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Instituto de Investigação
em Vulcanologia e Avaliação de Riscos
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Painéis ► em encontros internacionais

 

Referência Bibliográfica


GASPAR, J.L., QUEIROZ, G. (2002) - Morphometric analysis of scoria cones from Graciosa Island (Azores). “3ª Assembleia Hispano-Portuguesa de Geodesia e Geofísica”. Espanha, Valência, 4 - 8 de Fevereiro (Poster).

Resumo


Scoria cones are the most abundant volcanic edifices at Graciosa Island. Their occurrence defines a volcanic platform field on the northwest part of the island and some volcanic ridge fields on the central massifs.
 
Morphometric parameters for almost 30 scoria cones were measured and its relations investigated. This analysis emphasized that scoria cones height and basal diameter are strongly influenced by morphostructural and volcanological factors. Crater diameters depend from eruptive conditions and can be modified by post-eruptive tectonic events.

Observações


Anexos