Artigo Acesso aberto Produção Nacional

O gnaisse facoidal: a mais carioca das rochas

2008; UNIVERSIDADE FEDERAL DO RIO DE JANEIRO; Volume: 31; Issue: 2 Linguagem: Inglês

10.11137/2008_2_9-22

ISSN

1982-3908

Autores

Kátia Leite Mansur, Ismar de Souza Carvalho, Carlos Fernando Moura Delphim, Emílio Velloso Barroso,

Tópico(s)

Linguistics and Language Studies

Resumo

The city of Rio de Janeiro is known by its natural beauties. The mountains and the sea make the city the postcard of Brazil. The sculpture of the carioca landscape is closely related to the augen gneiss, very resistant rock to the weathering and, for this reason, it stands out in the relief. It gives form for Sugar Loaf and Corcovado, for example. Augen gneiss was used in the construction of most of the historical buildings of the city, including museums and churches, many of them were built in the 19th century. It was used in the sculpture of ornaments, facades and frames of doors and windows. The exploitation of the augen gneiss was presented by Jean Baptiste Debret in his book "Voyage Pittoresque et Historique au Brésil". A picture of quarry is presented at Morro da Glória and describes the extraction method by slave labor. He informes that the augen gneiss is softer, less expensive and more easily exploited. It was destined, mainly, to the parts of the buildings that should be sculpted. This rock is still present in an important event of the history of the brazilian arts. Pedra do Sal, a stairway sculpted in the augen gneiss Downtown, was the place that African people met in the past to tell their histories, to do religious cults and to sing. In these meetings in Pedra do Sal samba was born

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