Volcanic succession and feeder systems of acidic lava-domes of Serra Geral Formation in São Marcos-Antônio Prado region, South Brazil

Volcanic succession and feeder systems of acidic lava-domes of Serra Geral Formation in São Marcos-Antônio Prado region, South Brazil

In the São Marcos (RS) and Antonio Prado (RS), the Serra Geral Formation exposes at the base basalts of pahoehoe type, coveredby basalts of the ´a´ā type. The first succession was generated by a low rate of eruption in a closed flow system allowed the flow toreach distances > 100 km of the source...

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Bibliographic Details
Main Authors: Evandro Fernandes de Lima, Ruy Paulo Philipp, Gabriela Cioato Rizzon, Breno Leitão Waichel, Lucas de Magalhães May Rossetti
Format: Article
Language:English
Published: Universidade de São Paulo 2012-08-01
Series:Geologia USP. Série Científica
Subjects:
Pahoehoe
´a´ā
Large Igneous Provinces
Lava domes
Paraná-Etendeka Province.
Online Access:http://ppegeo.igc.usp.br/pdf/guspsc/v12n2/a04v12n2.pdf

Internet

http://ppegeo.igc.usp.br/pdf/guspsc/v12n2/a04v12n2.pdf

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