Results 71 to 80 of about 7,530 (165)

Geochemical baseline and multivariate analysis of potentially toxic elements in stream sediments of the Vazante zinc district, Minas Gerais, Brazil

open access: yesFrontiers in Environmental Science
Intense land use, driven by mining and agriculture, promotes the dispersal of elements, including potentially toxic ones (PTEs). This dispersal significantly enhances element concentrations in soils, sediments, and water bodies, thereby altering the ...
Rafael Tarantino Amarante   +9 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]

open access: yes, 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   +6 more
core   +2 more sources

An evolutionary view of the Brazilian poultry industry and its firms [PDF]

open access: yes
New technologies, innovation, and research and development of new products can help developing economies to transform models of production and raise productivity. Several countries in Asia have shown that investing in education, research.
Armando João Dalla Costa   +2 more
core  

Potencial genético de duas raças brasileiras de milho para fins de melhoramento. II Caracteres da planta. [PDF]

open access: yes, 2018
Estudou-se o potencial genético das raças brasileiras de milho Cravo e Entrelaçado, com ênfase especial para altura da planta (AP), altura da espiga (AE) e número de ramificações do pendão (NRP).
MIRANDA FILHO, J. B. de   +2 more
core  

Unveiling geological complexity in the Serra Dourada Granite using self-organizing maps and hierarchical clustering: Insights for REE prospecting in the Goiás Tin Province, Brasília Belt, Central Brazil

open access: yesJournal of the Geological Survey of Brazil
This study explores the use of Self-Organizing Maps (SOM) combined with hierarchical clustering to provide insights into the geological differentiation and mineral prospecting in the Serra Dourada Granite (SDG), part of the Goiás Tin Province, northern ...
Guilherme Ferreira da Silva   +4 more
doaj   +1 more source

A Paleoproterozoic intra-arc basin associated with a juvenile source in the Southern Brasilia Orogen : application of U-Pb and Hf-Nd isotopic analyses to provenance studies of complex areas [PDF]

open access: yes, 2016
A. Westin and M.C. Campos Neto acknowledge support from São Paulo Research Foundation (FAPESP) through grants 2011/13311-9, 2013/13530-8 and 2013/19095-1. A. Westin is a grant holder at FAPESP and M. C. Campos Neto is a CNPq researcher. P. A.
Cawood, Peter Anthony   +5 more
core   +3 more sources

Shrimp U-Pb age and Sr-Nd isotopes of the Morro do Baú mafic intrusion: implications for the evolution of the Arenópolis volcano-sedimentary sequence, Goiás Magmatic Arc

open access: yes, 2015
The Arenópolis volcano-sedimentary sequence is located in the southern part of the Goiás Magmatic Arc and includes a ca. 900 Ma calc-alkaline arc sequence made of volcanic rocks ranging in composition from basalts to rhyolites, metamorphosed under ...
Armstrong, Richard   +2 more
core  

Nueva información palinológica sobre la Formación Poti (Viseano superior) en el arroyo Roncador, Cuenca Parnaíba, noreste de Brasil [PDF]

open access: yes, 2014
Se presenta el resultado del análisis palinológico de seis muestras de superficie de la Formación Poti expuesta en el arroyo Roncador (Jerumenha, Piauí), noreste de Brasil.
Di Pasquo Lartigue, Maria, Iannuzzi, R.
core   +1 more source

Development and current situation of organic agriculture in Brazil and the State of Sao Paulo. [PDF]

open access: yes, 2008
A description of the organic production in Brazil as well as an in-depth analysis of the organic sector in the State of Sao ...
Abreu, Lucimar Santiago de   +4 more
core  

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