Zobrazeno 1 - 10
of 61
pro vyhledávání: '"Carla Cristine Porcher"'
Autor:
Gabriel Prates Hallal, Jean Marcel de Almeida Espinoza, Bijeesh Kozhikkodan Veettil, Carla Cristine Porcher, Maurício Oliveira Righi da Silva, Silvia Beatriz Alves Rolim
Publikováno v:
PLoS ONE, Vol 19, Iss 9, p e0309043 (2024)
Heavy mineral deposits occur in several coastal areas of the world, formed over a long period due to variations in mean sea level, wave action, and winds. These are the main sources of ilmenite (FeTiO3), which in turn is the source of more than 80% o
Externí odkaz:
https://doaj.org/article/f9c714a7e73d49e2b3233ad6c18f2a11
Autor:
Aline Celuppi Wegner, Felipe Padilha Leitzke, Carla Cristine Porcher, Rommulo Vieira Conceição, Marcia Elisa Boscato Gomes, Daniel Grings Cedeño, Marcio Roberto Wilbert de Souza
Publikováno v:
Brazilian Journal of Geology, Vol 51, Iss 3 (2021)
Abstract The analysis of trace elements (TE) in geological materials is a valuable tool to understand geological processes, including studies in geochemistry and petrology. Among the methods applied to determine TE, Laser Ablation Inductively Coupled
Externí odkaz:
https://doaj.org/article/8b633cf74aed4d7eb2f297a375f80b4e
Autor:
Felipe Padilha Leitzke, Aline Celuppi Wegner, Carla Cristine Porcher, Natália Isabel Malüe Vieira, Jasper Berndt, Stephan Klemme, Rommulo Vieira Conceição
Publikováno v:
Brazilian Journal of Geology, Vol 51, Iss 2 (2021)
Abstract Trace elements provide crucial information about the origin and evolution of the Earth. One common issue regarding their analyses is the reduced analyte recovery during hot plate acid digestion for some geological samples. To overcome this,
Externí odkaz:
https://doaj.org/article/ea5149620018420ea623f2334d9d317d
Autor:
Renato Luiz da Silveira, Edinei Koester, Mario Jesus Tomas Rosales, Rodrigo Chaves Ramos, Daniel Triboli Vieira, Carla Cristine Porcher, Laércio Dal Olmo- Barbosa
Publikováno v:
Geologia USP. Série Científica, Vol 20, Iss 4 (2020)
No setor sudeste do Cinturão Dom Feliciano, Rio Grande do Sul, está localizado o limite entre os Terrenos Pelotas e Punta del Este, região que contém diversos granitoides e rochas metamórficas neoproterozoicas e vulcânicas mesozoicas. Três dom
Externí odkaz:
https://doaj.org/article/bbac0c3946b9407396854374ce579919
Autor:
Maurício Dias da Silva, Márcia Elisa Boscato Gomes, André Sampaio Mexias, Manuel Pozo, Susan Martins Drago, Raquel Severo Célia, Luis Adriano Carvalho Silva, Paulo Netto, Lucas Bonan Gomes, Carla Cristine Porcher, Norberto Dani, Deborah Driemeyer, Camila Wense Dias Ramnani, Julice Ferreira Santos
Publikováno v:
Minerals, Vol 11, Iss 9, p 970 (2021)
The object of this study is magnesian clay minerals present in carbonate rocks of the post-rift phase of the pre-salt in the Santos Basin. These rocks developed in an Aptian-age alkaline lacustrine environment. This study summarizes the formation of
Externí odkaz:
https://doaj.org/article/53de9e8ec49e4385b14678964c9c2179
Autor:
Leonardo Gruber, Carla Cristine Porcher, Humberto Geller, Luís Alberto D'Ávilla Fernandes, Edinei Koester
Publikováno v:
Geochimica Brasiliensis, Vol 30, Iss 1, Pp 55-71 (2016)
Geochronological and isotope geochemistry analysis on the marbles and pelitic gneisses outcropping in the Várzea do Capivarita Metamorphic Suite in the Dom Feliciano Belt (DFB), southern Brazil, confirms its origin during the agglutination of Congo-
Externí odkaz:
https://doaj.org/article/cd9a65acf0974db089595f0f92b7bc2b
Autor:
Rodrigo Chaves, Ramos, Edinei, Koester, Daniel Triboli, Vieira, Carla Cristine, Porcher, Julia Neri, Gezatt, Renato Luiz, Silveira
Publikováno v:
In Journal of South American Earth Sciences October 2018 86:38-53
Autor:
Luiz Henrique Passos, Reinhardt A. Fuck, Farid Chemale Junior, Cristine Lenz, Carla Cristine Porcher, Viter Magalhães Pinto, Lauro Cézar M. de Lira Santos
Publikováno v:
International Geology Review. 65:527-545
Publikováno v:
Gondwana Research. 98:309-311
From southern Sao Francisco Craton (Brazil), the Itaguara retroeclogite with so little amphibole (~20%) and plagioclase (~1%) should not be considered a garnet amphibolite (as claimed by Cutts 2020) according to IUGS/Subcommission on the Systematics
Publikováno v:
Gondwana Research. 87:224-237
Paleoproterozoic retrogressed eclogite (retroeclogite) occurs in the Itaguara Sequence included in the suture zone formed by collision between the Archean Divinopolis and Campo Belo/Bonfim Complexes in the southern Sao Francisco Craton, which represe