Geologia USP. Série Científica, 2021 O Cinturão Salvador-Esplanada-Boquim se localiza na porção nordeste do Cráton do São Francisco, nos estados da Bahia e do Sergipe, apresentando duas faixas litológicas de rochas metamórficas, denominadas Complexo Gnáissico-Migmatítico e Complexo ...
Marcus Vinicius Costa Almeida Junior +3 more
doaj +2 more sources
O enxame de diques de anfibolito do Cráton São Francisco meridional
Brazilian Journal of GeologyResumo: Em níveis crustais mesozonais do Cráton São Francisco meridional, diques máficos datados em 2,19 Ga se constituíram em resposta à contração para NW ocorrida durante a Orogenia Transamazônica. Neste evento, o magma toleítico se alojou, cristalizou
Alexandre de Oliveira Chaves
doaj +2 more sources
Geophysical Monograph Series, Page 1-26., 2021 Exploring the links between Large Igneous Provinces and dramatic environmental impact
An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Richard E. Ernst +8 more
wiley +3 more sources
Geophysical Monograph Series, Page 137-165., 2020 This book is Open Access. A digital copy can be downloaded for free from Wiley Online Library.
Explores the behavior of carbon in minerals, melts, and fluids under extreme conditions
Carbon trapped in diamonds and carbonate-bearing rocks in subduction zones are examples of the continuing exchange of substantial carbon ...
Konstantin Litasov +3 more
wiley +1 more source
Planalto Paracatu-Urucuia: um compartimento morfoestrutural na borda do Cráton Do São Francisco [PDF]
, 2017 Este trabalho enseja a revisão conceitual da geomorfologia da bacia do Rio São Francisco, no noroeste de Minas Gerais, recorrendo à proposição de uma nova abordagem do relevo através do exemplo do Planalto Paracatu-Urucuia.
Bragança, Mário Teixeira Rodrigues +1 more
core +1 more source
Anais da Academia Brasileira de Ciências, 2006 The Paramirim aulacogen, hosted in the northern part of the São Francisco craton, corresponds to two superimposed and partially inverted rifts of Paleo and Neoproterozoic ages.
Simone C.P. Cruz, Fernando F. Alkmim
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Anais da Academia Brasileira de Ciências, 2008 Structural analysis carried out on a segment of the Neoproterozoic Ribeira Belt, southeastern Brazil, show that it represents part of the transpressive dextral orogen related to the Central Mantiqueira Province.
Tiago R. Karniol +2 more
doaj +1 more source
Journal of the Geological Survey of Brazil, 2020 This study comprises a field investigation of a NE-SW geological transect along the Eastern Borborema Province in NE Brazil. The transect covered distinct geological domains that differ in a number of aspects, being bounded by shear zones.
Haroldo Monteiro Lima +3 more
doaj +1 more source
Anais da Academia Brasileira de Ciências, 2003 Scaled sandbox models are used to simulate the development of ´basement´-controlled, salients. We investigate the controlling factors on the development of closed curvatures in map-view, considering constant both the sand pack thickness and the space ...
Caroline J. S. Gomes +2 more
doaj +1 more source
Geologia USP. Série Científica, 2012 As relações litoestratigráficas entre os grupos Chapada Diamantina e Bambuí/Una foram estabelecidas praticamente com os trabalhos de J. C. Branner, há cerca de um século.
Benjamim Bley de Brito Neves +2 more
doaj +1 more source