Título:	P-T path determination using phase equilibria modelling with multiple fractionation of garnet in a metapelite
Autor(es):	Lembo Wuest, Carlos Iván Serra Varela, Samanta Verdecchia, Sebastián Murra, Juan Benítez, Manuela Palacio Baderramo, Gladis
Fecha de publicación:	2020
Es parte de:	Metamorphic Studies Group Research in Progress Meeting
Resumen:	Zoned garnets are considered useful to determine prograde metamorphic evolution, in which a fractionation of chemical components from whole-rock composition occurs. Thus, effective bulk composition (EBC) should change while garnet is growing to remove the essential components used for its nucleation. Therefore, a step-by-step estimate of the equilibrium volume is necessary to reconstruct the P-T path toward the metamorphic peak. In this work, we analyze a metamorphic P-Tpath for a garnet mica-schist from Sierra El Gigante (Argentina) using multiple fractionations of garnet in conjunction with P-T pseudosections and compositional isopleths based on chemical mineral analysis.
URI:	https://metamorphicstudiesgroup.wordpress.com/?fbclid=IwAR1WzeRvjhgjJGae3A-xbJzo9nx2GyXhXxI4DbO7SDzH8zbYPiBJIgJwUkg http://rid.unrn.edu.ar/handle/20.500.12049/5724
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