RSS 1.0Departamento de Petrologia e Metalogenia
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Source-to-sink analysis of continental rift sedimentation: Triassic Cuyo basin, Precordillera Argentina
; ; ; Morales, Norberto
; (Sedimentary Geology, 2018) [Artigo]
The northernmost outcrops of the Triassic extensional Cuyo basin in western Argentina reveal a basal coarse conglomerate overlain by a thinning-fining upward siliciclastic red-bedded section with subordinated tuffs and ... -
Evolution of the Southwestern Angolan Margin: episodic burial and exhumation is more realistic than long-term denudation
da Silva, Bruno Venancio; Hackspacher, Peter Christian ; Ribeiro, Marli Carina Siqueira ; ; ; Doranti-Tiritan, Carolina ; de Godoy, Daniel Françoso ; Constantino, Renata Regina (International Journal of Earth Sciences, 2018) [Artigo]
There are two main points of view regarding how continental margins evolve. The first one argues that the present-day margins have been developed by long-term denudation since a major exhumation episode, probably driven ... -
Petrographic characterization of the gold mineralization host rocks of the lavra velha deposit – Ibitiara region, western edge of Chapada Diamantina, Bahia.
Carlin, Aline de Cassia; Zanardo, Antenor ; Navarro, Guillermo Rafael Beltran (Geociencias, 2018) [Artigo]
The Lavra Velha gold deposit is located in Ibitiara, Bahia’s central west and the western edge of the physiographic domain of the Chapada Diamantina, situated in Paramirim aulacogen, in northern of São Francisco Craton. ... -
Seasonal characterization of sugarcane vinasse: Assessing environmental impacts from fertirrigation and the bioenergy recovery potential through biodigestion
; Garcia, Marcelo Loureiro; (Science of the Total Environment, 2018) [Artigo]
Sugarcane vinasse has been widely used as a soil fertilizer in the Brazilian sucro-alcohol industry for recycling potassium and water. However, the potential negative effects from long-term soil fertirrigation represent a ... -
Moho depth and equivalent elastic thickness of the lithosphere over the Vema Channel: A new evidence of an aborted ridge
Constantino, Renata Regina; ; Hackspacher, Peter Christian ; de Souza, Iata Anderson (Journal of South American Earth Sciences, 2018) [Artigo]
We investigate the Vema Channel in terms of spatial variations of the elastic thickness (Te) in the frame of the thin plate flexure model using the convolutive method. The modeling of the Moho in terms of the thin plate ... -
Diversifying the technological strategies for recovering bioenergy from the two-phase anaerobic digestion of sugarcane vinasse: An integrated techno-economic and environmental approach
; ; ; ; Garcia, Marcelo Loureiro; ; (Renewable Energy, 2018) [Artigo]
Technical, economic and environmental aspects of implementing two-phase anaerobic digestion (AD), i.e., acidogenic + methanogenic systems, in sugarcane biorefineries for the treatment of vinasse were assessed based on ... -
Standardization of a NaI(Tl) scintillation detector and its use on environments for Geology teaching in a Brazilian university
Barbosa, Eder Queiroz; Bonotto, Daniel Marcos ; Roveratti, Gabrielle (Environmental Earth Sciences, 2018) [Artigo]
This paper describes analytical protocols adopted for calibrating a portable gamma rays spectrometer using a 2ʺ × 2ʺ NaI(Tl) scintillation detector for performing exploration and environmental surveys. The steps involved ... -
Hydrochemical study of the Caldas Novas Thermal Complex (GO), Brazil
Lunardi, Marina; Bonotto, Daniel Marcos (Environmental Earth Sciences, 2018) [Artigo]
The city of Caldas Novas, State of Goiás, Brazil, holds the largest thermal water complex in the planet not associated to with volcanism or other kinds of magmatism. Its structural control allows the fractures to be wide ... -
Hydrogeochemical and isotopic indicators of vulnerability and sustainability in the GAS aquifer, São Paulo State, Brazil
; Bonotto, Daniel Marcos (Journal of Hydrology: Regional Studies, 2017) [Artigo]
Study region The Guarani Aquifer System (GAS), São Paulo State, Brazil, an important freshwater resource regionally and part of a giant, transboundary system. Study focus Groundwaters have been sampled along a transect. ... -
Radionuclides (222Rn, 226Ra, 234U, and 238U) Release in Natural Waters Affected by Coal Mining Activities in Southern Brazil
Galhardi, Juliana Aparecida; Bonotto, Daniel Marcos (Water, Air, and Soil Pollution, 2017) [Artigo]
Water quality was evaluated in a coal mining area in the city of Figueira, Paraná State, Brazil, where uranium was associated with the coal deposit. Upstream the mine, groundwaters were more acid and some elements and ... -
Trace elements, REEs and stable isotopes (B, Sr) in GAS groundwater, São Paulo State, Brazil
Bonotto, Daniel Marcos; (Environmental Earth Sciences, 2017) [Artigo]
This investigation was carried out in the Guarani Aquifer System (GAS) following a transect in São Paulo State, Brazil, and involved the analysis of trace elements, REEs and stable isotopes (B, Sr) in both rainwater and ... -
Designing full-scale biodigestion plants for the treatment of vinasse in sugarcane biorefineries: How phase separation and alkalinization impact biogas and electricity production costs?
