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Thermochronological evolution of auriferous zone, Pitangui region, Quadrilatero Ferrífero, Minas Gerais

Grant number: 09/08237-4
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): August 01, 2009
Effective date (End): July 31, 2010
Field of knowledge:Physical Sciences and Mathematics - Geosciences - Geology
Principal researcher:Colombo Celso Gaeta Tassinari
Grantee:Ana Paula Chiquini
Home Institution: Instituto de Geociências (IGC). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Associated research grant:05/58688-1 - South America in the context of supercontinents: fusion and fission, AP.TEM

Abstract

This project deals with to characterize the thermochronological evolution of the metamorphic terrain located at Pitangui region, Quadrilatero Ferrífero, Minas Gerais. In this work petrographic and geochronological studies will be applied in order to define the thermochronological evolution curves, the regional cooling rates and the relation between the metamorphic process and gold mineralizations which occurs in the same area. The geochronological work consists of K-Ar, Rb-Sr e Sm-Nd techniques applied to mineral concentrated, like biotite, garnet and plagioclase as well as whole rock samples.