Results 21 to 30 of about 6,627 (195)

Influência das propriedades do solo sobre a abundância das espécies vegetais em campos ferruginosos no sudeste do Brasil [PDF]

, 2008
Ferruginous "campos rupestres" are a particular type of vegetation growing on iron-rich primary soils. We investigated the influence of soil properties on plant species abundance at two sites of ferruginous "campos rupestres" and one site of quartzitic ...
MEGURO, Marico, VINCENT, Regina de Castro   +1 more
core   +1 more source

Óxidos de manganês em solos do quadrilátero ferrífero (MG)

Revista Brasileira de Ciência do Solo, 2011
A mineralogia dos óxidos de Mn é muito variada e complexa, devido ao grande número de minerais e ao conhecimento inexato de algumas de suas estruturas. Devido à escassez de trabalhos que tratam especificamente de óxidos de Mn em solos brasileiros e seu ...
Amaury de Carvalho Filho, Nilton Curi, João José Granate de Sá e Melo Marques, Edgard Shinzato, Diego Antonio França de Freitas, Elen Alvarenga de Jesus, Regla Toujaguez La Rosa Massahud   +6 more
doaj   +1 more source

First occurrence of kitagohaite, Pt7Cu. from the Quadrilátero Ferrífero, Brazil [PDF]

REM: International Engineering Journal, 2023
A kitagohaite grain, measuring approximately 1.0 mm, was retrieved from an alluvial gold gravity concentrate from the southeastern Quadrilátero Ferrífero (QFe), Mariana, Brazil. The grain exhibits a cubic structure, whitish-steel-gray, and has a metallic
Cristiano Sampaio, Herminio Arias Nalini Jr., Cristiane Paula de Castro Gonçalves, Geraldo Magela Santos, Ana Ramalho Alkmim   +4 more
doaj   +1 more source

ASPECTOS LEGAIS DA SEGURANÇA DE BARRAGENS DE REJEITO DE MINÉRIO: IMPLICAÇÕES PARA A QUALIDADE AMBIENTAL E USOS MÚLTIPLOS DA ÁGUA NO ALTO RIO DAS VELHAS (MG)

Revista Geographia, 2019
: A construção de barramentos para a contenção de rejeitos provenientes da exploração mineral é uma prática comum em Minas Gerais, principalmente no Quadrilátero Ferrífero.
Guilherme Eduardo Macedo Cota, Nayara Mariana Gonzaga Rosa, Camila Esteves Romeiro, Izabela Aparecida da Silva Mendes, Antônio Pereira Magalhães Júnior   +4 more
doaj   +1 more source

Depositional setting and U-Pb detrital record of rift-related deposits in the Moeda Formation (Minas Supergroup) at the Gandarela and Ouro Fino synclines, Quadrilátero Ferrífero, Brazil

Brazilian Journal of Geology, 2021
The Moeda Formation (Caraça Group, base of Minas Supergroup) registers the initial rift stages of the Minas Basin in the Quadrilátero Ferrífero, Southern São Francisco craton, SE-Brazil.
Rafael da Silva Madureira, Maximiliano Martins, Gláucia Queiroga, Cristiano Lana, Luiz Fernandes Dutra, Ana Ramalho Alkmim   +5 more
doaj   +1 more source

Paisagens culturais da mineração [PDF]

, 2016
O trabalho analisa as interfaces existentes entre a atividade de mineração e o conceito de paisagem cultural, buscando compreender a dinâmica e a importância desse encontro para a formação e o futuro do Estado de Minas Gerais, Brasil.
Carsalade, Flavio de Lemos
core   +2 more sources

Occurrence of Yeast Species in Soils under Native and Modified Vegetation in an Iron Mining Area

Revista Brasileira de Ciência do Solo, 2018
Soils of the Quadrilátero Ferrífero are rich in mineral resources, especially gold and iron. Soil management and mining activities greatly impact soil biology. However, studies addressed to the diversity of microorganisms and their ecological role in the
Geisianny Augusta Monteiro Moreira, Helson Mario Martins do Vale   +1 more
doaj   +1 more source

Anurans in a forest remnant in the transition zone between cerrado and atlantic rain forest domains in southeastern Brazil

Anais da Academia Brasileira de Ciências, 2013
This study presents the species richness, temporal distribution and reproductive activity of anurans from the Uaimií State Forest (Floresta Estadual do Uaimií – FLOE Uaimií), situated in the Quadrilátero Ferrífero region, municipality of Ouro Preto ...
RENATA M. PIRANI, LUCIANA B. NASCIMENTO, RENATO N. FEIO   +2 more
doaj   +1 more source

Evolution of Siderian juvenile crust to Rhyacian high Ba-Sr magmatism in the Mineiro Belt, southern São Francisco Craton [PDF]

, 2018
Plutonic rocks from the Mineiro Belt, Brazil record a delayed onset of the transition from TTG to sanukitoid-type magmatism (high Ba-Sr), starting during the Siderian magmatic lull when little juvenile magma was added to the continental crust.
Fowler, Mike, Lana, Cristiano, Lasalle, Stephanie, Moreira, Hugo, Seixas, Luís, Stevenson, Ross, Storey, Craig   +6 more
core   +2 more sources

Comparative evaluation of constitutive models for stress-strain analysis of an iron ore tailings from the Quadrilátero Ferrífero, Minas Gerais, Brazil

Soils and Rocks, 2023
The study and understanding of the concepts related to critical state soil mechanics is relatively recent in Brazil, especially among practicing geotechnical engineers in the mining industry, where simpler solutions were traditionally adopted.
André Faria, B. Delgado, L. Ferreira, Mauro Santos Junior   +3 more
semanticscholar   +1 more source