Mineral chemistry and thermobarometry of the staurolite-chloritoid schists from Poshtuk, NW Iran

The Poshtuk metapelitic rocks in northwestern Iran underwent two main phases of regional and contact metamorphism. Microstructures, textural features and field relations indicate that these rocks underwent a polymetamorphic history. The dominant metamorphic assemblage of the metapelites is garnet, s...

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Veröffentlicht in:	Geological magazine 2012-11, Vol.149 (6), p.1077-1088
Hauptverfasser:	SAKI, ADEL, MOAZZEN, MOHSSEN, OBERHÄNSLI, ROLAND
Format:	Artikel
Sprache:	eng
Schlagworte:	Alpine Orogeny Asia Cenozoic chemical composition chloritoid contact metamorphism crystal chemistry Eocene Eurasian Plate Geochemistry geologic barometry geologic thermometry Heat flow High temperature high-grade metamorphism igneous and metamorphic rocks Iran low pressure Metamorphic rocks Metamorphism metapelite metasedimentary rocks Middle East mineral assemblages mineral composition Minerals nesosilicates northwestern Iran Original Articles Orogeny orthosilicates P-T conditions Paleoceanography Petrology plate tectonics Poshtuk Iran pressure rock, sediment, soil Rocks schists silicates staurolite temperature Tertiary textures
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