Search Results - "Leitzke, Felipe Padilha"

STABLE ISOTOPES OF OXYGEN AND HYDROGEN IN WATER: ANALYTICAL METHOD EVALUATION AND THE DETERMINATION OF δ18O AND δ2 H ON A CONTROL SAMPLE by Martins, André, Koester, Edinei, Rosalino, Leandro, Bernardo, Ronaldo, Leitzke, Felipe

“…Evaluation studies contribute to the identification of parameters that can affect the accuracy and precision of analytical methods. This study describes the…”
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A review of the main tectonic settings of Palaeo-and-Mesoarchean ore deposits in the northern São Francisco Craton, NE Brazil by Barbosa, Johildo Salomão Figueirêdo, Gordilho Barbosa, Rafael, Leitzke, Felipe Padilha, de Menezes Leal, Angela Beatriz, Luciano, Rejane Lima, da Cruz Filho, Basílio Elesbão, Santana, Jocilene, de Moraes, Antônio Marcos Vitória

“…This work is based on the unprecedented Tectonic-Geochronological Map of Bahia (TGMBA): metallogenic implications. In the TGMBA, sixteen tectonic domains were…”
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Mineral chemistry from the Alfeu-I lamproite (Southern Brazil) and its contribution to understand the mantle heterogeneity under South American Plate during the Gondwana breakup by Carniel, Larissa Colombo, Conceição, Rommulo Vieira, Provenzano, Carlos Augusto S., Sander, Andrea, Leitzke, Felipe Padilha, Silva, Andrea Brum da, Berndt, Jasper, Klemme, Stephan

“…Abstract The Alfeu-I lamproite is one of the few alkaline rock occurrences in the South of Brazil that represents the alkaline event related to the South…”
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Whole-rock trace element analyses via LA-ICP-MS in glasses produced by sodium borate flux fusion by Leitzke, Felipe Padilha, Wegner, Aline Celuppi, Porcher, Carla Cristine, Vieira, Natália Isabel Malüe, Berndt, Jasper, Klemme, Stephan, Conceição, Rommulo Vieira

“…Abstract Trace elements provide crucial information about the origin and evolution of the Earth. One common issue regarding their analyses is the reduced…”
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High-precision laser ablation inductively coupled plasma mass spectrometry determination of trace elements in geological glasses by internal standardization by Wegner, Aline Celuppi, Leitzke, Felipe Padilha, Porcher, Carla Cristine, Conceição, Rommulo Vieira, Gomes, Marcia Elisa Boscato, Cedeño, Daniel Grings, Souza, Marcio Roberto Wilbert de

“…Abstract The analysis of trace elements (TE) in geological materials is a valuable tool to understand geological processes, including studies in geochemistry…”
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Zircon U-Pb geochronology, Sm-Nd and Pb-Pb isotope systematics of Ediacaran post-collisional high-silica Acampamento Velho volcanism at the Tupanci area, NW of the Sul-Rio-Grandense Shield, Brazil by Sommer, Carlos Augusto, Leitzke, Felipe Padilha, Lima, Evandro Fernandes de, Barreto, Carla Joana Santos, Lafon, Jean Michel, Matté, Vinicius, Philipp, Ruy Paulo, Conceição, Rommulo Vieira, Basei, Miguel Ângelo Stipp

“…We present new U-Pb zircon ages and Sm-Nd-Pb isotopic data for volcanic and hypabyssal acid rocks from the northernmost exposure of the Acampamento Velho…”
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Application of Pb isotopes to the identification of geogenic and anthropogenic sources in groundwaters and surface waters in a world-class coal deposit area and associated thermoelectric power plant in Candiota, southern Brazil by Martins, André Abreu, Koester, Edinei, de Castro, Gisela Raupp, Leitzke, Felipe Padilha

“…The use of lead isotopes has been widely applied to identify contamination sources in nature. The present study aims to investigate the Pb isotope signature of…”
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Sources of Neoproterozoic post-collisional granites from the Porto Alegre region, eastern Dom Feliciano Belt, Brazil: Sr-Nd-Pb isotopic constraints by da Silva Assis, Mariana, Koester, Edinei, Leitzke, Felipe Padilha, Vieira, Daniel Triboli, Ramos, Rodrigo Chaves, Martins, André Abreu

“…The Dom Feliciano Belt, southernmost Brazil and Uruguay, is a Neoproterozoic to Cambrian mobile belt that resulted from the convergence of the Kalahari, Congo,…”
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Paleo-to-Mesoarchean crustal evolution in the Uauá Block, Northeastern São Francisco Craton, Brazil: New insights from petrography, U–Pb geochronology, Lu–Hf isotopes and trace elements in zircon by Gordilho-Barbosa, Rafael, Ferreira, Alanielson da Câmara Dantas, Leitzke, Felipe Padilha, Cortez, Ísis de Moraes, Lana, Cristiano de Carvalho, Conceição, Rommulo Vieira, Barbosa, Johildo Salomão Figueiredo, Ribeiro, Carlos Vinícius Alves

“…The timing of Earth's initial crustal growth and reworking through collisional settings remains an issue of extensive debate. Here, we report a Paleo-to…”
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Environmental isotopes (δ18O, δ2H) and the spatio-temporal variation of Fe, Mn and P in surface and groundwaters in a coal extraction area and thermoelectric power plant, Candiota, South Brazil by Martins, André Abreu, Koester, Edinei, Gastmans, Didier, Reginato, Pedro Roehe Antonio, Machado, Nelson Augusto Flores, Leitzke, Felipe Padilha, Jones, Fábio Herbert, Santos, Vinícius

“…In the municipality of Candiota, southern Brazil, some of the largest coalfields in the country are found which are exploited for energy production. In the…”
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ANÁLISE DOS FATORES CONDICIONANTES DE MOVIMENTOS DE MASSA NO MUNICÍPIO DE PORTO ALEGRE A PARTIR DE REGISTROS HISTÓRICOS by De Brito, Mariana Madruga, Weber, Eliseu José, Krigger, Vania Silva, Leitzke, Felipe Padilha

“…O município de Porto Alegre é altamente suscetível a movimentos de massa, os quais ocasionam perdas econômicas, sociais e ambientais. Com o intuito de mitigar…”
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ANÁLISE DOS FATORES CONDICIONANTES DE MOVIMENTOS DE MASSA NO MUNICÍPIO DE PORTO ALEGRE A PARTIR DE REGISTROS HISTÓRICOS by Mariana Madruga de Brito, Eliseu José Weber, Vania Silva Krigger, Felipe Padilha Leitzke

“…O município de Porto Alegre é altamente suscetível a movimentos de massa, os quais ocasionam perdas econômicas, sociais e ambientais. Com o intuito de mitigar…”
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