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Articles

The mechanism of Hercynite formation in the contact aureole of Mashhad Granite

Writers : Pour Mohammad, A.; Moazen Zadeh, M.; Homam, S. M.; Ghaemi, F.
Refference : The Forth National Geological Conference of Payam Noor University(PNU)
Publishing Year : 1389

Abstract :

The mechanism of Hercynite formation has been considered in the contact aureole of Mashhad Granite. According to textural evidence, Hercynite produced as a result of contact metamorphism. Hercynite formed in the low fugacity condition and Alm, And and Hc are formed by Staurolite breakdown. Temperature range for this reaction considered to be from 550 to 875 °C.


Subject List : Metamorphism

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