Zobrazeno 1 - 10
of 99
pro vyhledávání: '"Carlos Alberto Rosière"'
The orosirian-statherian sequence and transpressive geometry in Santa Maria de Itabira, Minas Gerais
Autor:
Ricardo Pagung de Carvalho, Carlos Alberto Rosière, Vassily Khoury Rolim, Cristiano de Carvalho Lana, João Orestes Schneider Santos
Publikováno v:
Geologia USP. Série Científica, Vol 14, Iss 2, Pp 111-120 (2014)
The metasedimentary rocks cropping out in the surroundings of the township of Santa Maria de Itabira (MG), comprise Orosirian quartzites herein informally named Pedra Branca Quartzite and the Statherian banded iron formation bearing sequences at th
Externí odkaz:
https://doaj.org/article/10738e8c146b41be9ecb66ae335d5a2a
Autor:
Julio Carlos Destro Sanglard, Carlos Alberto Rosière, João Orestes Schneider Santos, Neil Jesse McNaughton, Ian Robert Fletcher
Publikováno v:
Geologia USP. Série Científica, Vol 14, Iss 1, Pp 81-95 (2014)
The structure of western Serra do Curral, Quadrilátero Ferrífero, represents the partial exposure of a syncline that verges to NNW – Piedade Syncline. This regional structure has parasitic folds denominated as B1A which are refolded by folds B1B
Externí odkaz:
https://doaj.org/article/cc3ab01b428c4544a2de2df89238822b
Publikováno v:
Geologia USP. Série Científica, Vol 13, Iss 2, Pp 175-202 (2013)
The banded iron formation (BIF) hosted Bom Sucesso Metassedimentary Sequence (BSMS) is exposed in the southwestpart of the Quadrilátero Ferrífero, Minas Gerais. This sequence has normal stratigraphic stacking and comprises three units:the lower Lag
Externí odkaz:
https://doaj.org/article/ce4309a70b894e8bb5112cefd0e6d7d5
Autor:
Ricardo Pagung de Carvalho, Carlos Alberto Rosière, Vassily Khoury Rolim, Cristiano de Carvalho Lana, João Orestes Schneider Santos
Publikováno v:
Geologia USP. Série Científica, Vol 14, Iss 2 (2014)
As rochas metassedimentares, aflorantes no entorno da cidade de Santa Maria de Itabira (MG), compreendem quartzitos orosirianos, informalmente denominados de Unidade Quartzítica Serra da Pedra Branca, além da sequência estateriana portadora de for
Externí odkaz:
https://doaj.org/article/0562a3052c604dfd9ba29cbc87b6a212
Autor:
Julio Carlos Destro Sanglard, Carlos Alberto Rosière, João Orestes Schneider Santos, Neil Jesse McNaughton, Ian Robert Fletcher
Publikováno v:
Geologia USP. Série Científica, Vol 14, Iss 1 (2014)
O segmento oeste da Serra do Curral, Quadrilátero Ferrífero, representa a exposição parcial de um sinclinal vergente para NNW - Sinclinal Piedade. As dobras parasíticas dessa estrutura regional foram denominadas B1A e estão redobradas por dobra
Externí odkaz:
https://doaj.org/article/06f16c2c9dfc4292977c75f2d3407ab1
Publikováno v:
Geologia USP. Série Científica, Vol 13, Iss 2 (2013)
No extremo sudoeste do Quadrilátero Ferrífero, porção sul do Cinturão Mineiro, está exposta uma faixa de metassedimentos que contém formações ferríferas bandadas, denominada, neste estudo, como Sequência Metassedimentar Bom Sucesso. A sequ
Externí odkaz:
https://doaj.org/article/922cdd51691b4c049825122b987a9ce9
Autor:
Lucilia Aparecida Ramos de Oliveira, Carlos Alberto Rosière, Francisco Javier Rios, Sandra Andrade, Renato de Moraes
Publikováno v:
Brazilian Journal of Geology, Vol 45, Iss 2, Pp 193-216
Chemical signatures of iron oxides from dolomitic itabirite and high-grade iron ore from the Esperança deposit, located in the Quadrilátero Ferrífero, indicate that polycyclic processes involving changing of chemical and redox conditions are respo
Externí odkaz:
https://doaj.org/article/56aa2d5bbb534df592a12b2b4e296674
Autor:
Armando J. Massucatto, Wendell Fabricio-Silva, Carlos Alberto Rosière, Hartwig E. Frimmel, Maria Emília Shutesky
Publikováno v:
Economic Geology. 116:937-962
Against the background of an ongoing debate on the genetic relationship between orogenic gold and granitic magmatism, we studied the evolution of a gold-mineralizing system in shear zone-hosted veins that are spatially associated with a syn- to late
Autor:
Carlos Alberto Rosière, João Orestes Schneider Santos, Vassily Khoury Rolim, Ana-Sophie Hensler, F. Silveira Braga, Andrey Bekker
Publikováno v:
The Journal of Geology. 129:283-296
Large-scale, hypogene iron mineralization systems developed recurrently in the Sao Francisco craton in association with two orogenies. During the ca. 2.1–2.0 Ga Trans-Amazonian orogeny, low...