textures -- 5.1 Introduction -- 5.2 Grain size -- 5.3 Textures attributed to crystallization from a melt -- 5.4 Grain shape -- 5.5 Grain orientation (petrofabric) -- 5.6 Grain contact relations -- 5.7 Conclusions -- References -- 6 Migmatite occurrences in New England -- 6.1 Introduction -- 6.2 Tectonic evolution of New England -- 6.3 Grenville massifs of western New England -- 6.4 Ordovician migmatites in the western high grade belt -- 6.5 Migmatites of the eastern Acadian metamorphic high -- 6.6 Avalonian terrains overprinted in the Alleghenian -- 6.7 Summary -- References -- 7 Migmatites in the Moines -- 7.1 Introduction -- 7.2 Early migmatites -- 7.3 Late migmatites -- 7.4 Sutherland migmatites -- 7.5 Conclusions -- References -- 8 Fluid inclusions in migmatites -- 8.1 Introduction -- 8.2 Fluid inclusions in migmatites of Bamble, Norway -- 8.3 Fluid inclusions in the Front Range migmatites -- 8.4 Possible melt inclusions in migmatites -- 8.5 Discussion -- References -- Index of authors cited.

Bibliographic Details

Main Authors:	Ashworth, J. R. editor., SpringerLink (Online service)
Format:	Texto biblioteca
Language:	eng
Published:	Boston, MA : Springer US, 1985
Subjects:	Science., Science, general.,
Online Access:	http://dx.doi.org/10.1007/978-1-4613-2347-1
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