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Metamorphism and partial melting in ancient orogens II

Grant number: 16/22627-3
Support type:Regular Research Grants
Duration: February 01, 2017 - July 31, 2019
Field of knowledge:Physical Sciences and Mathematics - Geosciences - Geology
Principal researcher:Renato de Moraes
Grantee:Renato de Moraes
Home Institution: Instituto de Geociências (IGC). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Assoc. researchers: Edgar Batista de Medeiros Junior ; Frederico Meira Faleiros ; Gergely Andres Julio Szabó ; Gláucia Nascimento Queiroga ; Ian Christopher William Fitzsimons ; Lucelene Martins

Abstract

This research project aims to investigate the tectonic evolution of ancient orogens using the study of metamorphic rocks. Metamorphism and partial melting are direct consequences of the thermal relaxation following the collisional stage in orogens. The shape of the P-T paths, the partial melting reactions and formed parageneses are reflections of tectonic history that the rock underwent, so with the characterization of textures, type of metamorphism and partial melting, determination and calculation intensive variables you can access and infer part of tectonic history of the orogen. Four model regions are chosen for this research, Southern Brasilia Orogen, the Itatins Complex, the Petunia Complex, and part of Araçuaí Origen and its infrastructure. In all units metamorphic rocks will be investigated, which conditions may vary between the green schist and granulite facies. They will be investigated to the determination of the P-T conditions of metamorphic peak, metamorphic paths, partial melting process, textures of mineral growth, behavior of trace elements in minerals in various textural contexts with dating methods using in situ and thermodynamic modeling. With the evolution of the project, it is intended to contribute to the knowledge of the tectonic evolution using for it, knowledge raised with understanding of how occurred the metamorphism and partial melting. (AU)

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Scientific publications (9)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
FUMES, REGIANE ANDRADE; LUVIZOTTO, GEORGE LUIZ; MORAES, RENATO; LANARI, PIERRE; VALERIANO, CLAUDIO DE MORISSON; ZACK, THOMAS; CADDICK, MARK J.; SIMOES, LUIZ SERGIO AMARANTE. etrochronology of high-pressure granulite facies rocks from Southern Brasilia Orogen, SE Brazil: Combining quantitative compositional mapping, single-element thermometry and geochronolog. JOURNAL OF METAMORPHIC GEOLOGY, v. 40, n. 3, . (15/05230-0, 16/22627-3)
SANTOS, CAIO A.; LUVIZOTTO, GEORGE L.; MORAES, RENATO; FUMES, REGIANE A.; ZACK, THOMAS. Metamorphism of retroeclogites from the Passos Nappe, Southern Brasilia Orogen. Journal of South American Earth Sciences, v. 112, n. 2, . (16/22627-3, 15/05230-0, 13/04007-0)
MOTTA, RAFAEL G.; FITZSIMONS, IAN C. W.; MORAES, RENATO; JOHNSON, TIM E.; SCHUINDT, SHEILA; BENETTI, BEATRIZ Y.. Recovering P-T-t paths from ultra-high temperature (UHT) felsic orthogneiss: An example from the Southern Brasilia Orogen, Brazil. Precambrian Research, v. 359, . (15/22355-0, 13/04007-0, 16/10276-1, 16/22627-3)
SANTOS, CAIO A.; WHITE, RICHARD W.; MORAES, RENATO; SZABO, GERGELY A. J.. The gabbro to amphibolite transition along a hydration front. JOURNAL OF METAMORPHIC GEOLOGY, v. 39, n. 4, . (13/04007-0, 16/22627-3)
SANTOS, CAIO ARTHUR; MORAES, RENATO; SZABO, GERGELY A. J.. A comparison between phase diagram modelling of metamafic rocks and experimental and independent thermobarometric data. LITHOS, v. 340, p. 108-123, . (16/22627-3, 13/04007-0)
YANNE DA SILVA QUEIROZ; GLÁUCIA QUEIROGA; RENATO DE MORAES; VICTOR MATHEUS TAVARES FERNANDES; EDGAR MEDEIROS-JÚNIOR; HANNA JORDT-EVANGELISTA; BERNHARD SCHULZ; JULIA SCHMIEDEL; MAXIMILIANO MARTINS; MARCO PAULO DE CASTRO; et al. Pseudosection modeling and U-Pb geochronology on Piranga schists: role of Brasiliano Orogeny in the Southeastern Quadrilátero Ferrífero, Minas Gerais, Brazil. BRAZILIAN JOURNAL OF GEOLOGY, v. 49, n. 3, p. -, . (16/22627-3)
JULIAO, EDUARDO LOPES; MORAES, RENATO; FALEIROS, FREDERICO MEIRA; DA MOTTA, RAFAEL GONCALVES; QUIROZ VALLE, FRANCY ROXANA; LEAO LOPES, LEONARDO BRENGUERE. The role of deformation-assisted by water influx on partial melting of a granite protolith, and its role in the evolution of southwestern Sao Francisco Craton margin, Brazil. Journal of South American Earth Sciences, v. 112, n. 1, . (18/10012-0, 16/22627-3, 13/04007-0)

Please report errors in scientific publications list by writing to: cdi@fapesp.br.