Now showing items 1-10 of 68
Magnetometric exploration in intrusive basic with evidence of gold in northern region of the Camaquã Sedimentary Basin (RS)
(REM. Revista Escola de Minas, 2015) [Artigo]
This study involved magnetometric exploration in the region of São Sepé (RS), southern Brazil, to evaluate the potential for gold mineralization in a gabbro using evidence previously obtained from the geochemical exploration ...
Re-Os isotope and highly siderophile element systematics of the Parana continental flood basalts (Brazil)
(Earth and Planetary Science Letters, 2012-07-01) [Artigo]
Basalts of the Parana continental flood basalt (PCFB) province erupted through dominantly Proterozoic continental crust during the Cretaceous. In order to examine the mantle source(s) of this major flood basalt province, ...
Pb-210 and composition data of near-surface sediments and interstitial waters evidencing anthropogenic inputs in Amazon River mouth, Macapa, Brazil
(Journal of Environmental Radioactivity, 2011-04-01) [Artigo]
Activity profiles of excess Pb-210 determined in three sediment cores from Amazon River mouth, Macapa city, Brazil, provided the evaluation of sedimentation rates, contributing to a better knowledge of the hydrological ...
Rn-222, Rn-220 and other dissolved gases in mineral waters of southeast Brazil
(Journal of Environmental Radioactivity, 2014-06-01) [Artigo]
This paper describes the natural radioactivity due to Rn-222 and Rn-220 in mineral waters occurring at Sao Paulo and Minas Gerais states, Brazil, that are extensively used for drinking in public places, bottling and bathing ...
Relics of eclogite facies assemblages in the Ceara Central Domain, NW Borborema Province, NE Brazil: Implications for the assembly of West Gondwana
(Gondwana Research, 2009-06-01) [Artigo]
The Borborema Province, in the NE of Brazil, is a rather complex piece in the Brazil-Africa puzzle as it represents the junction of the Dahomeyide/Pharusian, Central African, Aracuai and Brasilia fold belts located between ...
High-pressure granulites from Carire, Borborema Province, NE Brazil: Tectonic setting, metamorphic conditions and U-Pb, Lu-Hf and Sm-Nd geochronology
(Gondwana Research, 2012-11-01) [Artigo]
In the northwest region of the Ceara Central Domain, Borborema Province, an elongate area of mylonitic diorites and granodiorites is structurally controlled by NE-SW-trending strike-slip faults. Granitic material and layers ...
Gamma-ray spectrometry signature of main volcanic rocks of Serra Geral formation: preliminary results
(Geociências, 2014) [Artigo]
Ortognaisses peraluminosos associados ao grupo Araxá na região de Rochedo, Goiás
(Geociências, 2014) [Artigo]
In the Araxá Group metasediments in southern Goiás, there are occurences of numerous gnaissified granitic bodies. Two of these occurrences are located near Rochedo district, municipality of Piracanjuba. These two occurences ...
Qualidade dos recursos hídricos de superfície e sub-superfície
(Congresso de Extensão Universitária, 2001) [Resumo]
A iniciativa basicamente teve início com o desenvolvimento de atividades de pesquisa relacionadas com a identificação do comportamento geoquímico dos elementos nos recursos hídricos superficiais e subterrâneos, onde os ...
Hydrochemistry and weathering rates on Corumbatai River basin, São Paulo State, Brazil
(Journal of Hydrology, 2010-03-30) [Artigo]
This work was held at the Corumbatai River basin that is inserted within the giant Parana sedimentary basin (Paleozoic-Cenozoic) in South America. The Corumbatai River is the major river draining the area and its water is ...