Zobrazeno 1 - 10 of 45 pro vyhledávání: '"Edi Mendes Guimarães"'
1
Akademický článek
Methodological Development of a Combined Preparation for Micropaleontological and Sedimentological Studies of Samples From the Proterozoic Record
Autor: Matheus Denezine, Rodrigo Rodrigues Adôrno, Dermeval Aparecido Do Carmo, Edi Mendes Guimarães, Detlef Hans Gert Walde, Carlos José Souza De Alvarenga, Gerard Germs, Lucas Silveira Antonietto, Christian Gianfranco Valdivia Rodríguez, Osvaldo De Oliveira Nunes Junior
Publikováno v: Frontiers in Earth Science, Vol 10 (2022)
The recovery of microfossils from Proterozoic rocks is commonly challenging because of metamorphism. In this study, an application of different methods usually applied on Phanerozoic rocks to test efficiency on recovering microfossil from Proterozoic
Externí odkaz: https://doaj.org/article/d03752d3f63c432f81dbe8f8e0123218
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2
Akademický článek
Variação temporal da descarga sólida em suspensão e identificação de minerais a partir de aperfeiçoamento de método de amostragem automática no Córrego Riacho Fundo, Brasília, Distrito Federal
Autor: Igor Guedes de Aquino, Henrique Llacer Roig, Elton Souza Oliveira, Jérémie Garnier, Edi Mendes Guimarães, Sérgio Koide
Publikováno v: Geologia USP. Série Científica, Vol 18, Iss 2 (2018)
Este estudo buscou contribuir com informações sedimentométricas sobre o Córrego Riacho Fundo (CRF), afluente do Lago Paranoá, Brasília, Distrito Federal, historicamente o principal transportador de sedimentos da bacia. Utilizamos método acúst
Externí odkaz: https://doaj.org/article/ebf63297a696436eb96b2059d015e49e
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3
Akademický článek
Estudo geoquímico da disposição de lodo de estação de tratamento de água em área degradada Geochemistry of the final disposal of the water treatment residuals on degraded area
Autor: Ricardo Cosme Arraes Moreira, Edi Mendes Guimarães, Geraldo Resende Boaventura, Alessandra Morales Momesso, Gilmar Lopes de Lima
Publikováno v: Química Nova, Vol 32, Iss 8, Pp 2085-2093 (2009)
This survey determined the physical and chemical properties of the gravel place where urban sludge from Rio Descoberto's Water Treatment Plant is disposed. Physical, chemical and biological analysis of the soil samples (n=54), sludge samples (n=2), c
Externí odkaz: https://doaj.org/article/63490ad19fa1497d8640f7a7a7929186
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4
Akademický článek
Influência da pressão e temperatura na cristalinidade da illita em sequências Proterozoicas: Norte do Distrito Federal e Goiás, Brasil
Autor: Laura Flores Brant Campos, Edi Mendes Guimarães, Rafael Henrique Grudka Barroso, André Walczuk Gomes
Publikováno v: Brazilian Journal of Geology, Vol 45, Iss 3, Pp 383-398
As sequências Proterozoicas, ao Norte no Distrito Federal e na região de Bezerra e Vila Boa (Goiás), são constituídas por calcários e dolomitos, pelitos e arenitos correspondentes aos Grupos Bambuí e Paranoá. No Distrito Federal, tais unidade
Externí odkaz: https://doaj.org/article/082ea9864a0742e1962291fc01860028
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6
Field availability and mobility of metals in Ferralsols developed on ultramafic rock of Niquelândia, Brazil
Autor: Edi Mendes Guimarães, Jérémie Garnier, Cécile Quantin, Sophie Raous, Thierry Becquer
Publikováno v: Brazilian Journal of Geology v.51 n.1 2021
Brazilian Journal of Geology
Sociedade Brasileira de Geologia (SBGEO)
instacron:SBGEO
Brazilian Journal of Geology, Vol 51, Iss 1 (2021)