; ; Garcia, Marcelo Loureiro; (Chemical Engineering Research and Design, 2017) [Artigo]
Anaerobic digestion (AD) is the most suitable approach for the management of vinasse in sugarcane distilleries because both environmental adequacy and bioenergy recovery could be achieved through biogas production. Because ... -
Thermophilic two-phase anaerobic digestion using an innovative fixed-bed reactor for enhanced organic matter removal and bioenergy recovery from sugarcane vinasse
; ; ; ; ; Garcia, Marcelo Loureiro; (Applied Energy, 2017) [Artigo]
This study considered the application of anaerobic digestion (AD) with phase separation combined with the use of an anaerobic structured-bed reactor (ASTBR) as the methanogenic phase for the treatment of sugarcane vinasse, ... -
Natural radionuclides in lichens, mosses and ferns in a thermal power plant and in an adjacent coal mine area in southern Brazil
Galhardi, Juliana Aparecida; ; ; Bonotto, Daniel Marcos ; (Journal of Environmental Radioactivity, 2017) [Artigo]
The radio-elements 234U, 235U, 238U, 230Th, 232Th and 210Po were characterized in lichens, mosses and ferns species sampled in an adjacent coal mine area at Figueira City, Paraná State, Brazil, due to their importance for ... -
Platô de São Joaquim, Província Magmática do Paraná: Feições de Campo e Questões Genéticas
; ; Nardy, Antônio José Ranalli (Boletim Paranaense de Geosciencias, 2015) [Artigo]
The São Joaquim Plateau (SJP) is located in the Southern Highlands of Santa Catarina, which lays on the extreme southeast of the Brazilian Southern Highlands. The plateau is above Serra Geral Flood Basalts, which are ... -
Controle estrutural do neógeno e quaternário nas bacias de campos e do espírito santo
Vincentelli, Maria Gabriela Castillo; ; Morales, Norberto (Geociencias, 2016) [Artigo]
The main oil production from Campos and Espírito Santo Basins is associated with Cenozoic turbidite reservoirs, most of them related to Oligo-Miocene age. The developed seismic interpretations show mix structures ... -
Trophic state index (TSI) and physico-chemical characteristics of a shallow reservoir in southeast Brazil
Cigagna, Cristiano; Bonotto, Daniel Marcos ; Camargo, Antonio F. Monteiro ; Sturaro, José Ricardo (Environmental Earth Sciences, 2016) [Artigo]
This paper presents the trophic state index (TSI) and water physico-chemical characteristics of a shallow tropical reservoir located in southeast Brazil. It describes a study held over a hydrological and diurnal period, ... -
Operational strategies for long-term biohydrogen production from sugarcane stillage in a continuous acidogenic packed-bed reactor
; ; Garcia, Marcelo Loureiro; (International Journal of Hydrogen Energy, 2016) [Artigo]
The use of packed-bed reactors for biohydrogen production often results in performance losses in the short term because of the negative effects of operational factors, such as biomass accumulation and inadequate pH conditions. ... -
Contrasting stress fields on correlating margins of the South Atlantic
; ; ; Hackspacher, Peter Christian; (Gondwana Research, 2015) [Artigo]
The passiveness of passive continental margins across the globe is currently under debate since several studies have shown that these margins may experience a variety of stress states and undergo significant vertical ... -
Morphology and stratigraphy of Serra Geral silicic lava flows in the northern segment of the Torres Trough, Paraná Igneous Province
; ; Nardy, Antonio José Ranalli (Brazilian Journal of Geology, 2018) [Artigo]
The impetus for this research was the enigma regarding the origin of the extensive silicic volcanic units in the Paraná-Etendeka Igneous Province. Are they rheoignimbrites, lava flows, or a combination of both? The São ...