2012
DOI: 10.1016/j.precamres.2012.06.015
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Space–time relation of post-collisional granitic magmatism in Santa Catarina, southern Brazil: U–Pb LA-MC-ICP-MS zircon geochronology of coeval mafic–felsic magmatism related to the Major Gercino Shear Zone

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Cited by 69 publications
(44 citation statements)
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“…1). In southern Brazil, this set of translithospheric structures is designated the Southern Brazilian Shear Belt (SBSB) and its discontinuities are thought to have conditioned Neoproterozoic post-collisional magmatism Nardi, 1993, 2000;Florisbal et al, 2012) under transcurrent kinematics between 650 and 580 Ma.…”
Section: Geological Settingmentioning
confidence: 99%
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“…1). In southern Brazil, this set of translithospheric structures is designated the Southern Brazilian Shear Belt (SBSB) and its discontinuities are thought to have conditioned Neoproterozoic post-collisional magmatism Nardi, 1993, 2000;Florisbal et al, 2012) under transcurrent kinematics between 650 and 580 Ma.…”
Section: Geological Settingmentioning
confidence: 99%
“…All the samples were prepared by conventional procedures at LGI/UFRGS (Laborat orio de Geologia Isot opica/Universidade Federal do Rio Grande do Sul) and the details of zircon separation can be found in Chemale et al (2011Chemale et al ( , 2012. Zircon grains from another group of samples (TG-01S ¼ A2; TG-34A ¼ A2; TG-29A and TG-325A ¼ A3) were separated at CPGeo (Centro de Pesquisas Geocronol ogicas), University of São Paulo, and a detailed description of the method can be found in Florisbal et al (2012). All dated crystals were studied by back- All Pb ratios corrected for common Pb.…”
Section: Analytical Proceduresmentioning
confidence: 99%
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“…Nos granitos neoproterozoicos pós-colisionais de afinidade toleítica alto-K descritos por Florisbal et al (2012) no sul do Brasil, tais anomalias são nítidas.…”
Section: Quantificação Do Efeito Tétradeunclassified
“…Diversos estudos na área (Bitencourt e Nardi, 1993Florisbal, 2011;Peternell et al, 2010, entre outros) mostram que a tectônica controlou o posicionamento de magmas graníticos, gerando rochas fortemente foliadas e deformadas, sendo muitas vezes confundidas com rochas metamórficas. Florisbal et al (2012b) obtiveram idades de cristalização entre 625 e 609 Ma (U-Pb LA-ICP-MS em zircão) para granitoides sintectônicos às zonas de cisalhamento transcorrentes na área.…”
Section: Contexto Geológico Regionalunclassified