The geology, volcanic activity, and age of Bouvetøya, South Atlantic
International Symposium on the Activity of Oceanic Volcanoes. Ponta Delgada, 4-9 August 1980. The volcanic cone of Bouvetøya is built up of two formations. The older formation, of predominantly pyrodastic rocks which are typically hydrothermally altered, is overlain by a formation of mainly lava flo...
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ftunivacores:oai:repositorio.uac.pt:10400.3/4912 2023-05-15T15:45:56+02:00 The geology, volcanic activity, and age of Bouvetøya, South Atlantic Prestvik, Tore 1982-07 http://hdl.handle.net/10400.3/4912 eng eng Universidade dos Açores PRESTVIK, Tore (1982). The geology, volcanic activity, and age of Bouvetøya, South Atlantic. "Arquipélago. Série Ciências da Natureza", 3: 115-123. http://hdl.handle.net/10400.3/4912 openAccess Geology Volcanism article 1982 ftunivacores 2022-05-01T14:31:39Z International Symposium on the Activity of Oceanic Volcanoes. Ponta Delgada, 4-9 August 1980. The volcanic cone of Bouvetøya is built up of two formations. The older formation, of predominantly pyrodastic rocks which are typically hydrothermally altered, is overlain by a formation of mainly lava flows. The rocks present on the island constitute a transitional volcanic series. K/Ar dating indicates that surface rocks were formed as early as 1.4 Ma B.P. The rocks of Nyrøysa are 0.4-0.5 Ma, showing that this platform, which formed between 1955 and 1958, represents a landslide type deposit rather than a recent eruption as has previously been suggested by several workers. Various kinds of evidence suggest that the volcanic activity, or a cycle of activity, of Bvuvet0ya is now in a declining phase. info:eu-repo/semantics/publishedVersion Article in Journal/Newspaper Bouvetøya Repositório da Universidade dos Açores Bouvetøya ENVELOPE(3.358,3.358,-54.422,-54.422) Nyrøysa ENVELOPE(3.286,3.286,-54.410,-54.410) |
institution |
Open Polar |
collection |
Repositório da Universidade dos Açores |
op_collection_id |
ftunivacores |
language |
English |
topic |
Geology Volcanism |
spellingShingle |
Geology Volcanism Prestvik, Tore The geology, volcanic activity, and age of Bouvetøya, South Atlantic |
topic_facet |
Geology Volcanism |
description |
International Symposium on the Activity of Oceanic Volcanoes. Ponta Delgada, 4-9 August 1980. The volcanic cone of Bouvetøya is built up of two formations. The older formation, of predominantly pyrodastic rocks which are typically hydrothermally altered, is overlain by a formation of mainly lava flows. The rocks present on the island constitute a transitional volcanic series. K/Ar dating indicates that surface rocks were formed as early as 1.4 Ma B.P. The rocks of Nyrøysa are 0.4-0.5 Ma, showing that this platform, which formed between 1955 and 1958, represents a landslide type deposit rather than a recent eruption as has previously been suggested by several workers. Various kinds of evidence suggest that the volcanic activity, or a cycle of activity, of Bvuvet0ya is now in a declining phase. info:eu-repo/semantics/publishedVersion |
format |
Article in Journal/Newspaper |
author |
Prestvik, Tore |
author_facet |
Prestvik, Tore |
author_sort |
Prestvik, Tore |
title |
The geology, volcanic activity, and age of Bouvetøya, South Atlantic |
title_short |
The geology, volcanic activity, and age of Bouvetøya, South Atlantic |
title_full |
The geology, volcanic activity, and age of Bouvetøya, South Atlantic |
title_fullStr |
The geology, volcanic activity, and age of Bouvetøya, South Atlantic |
title_full_unstemmed |
The geology, volcanic activity, and age of Bouvetøya, South Atlantic |
title_sort |
geology, volcanic activity, and age of bouvetøya, south atlantic |
publisher |
Universidade dos Açores |
publishDate |
1982 |
url |
http://hdl.handle.net/10400.3/4912 |
long_lat |
ENVELOPE(3.358,3.358,-54.422,-54.422) ENVELOPE(3.286,3.286,-54.410,-54.410) |
geographic |
Bouvetøya Nyrøysa |
geographic_facet |
Bouvetøya Nyrøysa |
genre |
Bouvetøya |
genre_facet |
Bouvetøya |
op_relation |
PRESTVIK, Tore (1982). The geology, volcanic activity, and age of Bouvetøya, South Atlantic. "Arquipélago. Série Ciências da Natureza", 3: 115-123. http://hdl.handle.net/10400.3/4912 |
op_rights |
openAccess |
_version_ |
1766380611481632768 |