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Fluid flow, deformation and tectonic significance of regional shear zones from the southern Ribeira Belt


This project aims to investigate the transcurrent shear system that cut the southern portion of the Ribeira Belt (SE Brazil) by means of three main approaches: (a) fluid flow quantification and identification of related seismically activated process by means of the study of fluid inclusions (petrography, microthermometry, laser Raman spectroscopy and trace element analysis by LA-Q-ICP-MS) present in sintectonic hydrothermal veins; (b) quantification of the deformational and thermal history of the regional shear zones by means of structural analysis and qualitative and quantitative microstructural analyses involving the geometry of structures in the field, correlation between optical microstructures and deformation mechanisms and quantifications of textures and crystallographic preferred orientation using the MEV-EBSD system; (c) investigation of the tectonic significance of the regional shear zones by means of determination of thermochronological ages using isotopic methods with high to low closure temperatures (U-Pb in zircon and monazite, Ar-Ar in hornblende, muscovite and biotite) and integration and complementation of available petrochronological data and detrital zircon U-Pb ages of tectonostratigraphic terranes bounded by regional shear zones, which will provide data to evaluate if each terrane had a distinct evolutive history relative to neighboring terranes and were juxtaposed along suture zones or post-orogenic collage lateral scape zones, or if they represent autochthonous or para-autochthonous units. (AU)

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Scientific publications (11)
(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)
PAULA-SANTOS, GUSTAVO MACEDO; DA CRUZ CAMPANHA, GINALDO ADEMAR; FALEIROS, FREDERICO MEIRA; BEZERRA MAIA HOLLANDA, MARIA HELENA; DE OLIVEIRA RODRIGUES, SERGIO WILIANS. Carbon isotope variations of high magnitude recorded in carbonate rocks from the Stenian-Tonian Lajeado Group, Southeast Brazil. Journal of South American Earth Sciences, v. 109, . (17/00399-1, 18/10012-0)
FORERO-ORTEGA, A. J.; CAMPANHA, G. A. C.; FALEIROS, F. M.; YOGI, M. T. A. G.. Pure shear-dominated transpression and vertical extrusion in a strike-slip fault splay from the Itapirapua Shear Zone, Ribeira Belt, Brazil. TECTONOPHYSICS, v. 786, . (15/04487-7, 18/10012-0)
RICARDO, BRUNA S.; FALEIROS, FREDERICO M.; DE MORAES, RENATO; SIGA JUNIOR, JR., OSWALDO; CAMPANHA, GINALDO A. C.. Tectonic implications of juxtaposed high- and low-pressure metamorphic field gradient rocks in the Turvo-Cajati Formation, Curitiba Terrane, Ribeira Belt, Brazil. Precambrian Research, v. 345, . (18/01572-1, 15/04487-7, 18/10012-0, 16/12986-6)
DE OLIVEIRA RODRIGUES, SERGIO WILIANS; CACADOR MARTINS-FERREIRA, MARCO ANTONIO; FALEIROS, FREDERICO MEIRA; CAMPOS NETO, MARIO DA COSTA; AKEMI GUIMARAES YOGI, MARIA THEREZA. Deformation conditions and quartz c-axis fabric development along nappe boundaries: The Andrelandia Nappe System, Southern Brasilia Orogen (Brazil). TECTONOPHYSICS, v. 766, p. 283-301, . (18/10012-0)
PATIAS, D.; CURY, L. F.; FALEIROS, F. M.; CALDERON, M.; SIGA JR, S.; THEYE, T.. Late neoproterozoic P-T-t paths of syn- and post-collisional metamorphism in the Paranagua Terrane, Ribeira Belt (Brazil): implications for West Gondwana assembly. INTERNATIONAL GEOLOGY REVIEW, v. 63, n. 18, p. 2314-2337, . (18/10012-0)
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)
CABRITA, DINA I. G.; FALEIROS, FREDERICO M.; CAWOOD, PETER A.; CAMPANHA, GINALDO A. C.; YOGI, MARIA T. A. G.; WAINWRIGHT, ASHLEA N.; RAVEGGI, MASSIMO; ALMEIDA, VIDYA V.. Petrochronological constraints and tectonic implications of Tonian metamorphism in the Embu Complex, Ribeira Belt, Brazil. Precambrian Research, v. 363, . (15/26645-3, 19/10457-4, 18/10012-0)
RIBEIRO, V, B.; MULDER, J. A.; FALEIROS, F. M.; KIRKLAND, C. L.; CAWOOD, P. A.; O'SULLIVAN, G.; CAMPANHA, G. A. C.; FINCH, M. A.; WEINBERG, R. F.; NEBEL, O.. Using apatite to resolve the age and protoliths of mid-crustal shear zones: A case study from the Taxaquara Shear Zone, SE Brazil. LITHOS, v. 378, . (18/00320-9, 18/10012-0, 15/03737-0, 18/16307-1)
RIBEIRO, V, B.; LAGOEIRO, L.; FALEIROS, F. M.; HUNTER, N. J. R.; QUEIROGA, G.; RAVEGGI, M.; CAWOOD, P. A.; FINCH, M.; CAMPANHA, G. A. C.. Strain localization and fluid-assisted deformation in apatite and its influence on trace elements and U-Pb systematics. Earth and Planetary Science Letters, v. 545, . (18/10012-0, 18/00320-9)
MALTA, ISAAC S.; FALEIROS, FREDERICO M.; MONTEIRO, LENA V. S.; ANDRADE, MARCELO B.; COLDEBELLA, BRUNA; ESTEVES, MELINA C. B.. P-T-fluid-deformation regime of the Ediacaran Serra do Cavalo Magro orogenic gold deposit, Ribeira Belt, Brazil. ORE GEOLOGY REVIEWS, v. 120, . (15/04487-7, 16/11584-1, 18/10012-0)
RIBEIRO, B. V.; FALEIROS, F. M.; CAMPANHA, G. A. C.; LAGOEIRO, L.; WEINBERG, R. F.; HUNTER, N. J. R.. Kinematics, nature of deformation and tectonic setting of the Taxaquara Shear Zone, a major transpressional zone of the Ribeira Belt (SE Brazil). TECTONOPHYSICS, v. 751, p. 83-108, . (15/04487-7, 18/00320-9, 18/10012-0, 17/08919-4, 16/22051-4)

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