Ultramafic (UM) rocks are defined as igneous rocks that contain more than 90% of mafic minerals. Soils derived from ultramafic rock are generally nutrient-deficient and have concomitant high concentrations of potentially phytotoxic trace elements
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::61b8a59df983e071875d695c422fe870
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S2317-48892021000100309
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7
Análisis paleontológicos a través límite Ediacárico-Cámbrico, Grupo Alto Corumbá, Brasil
Autor: Matheus Denezine, Lucas Veríssimo Warren, Gerard J.B. Germs, G. Fazio, M.E.A.F. Ramos, Edi Mendes Guimarães, Martino Giorgioni, D. A. do Carmo, M.C. Baptista, Thais C. Tobias, Ivan Cortijo, Yaoping Cai, Milene F. Figueiredo, B.D. Erdtmann, Evelyn Aparecida Mecenero Sanchez, Detlef H.G. Walde, Rodrigo Rodrigues Adôrno
Publikováno v: Estudios Geologicos, Vol 75, Iss 2, Pp e094-e094 (2019)
This work presents the results of a palaeontological analysis focused on twenty-six species sampled in five sections of the Tamengo and Guaicurus formations, Corumba and Ladario regions: Corcal and Laginha quarries, Porto Sobramil, Porto Figueiras an
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3854489675ae86afd40b2d74cabec670
http://estudiosgeol.revistas.csic.es/index.php/estudiosgeol/article/view/987
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8
Palaeoenvironmental assessment of Early Cretaceous limnic ostracods from the Alagamar Formation, Potiguar Basin, NE Brazil
Autor: Edi Mendes Guimarães, Xi Dangpeng, Guilherme M. Caixeta, Dermeval Aparecido do Carmo, João Graciano Mendonça-Filho, Martha Richter, André L. D. Spigolon, Amanda Moreira Leite
Publikováno v: Cretaceous Research. 85:266-279
Source rocks from the Alagamar Formation were analysed and fifteen non-marine ostracod species and one foraminifer species were identified. Thecamoebians, gastropods, fish teeth and incertae sedis material also occurred. Among these fossils, an agglu
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f6ea44e55b3396de019ffc2c10211e1b
https://doi.org/10.1016/j.cretres.2018.01.009
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9
Petrografia, química mineral e geoquímica de filossilicatos como indicadores da proveniência dos sedimentos neoproterozoicos das formações Serra de Santa Helena e Serra da Saudade (Grupo Bambuí)
Autor: Edi Mendes Guimarães, Laura Flores Brant Campos
Publikováno v: Pesquisas em Geociências; v. 45, n. 3 (2018): Pesquisas em Geociências; e0707
A caracterização mineral e geoquímica de pelitos das formações Serra de Santa Helena (FSSH) e Serra da Saudade (FSS) podem contribuir para a interpretação da evolução da bacia de deposição do Grupo Bambuí, que tem sido considerada como do
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5c6e7329b85f28dbb466812f89ea23d2
https://doi.org/10.22456/1807-9806.91388
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10
Magnetic chitosan-functionalized Fe3O4@Au nanoparticles: Synthesis and characterization
Autor: J. Mantilla, S. S. Pati, Vijayendra K. Garg, Jose A. H. Coaquira, Edi Mendes Guimarães, Aderbal C. Oliveira, L. Herojit Singh, Virender K. Sharma
Publikováno v: Journal of Alloys and Compounds. 684:68-74
A simple synthesis method of chitosan functionalized Fe3O4-Au (Chit-Fe2O3@Au) nanoparticles (NPs) was developed. This method first prepared oleic acid-coated Fe3O4 (OA-Fe2O3) NPs as a precursor, followed by functionalization of chitosan to obtain Chi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a3735274a51ad82fb59ce7f35e17b57e
https://doi.org/10.1016/j.jallcom.2016.05.160
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