Zobrazeno 1 - 10
of 178
pro vyhledávání: '"Francisco José Fonseca Ferreira"'
Autor:
Henrique Garcia Pereira, Francisco José Fonseca Ferreira, César Augusto Moreira, Vinicius Antunes Ferreira da Silva
Publikováno v:
Geofísica Internacional, Vol 60, Iss 2, Pp 101-123 (2021)
Los mapas magnéticos y gravimétricos (aéreos y/o terrestres) suministran información importante sobre la distribución espacial de las fuentes del sustrato geológico, las cuales normalmente tienen propiedades físicas y geometrías diferentes. E
Externí odkaz:
https://doaj.org/article/a79256a871464e069fc107142e78e4f8
Publikováno v:
Brazilian Journal of Geology, Vol 51, Iss 3 (2021)
Abstract We present airborne magnetic and radiometric characteristics of some igneous suites from the Ponta Grossa Arch Alkaline Province (southern Brazil), namely the Bairro da Cruz, Banhadão, Barra do Itapirapuã, Mato Preto and Tunas complexes, B
Externí odkaz:
https://doaj.org/article/aaa24c8c3e5c43b48a9616be3bb47432
Mapping New IOCG Mineral Systems in Brazil: The Vale do Curaçá and Riacho do Pontal Copper Districts
Autor:
Sérgio Roberto Bacelar Hühn, Adalene Moreira Silva, Francisco José Fonseca Ferreira, Carla Braitenberg
Publikováno v:
Minerals, Vol 10, Iss 12, p 1074 (2020)
The Vale do Curaçá and Riacho do Pontal copper districts are located within the northern part of the Archaean São Francisco Craton and represent two pulses of mineralization. The copper districts have been identified as Iron-Oxide-Copper-Gold (IOC
Externí odkaz:
https://doaj.org/article/39853f4ae69c4974adde4d8520de63b6
Publikováno v:
Geologia USP. Série Científica, Vol 15, Iss 2, Pp 25-59 (2015)
In the northwest of the Paraná Basin, between the states of Mato Grosso and Goiás, there are exposures of the Furnas Formation, where the Transbrasiliano Lineament is also recognized. From the analysis of magnetic maps, the geological and geophysic
Externí odkaz:
https://doaj.org/article/483ed4ef7f35430fa8142a27cccf666b
Autor:
Luís Gustavo de Castro, Francisco José Fonseca Ferreira, Leonardo Fadel Cury, Alberto Pio Fiori, Paulo Cesar Soares, Angela Pacheco Lopes, Maria José Oliveira
Publikováno v:
Geologia USP. Série Científica, Vol 14, Iss 4, Pp 3-18 (2014)
The characterization of shear zones at the southern portion of the Ribeira Belt, PR, BR, as well as its recognition in depth is a major challenge. Despite the lack of subsurface information, the influence of such structures on the installation and ev
Externí odkaz:
https://doaj.org/article/20b3f9cc0a0d48f1bbf70df68b585ad8
Publikováno v:
Revista Brasileira de Cartografia, Vol 69, Iss 7 (2017)
Este artigo apresenta o mapeamento das anomalias da gravidade sobre a barragem de Concreto Compactado com Rolo (CCR) da Usina Hidrelétrica de Mauá, buscando averiguar variações na densidade do concreto decorrentes de eventual saturação. Anomali
Externí odkaz:
https://doaj.org/article/c9db69ab36934944953165075ae7bf67
Autor:
Guilherme Arruda Sowek, Francisco José Fonseca Ferreira, Fernando Farias Vesely, Fabio Berton
Publikováno v:
Geologia USP. Série Científica, Vol 13, Iss 3, Pp 83-98 (2013)
Fluvial channel-fill deposits form highly heterogeneous hydrocarbon reservoirs. The study of outcrop analogs can help in the characterization of these heterogeneities, which are usually not detected by subsurface geophysical methods. The aim of thi
Externí odkaz:
https://doaj.org/article/d5f526a4691d4b139b6356a5afdfb3be
Autor:
Valter Antonio Becegato, Rodoilton Stefanato, Francisco José Fonseca Ferreira, Jefferson Ulisses da Cunha, João Batista Pereira Cabral
Publikováno v:
Revista Geográfica Acadêmica, Vol 3, Iss 1, Pp 47-55 (2009)
RESUMOA presente pesquisa é oriunda de trabalhos geofísicos realizados para a Prefeitura Municipal de Saudade do Iguaçu no estado do Paraná-Brasil, objetivando obter a possível pluma de contaminação do depósito de lixo desativado do referido
Externí odkaz:
https://doaj.org/article/1f974c9ff1d64e1d87ddd372f52429a5
Autor:
Victor Miguel Oliveira Martin, Luizemara Soares Alves, Gilson Burigo Guimarães, Francisco José Fonseca Ferreira, Allan Fruchting, Horstpeter Herberto Gustavo José Ulbrich
Publikováno v:
Geologia USP. Série Científica, Vol 9, Iss 1, Pp 55-72 (2009)
Detailed mapping at the NW corner of the large Neoproterozoic Cunhaporanga Granitic Complex (CGC), Paraná state, SE Brazil, redefined the Joaquim Murtinho Granite (JMG), a late intrusion in CGC with an exposed area of about 10 km2, made up mainly by
Externí odkaz:
https://doaj.org/article/80768c91af2d4a688486117cf9a88e20
Autor:
Gilson Burigo Guimarães, Luizemara Soares Alves, Francisco José Fonseca Ferreira, Mabel Norma Costas Ulbrich, Horstpeter Herberto Gustavo José Ulbrich, Allan Fruchting
Publikováno v:
Geologia USP. Série Científica, Vol 9, Iss 1, Pp 33-53 (2009)
This contribution is part of a research project on the Neoproterozoic Cunhaporanga Granitic Complex (CGC), cropping out in thePonta Grossa Arch (Paraná state, SE Brazil). An initial study used the gamma-spectrometric data of the Serra do Mar Sul Aer
Externí odkaz:
https://doaj.org/article/692ea6fa20bd4688a6167d2f7eaa9773