Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Victor Fernandez Velázquez"'
Publikováno v:
Brazilian Journal of Geology, Vol 53, Iss 3 (2023)
Abstract Associated with subordinate potassic rocks, Mesozoic to Cenozoic sodic alkaline rocks are represented by four distinct provinces in Eastern Paraguay: Alto Paraguay, Central, Misiones, and Asunción; additional Rio Apa and Amambay provinces a
Externí odkaz:
https://doaj.org/article/3331c82d0cb54b128fc1fbd8013d64e0
Autor:
Leonardo Augusto Moraes, Marcos de Souza Mansueto, José Maria Azevedo Sobrinho, Alethéa Ernandes Martins Sallun, William Sallun Filho, Celso B. Gomes, Victor Fernandez Velázquez, Rodrigo F. Lucena
Publikováno v:
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Solid Earth Sciences, Vol 6, Iss 1, Pp 27-36 (2021)
Universidade de São Paulo (USP)
instacron:USP
Solid Earth Sciences, Vol 6, Iss 1, Pp 27-36 (2021)
A wide variety of spherules and aluminum-silicate accretionary particles are found associated to allochthonous breccia deposits within the Colonia impact crater, SE Brazil. Using morphological, textural and compositional variation parameters, four ty
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::efeec9c26014bfdce3a9332a49623301
Publikováno v:
Brazilian Journal of Geology. 43:745-761
Alkaline magmatism occurs in six distinct areas of Paraguay and forms bodies of variable size, shape, composition and age. The oldest rocks are found in the north and correspond to the Permo-Triassic Alto Paraguay Province (241 Ma). Four Early Cretac
Autor:
José Maria Azevedo Sobrinho, Gibby Zobel, Victor Fernandez Velázquez, Mikhaela A. J. S. Pletsch, Antonio Carlos Moretti Guedes
Publikováno v:
Journal of Environmental Protection. :1044-1053
The Salesopolis-Caraguatatuba trail lies slightly more than 130 km to ESE from the Sao Paulo city, and it is fully inserted within the Atlantic Forest. The region is particularly interesting because it brings together a complex lithological associati
Autor:
José Maria Azevedo Sobrinho, Alethéa Ernandes Martins Sallun, Mikhaela A. J. S. Pletsch, Claudio Riccomini, William Sallun Filho, Victor Fernandez Velázquez, Jorge Hachiro
Publikováno v:
International Journal of Geosciences. :274-282
The 3.6 km-diameter Colonia impact crater, centred at 2352'03"S and 4642'27"W, lies 40 km to the south-west of the S?o Paulo city. The structure was formed on the crystalline basement rocks and displays a bowl-shaped with steeper slope near the top t
Autor:
Alethéa Ernandes Martins Sallun, William Sallun Filho, Victor Fernandez Velázquez, Rodrigo F. Lucena, José Maria Azevedo Sobrinho
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
The Colônia impact crater, developed on crystalline basement rocks, offers an excellent example of one of the most unique features of the impact process: the effects of shock waves on textural and mineralogical changes of the target rock. The impact
Autor:
José Maria Azevedo Sobrinho, Paulo C. A. Paiva, William Sallun Filho, Victor Fernandez Velázquez, Alethéa Ernandes Martins Sallun, Julianna Colonna
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
The Parelheiros district, located at the extreme southern end of the Sao Paulo metropolitan region, is historically famous for the occurrence of an unusual circular depression, denominated in the geological literature as Colonia Crater. This prominen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::62a46c6a5df46d34813fcb3927c10215
Publikováno v:
Revista Brasileira de Geociências. 30:785-788
Publikováno v:
Revista Brasileira de Geociências. 29:233-236
Autor:
Carlos Figueredo, Claudio Riccomini, Celso B. Gomes, Lucia de Figueredo, Victor Fernandez Velázquez
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
The alkaline magmatism of Paraguay is distributed in six provinces (Alto Paraguay, Rio Apa, Amambay, Central, Misiones and Assuncao), with ages varying between Permian-Triassic and Eocene. These provinces, located in Eastem Paraguay, are frequently a