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ArticlesEstimating of metamorphism grade in Sنarn in metamorphic aureole Mashhads plutonWriters : Fazele Valipure,Mohammad Ebrahim؛Sharifi,Ehsan؛Ghanavati,Mahdi؛Bashiri,Amir؛Sukhtanlu,Hamed Refference : Proceeding Of The First Applied Geological Congress Of Iran Publishing Year : 1386
Abstract : Mashhads Skarn pluton with small extention located in Mashhad, Khorasan province. Protolithe of this pluton are carbonate rocks. It has been existing because of transfusion of Mashhads Tonalite that change it to the Skarn during metasomatose metamorphism. Field study and petrographic observations show that this pluton has been fromed in high to low metamorphic terms. Base on mineralogy composition, it divides to Garnet – Wollastonite and Garnet – Pyroxene zones. The above studies show that there are three facies, consist of Pyroxene Hornfeles, Hornblend Hornfeles and?? Albite – Epidote Hornfeles
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