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Metamorphism and melting in high-P conditions: metapelites of Andrelândia Sequence in the Três Pontas Region, MG

Grant number: 10/00302-9
Support Opportunities:Scholarships in Brazil - Scientific Initiation
Effective date (Start): June 01, 2010
Effective date (End): May 31, 2011
Field of knowledge:Physical Sciences and Mathematics - Geosciences - Geology
Principal Investigator:Renato de Moraes
Grantee:Samuel Furquim Junior
Host Institution: Instituto de Geociências (IGC). Universidade de São Paulo (USP). São Paulo , SP, Brazil

Abstract

The main subject of this proposal is to investigate the relationship between metamorphism, melting and deformation of rocks of the Andrelândia Sequence, in the region of Três Pontas, MG. Rocks of Varginha-Três Pontas and Carmo da Cachoeira nappes, the last of at the bottom of rock pile, are the ones to be investigated. Filed work, petrography, thermobarometry and in situ dating of monazite with Electron Microprobe are the steps to be followed. Field work will be done in March and July, 2010, for collecting structural data, samples and characterization of units. Some samples and mineral chemistry data are already available, but more mineral chemistry data will be collected, which in association with monazite dating will allow the establishment of P-T-t paths of study samples and the relationship between metamorphism, melting and deformation.

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