Sumário
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Preface
Wilson Teixeira
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I-II
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Mafic dykes: relationships among geometry, internal fractures and fissural tectonic patterns
L C. Correa-Gomes, M.N. de Souza, D.R. Correa, I.R. Silva, A.C.S. Falcáo, M.L.P. Cobucci, K. J. Jshioka, A.R. Espineira, J.W.O. Moraes
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01-08
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Chilled and frozen margins: evidence of thermal contrast in mafic dykes and their significance for magmatic consolidation
LC. Corrêa-Gomes, M.N. Souza, D.R. Correia
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09-15
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Petrogenesis of middle proterozoic mafic dykes in the São Francisco Craton, Brazil: implications for a fossil mantle plume beneath the Northern Espinhaço Range
E.P. de Oliveira
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17-25
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Proterozoic dykes of Salvador and Ilhéus-Olivença areas: a geological geoghemical comparison
C. Moraes-Brito, G. Bellieni, P. Comin-Chiaramontí, AJ. Melfí, E.M. Piccirillo
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28-34
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Petrological and geochronological aspects of the precambrian mafic dyke swarm of Uruguay
J. Bossi, N. Campal, L. Civetta, G. Demarchi, V.A.V. Girardi, M. Mazzucchelli, E.M. Piccirillo, G. Rivalenti, S. Sinigoi, W. Teixeira, A.R. Fragoso-Cesar
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36-42
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Tectonic control of mesozoic mafic and alkaline bodies in the Amazon Craton (Brazil)
M.I.C. Lima, P.E.L. Bezerra
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44-48
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The mafic dike swarm of Uauá (Brazil): geological and petrographical aspects
L.R. Bastos Leal, A.B. Menezes
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49-53
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Paleomagnetism of the Para de Minas Mafic dike swarm, west of Belo Horizonte, MG, Brazil
M.S. D'Agrella-Filho, I.G. Pacca
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55-58
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Petrography and geochemistry of dykes from the northern Bonfim metamorphic complex, Minas Gerais, Brazil
M.A. Carneiro
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59-62
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Mafic dykes intrusive in the São João del Rei group, Minas Gerais, Brazil
C.M. Noce, J. Karfunkel
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63-66
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Petrology and chemistry of basic rocks from the north: central region of the Mantiqueira Province, Brazil
J.M. Correia Neves, H.A. Horn
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67-71
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Paleomagnetism of the Ceará-Mirim dyke swarm, northeastern Brazil
M. Ernesto, M.H. Furtado, J.W.P. Macedo, G. Martins
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73-76
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Late cretaceous-early tertiary ultrabasic magmatism in the western part of the state of Rio de Janeiro, Brazil
C. Riccomini, M.S. Melo, J.M.V. Coutinho
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77-84
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Paleomagnetism of the dykes of the Ponta Grossa arch
M.I.B. Raposo, M. Ernesto
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85-89
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Geomorphological and pedological aspects of epimetamorphic basic intrusive rocks near Lavras , Minas Gerais, Brazil
G.C. Rocha
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91-93
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Excursion guide: proterozoic dykes of the bom sucesso - Lavras region (Minas Gerais, Brazil)
J.J. Quéméneur
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97-103
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