Results 91 to 100 of about 6,627 (195)
O segmento oeste da Serra do Curral, Quadrilátero Ferrífero, representa a exposição parcial de um sinclinal vergente para NNW - Sinclinal Piedade. As dobras parasíticas dessa estrutura regional foram denominadas B1A e estão redobradas por dobras B1B ...
Julio Carlos Destro Sanglard +4 more
doaj
The Glória quartz-monzodiorite, one of the mafic plutons of the Paleoproterozoic Mineiro belt, is intrusive into banded gneisses, amphibolites, schists and phyllites of the Rio das Mortes greenstone belt, in the southern portion of the São Francisco ...
Ciro A. Ávila +6 more
doaj +1 more source
Nicotianagandarela (Solanaceae), a new species of 'tobacco' highly endangered from the Quadrilátero Ferrífero in Brazil. [PDF]
Augsten M +4 more
europepmc +1 more source
The tailings dam failure of 5 November 2015 in SE Brazil and its preceding seismic sequence [PDF]
The collapse of a mine tailings dam and subsequent flood in SE Brazil on 5 November 2015 was preceded by a small-magnitude seismic sequence. In this report, we explore the spatiotemporal associations between the seismic events and the accident and ...
Assumpção M. +17 more
core +1 more source
El Quadrilátero Ferrífero es una región de 7.500 km ² localizada en la provincia brasileña de Minas Gerais, principal zona productora de mineral de hierro en Brasil, con una economía industrializada, cuyos paisajes contemporáneos revelan un proceso de ...
Jeanne Cristina Menezes Crespo
doaj
Oito isolados de fungos micorrízicos rizoctonióides foram obtidos do sistema radicular de orquídeas neotropicais, a saber: Bulbophyllum weddelii (Lindl.) Rchb. f., Epidendrum dendrobioides Thunb., Maxillaria acicularis Herb.
Ricardo Eustáquio Nogueira +4 more
doaj +1 more source
Alteração Hidrotermal em Zona de Cisalhamento Associada ao Lineamento Congonhas, Sul do Quadrilátero Ferrífero, Minas Gerais [PDF]
O Lineamento Congonhas hospeda lavras inativas de ouro que datam Século XVIII, sendo composto por zonas de cisalhamento SE-NW escalonadas e anastomosadas com mergulhos fortes a subverticais para NE, de movimentação oblíqua (sinistral reversa).
Atlas Vasconcelos Corrêa Neto +3 more
doaj
Potencial de quatro espécies herbáceas forrageiras para fitorremediação de solo contaminado por arsênio. [PDF]
Made available in DSpace on 2011-04-09T20:54:57Z (GMT). No. of bitstreams: 1 OPB2473.pdf: 1542841 bytes, checksum: 5d36ff2c2639e45f5826cfd1f47ec02d (MD5) Previous issue date: 2009-10 ...
DIAS, L. E. +3 more
core
Insights into orogenic processes from drab schists and minor intrusions: Southern São Francisco Craton, Brazil [PDF]
Minor altered intrusions and drab retrogressed schists can easily be overlooked in geological studies but this contribution explores these rocks within the Archaean and Palaeoproterozoic southern S?o Francisco Craton (SSFC), Brazil using geological ...
Albert, Capucine +4 more
core +1 more source
Numerical modeling of failure mechanisms in phyllite mine slopes in Brazil
This paper presents three case studies comprising failure mechanisms in phyllite mine slopes at Quadrilátero Ferrífero, State of Minas Gerais, Brazil. Numerical modeling techniques were used in this study. Failure mechanisms involving discontinuities sub
Milene Sabino Lana
doaj +1 more source

