Results 21 to 30 of about 277 (107)
Cerâmica, 2011 Sete amostras compostas, representativas de três ocorrências de argila caulinítica do Quadrilátero Ferrífero, foram caracterizadas física, mineralógica e quimicamente visando seu uso na indústria cerâmica.
M. G. Peralta-Sánchez +3 more
doaj +1 more source
Brazilian Journal of Geology, 2019 In the Southeastern Quadrilátero Ferrífero, a package of metapelitic rocks previously attributed to the Archean Rio das Velhas Supergroup crops out in Piranga locality.
Yanne da Silva Queiroz +10 more
doaj +1 more source
Understanding the Environmental Impact of a Mine Dam Rupture in Brazil: Prospects for Remediation
Journal of Environmental Quality, Volume 48, Issue 2, Page 439-449, March-April 2019., 2019 The rupture of the Fundão mine dam in Mariana municipality, Minas Gerais State, Brazil, spilled the tailings across the Doce River basin. These tailings, composed of residues discarded from the beneficiation of iron ore, are rich in SiO2 and Al2O3, as well as some ether amine compounds and NaOH.
O. S. H. Santos +12 more
wiley +1 more source
Revista Brasileira de Geomorfologia, 2013 Feições cársticas são típicas de áreas moldadas sobre rochas carbonáticas. Entretanto, também podem se desenvolver em outros litotipos como no itabirito e na formação de canga, por exemplo.
Manuela Corrêa Pereira +2 more
doaj +1 more source
Range extension of Anthus nattereri Sclater, 1878 (Aves: Motacillidae) in Minas Gerais, southeastern Brazil [PDF]
Check List, 2011 The distribution of Anthus nattereri, an endangered species, is extended at least 170 km to the north of the nearest locality in southeastern Brazil. New records of five individuals are provided from the municipality of Itabirito, within the Quadrilátero
Luiz Mazzoni, Alyne Perillo
doaj +3 more sources
Insect Conservation and Diversity, Volume 19, Issue 3, Page 634-646, May 2026.Despite severe habitat loss, insect species richness, seasonal fluctuations in richness and temporal β‐diversity did not differ significantly among forests adjacent to the mudflow and reference sites. We found higher wet‐season species richness for ants, bees, butterflies and dung beetles, while termites showed no seasonal change; β‐diversity was ...
Frederico Neves +11 more
wiley +1 more source
Journal of Biogeography, Volume 52, Issue 12, December 2025.ABSTRACT Aim To determine whether regional classification—river typology or ecoregion—better captures the ecological variability of tropical stream ecosystems for biomonitoring purposes. Location Three hundred and forty‐eight streams located in the São Francisco, Mata Atlântica and Paraná hydrologic units, Minas Gerais state, southeastern Brazil.
Pedro Fialho Cordeiro +6 more
wiley +1 more source
Aves, Accipitridae, Spizaetus tyrannus (Wied, 1820): new records in the Quadrilátero Ferrífero region, Minas Gerais, Brazil [PDF]
Check List, 2011 The Black Hawk-Eagle Spizaetus tyrannus (Wied, 1820) is a typical forest raptor classified as an endangered species in the state of Minas Gerais, southeast Brazil. Threats include deforestation and fragmentation of forest areas.
Luiz Salvador-Jr. +3 more
doaj +3 more sources
Programa Rocha Amiga, Iniciativas para Crianças do Ensino Fundamental no Quadrilátero Ferrífero, Minas Gerais - Brasil [PDF]
Anuário do Instituto de Geociências, 2012 O Programa “Rocha Amiga” foi criado em Portugal no âmbito das comemorações do Ano Internacional do Planeta Terra (AIPT), durante o ano letivo de 2007/2008. No Brasil, o Programa está sendo adaptado para a região do Quadrilátero Ferrífero, Minas Gerais,
Úrsula Azevedo Ruchkys +2 more
doaj
Austral Ecology, Volume 50, Issue 9, September 2025.ABSTRACT Harsh environments present substantial challenges to most organisms, making survival and thriving difficult. Such conditions often include extreme temperatures, intense radiation, strong winds, and very low or high humidity levels, resulting in a limited availability of resources like water and nutrients.
Guilherme Freitas Oliveira +3 more
wiley +1 more source