Zobrazeno 1 - 10
of 46
pro vyhledávání: '"Fábio Ramos Dias de Andrade"'
Autor:
Amanda Andrade de Souza, Rogério Guitarrari Azzone, Luanna Chmyz, Lina Maria Cetina Tarazona, Fábio Ramos Dias de Andrade, José Vinicius Martins, Excelso Ruberti, Celso de Barros Gomes
Publikováno v:
Minerals, Vol 14, Iss 7, p 724 (2024)
The formation of Fe-Ti oxides-rich layers is commonly associated with open-system magma chamber dynamics. These processes are widely discussed due to the economic importance of Fe-Ti-(V) deposits, although an alkaline-system approach to the matter is
Externí odkaz:
https://doaj.org/article/9f150241df43465b8040ac605250d25a
Publikováno v:
Terrae Didatica, Vol 10, Iss 2, Pp 91-104 (2015)
Este trabalho apresenta experimentos para avaliar a capacidade de produzir cristais idiomórficos de dezesseis compostos solúveis em água, cujas soluções saturadas evaporaram em condição ambiente. Dos compostos testados, dois produziram semen
Externí odkaz:
https://doaj.org/article/8dd64bb222c84cc0a6cfb1551795f1ea
Publikováno v:
Geologia USP. Série Científica, Vol 16, Iss 2 (2016)
This study establishes a routine for quantitative phase analysis by X-ray diffraction (XRD-Rietveld) in iron ore samples. Studied samples came from Quadrilátero Ferrífero, Southeastern Brazil, and are mainly composed by hematite, magnetite, goethit
Externí odkaz:
https://doaj.org/article/d588d4b4e33c4f118cf0f8b20087bb7b
Autor:
Danilo Marques Saunite, Rosa Maria da Silveira Bello, Fábio Ramos Dias de Andrade, Gergely Andrés Julio Szabó
Publikováno v:
Geologia USP. Série Científica, Vol 11, Iss 1, Pp 171-187 (2011)
Brazil’s largest talc deposits occur in the Itaiacoca Group, which is a low-grade metasedimentary belt composedmainly of dolomitic rocks. Fluid inclusions from three geological settings in which talc was formed differently wereanalysed. Talc schist
Externí odkaz:
https://doaj.org/article/b9a05c2bba8a49a98a150023f5661ea5
Autor:
Gergely Andres Julio Szabó, Fábio Ramos Dias de Andrade, Gilson Burigo Guimarães, Flávio Machado de Souza Carvalho, Fernando Assumpção Moya
Publikováno v:
Geologia USP. Série Científica, Vol 5, Iss 2, Pp 13-31 (2006)
Quatro formas de ocorrência do talco foram reconhecidas nos metadolomitos proterozóicos do Grupo Itaiacoca, PR:a) talco xisto em zonas de cisalhamento transcorrentes; b) fraturas e planos de acamamento incipientemente talcificados;c) bolsões irreg
Externí odkaz:
https://doaj.org/article/0d5ca779720d46cabe32c8fa4e6c39fd
Autor:
Danilo Marques Saunite, Rosa Maria da Silveira Bello, Fábio Ramos Dias de Andrade, Gergely Andrés Julio Szabó
Publikováno v:
Geologia USP. Série Científica, Vol 11, Iss 1 (2011)
As maiores reservas de talco no Brasil estão localizadas em metadolomitos proterozoicos de baixo grau do Grupo Itaiacoca. Foram analisadas inclusões fluidas em três contextos diferentes de formação de talco. Ao longo de zonas de cisalhamento tra
Externí odkaz:
https://doaj.org/article/1ba6c3fc3b5e418aba0706dfd2b3c80c
Publikováno v:
Proceedings of the 8th Brazilian Technology Symposium (BTSym’22) ISBN: 9783031310065
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fba5f07995a88a401c6545ce4fd7b9e8
https://doi.org/10.1007/978-3-031-31007-2_26
https://doi.org/10.1007/978-3-031-31007-2_26
Publikováno v:
Proceedings of the 7th Brazilian Technology Symposium (BTSym’21) ISBN: 9783031044342
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::37d39f607ed9dd29104ec9314a8e9701
https://doi.org/10.1007/978-3-031-04435-9_34
https://doi.org/10.1007/978-3-031-04435-9_34
Autor:
Suellen Silva Vieira Cruz, Mirian Chieko Shinzato, Gabriella Andrade Boga, Sheila Aparecida Correia Furquim, Maria Isabel Garcia Rosa, Fábio Ramos Dias de Andrade
Publikováno v:
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Universidade de São Paulo (USP)
instacron:USP
Mechanisms of Cr(VI) reduction by Fe(II) modified zeolite and vermiculite were evaluated. Adsorbents were treated with Fe(SO4).7H2O to saturate their exchange sites with Fe(II). Vermiculite (V-Fe) adsorbed more Fe(II) (21.8 mg g−1) than zeolite (Z-
Autor:
Izabela Hammerschlag, Kita Macario, Valdir F. Novello, Eduardo Q. Alves, J. A.S. Garbelim, Nicolás Misailidis Stríkis, Fábio Ramos Dias de Andrade, P. F.S.M. Buarque, Larry Edwards, Francisco W. Cruz, Hai Cheng
Publikováno v:
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Universidade de São Paulo (USP)
instacron:USP
Geographic and temporal variations in atmospheric carbon isotopic ratios are recorded in environmental proxies. In temperate regions, this may assist in the construction of datasets for the calibration of radiocarbon ages. Over the tropics, the high