Consulta: subjectFacets:"Pseudokarst"
Registros recuperados: 1
Data/hora: 12/06/2024 13:51:45

Characterization and genesis of waterfalls of the Presidente Figueiredo region, Northeast State of Amazonas, Brazil
Provedor de dados: 42
Autores: NOGUEIRA,AFONSO C. R.; SARGES,ROSEANE R.
The waterfalls of the Presidente Figueiredo municipality represent a fascinating natural scenery of northeast state of Amazonas, northern Brazil. The falls, generally less than 10m high, are developed on siliciclastic rocks of the Nhamundá (Lower Silurian), and Manacapuru (Upper Silurian - Lower Devonian) formations. Morphological and structural analyses of these features indicate that most of them originated through Quaternary neotectonics and are installed in NE-trending normal fault escarpments. Waterfalls also developed within pseudokarstic features, but are less frequent. The origin of the Presidente Figueiredo waterfalls probably goes back to the Neogene, when the region was submitted to laterization processes associated with a humid climate and a...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Waterfalls; Western Amazon; Quaternary tectonics; Pseudokarst.
Ano: 2001
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652001000200012