Volcanic evolution of São Vicente, Cape Verde Islands: The Praia Grande landslide

The island of São Vicente has undergone continuous volcanic activity from Pliocene to Pleistocene times. The earliest evidence of activity corresponds to some 9 million years ago when a submarine edifice of alkaline basaltic affinity had already started to develop. The island resulted from the growt...

ver descrição completa

Detalhes bibliográficos
Autores: Ancochea Soto, Eumenio, Huertas Coronel, María José, Hernán, F., Brandle, J.L.
Formato: artículo
Fecha de publicación:2010
País:España
Recursos:Universidad Complutense de Madrid (UCM)
Repositorio:Docta Complutense
Idioma:inglés
OAI Identifier:oai:docta.ucm.es:20.500.14352/44200
Acesso em linha:https://hdl.handle.net/20.500.14352/44200
Access Level:acceso abierto
Palavra-chave:551.21(665.8)
Cape Verde Islands
Dikes
Volcano evolution
Giant lateral
Collapse
Petrología
id ES_81397faf01bb6e5cf3e7e2baa42b774a
oai_identifier_str oai:docta.ucm.es:20.500.14352/44200
network_acronym_str ES
network_name_str España
repository_id_str
spelling Volcanic evolution of São Vicente, Cape Verde Islands: The Praia Grande landslideAncochea Soto, EumenioHuertas Coronel, María JoséHernán, F.Brandle, J.L.551.21(665.8)Cape Verde IslandsDikesVolcano evolutionGiant lateralCollapsePetrologíaThe island of São Vicente has undergone continuous volcanic activity from Pliocene to Pleistocene times. The earliest evidence of activity corresponds to some 9 million years ago when a submarine edifice of alkaline basaltic affinity had already started to develop. The island resulted from the growth of a single major edifice (the São Vicente Edifice) built up in several distinguishable growth stages. The early main stage occurred at 6.5 to 4.5 Ma giving rise to an edifice of about 10–12 km in radius and more than 2500 m in height whose centre was located south of the present city of Mindelo. Although the edifice in its earlier phase showed typical characteristics of a shield volcano (the Mindelo Formation) it adopted later on those of an ordinary composite volcano (the Madeiral–Monte Cara Formation). A giant landslide event, the Praia Grande landslide, destroyed the NE sector of the edifice and left a 10×12 km large depression that was successively refilled by nephelinitic lava flows and some associated carbonatites (the Monte Verde Formation, 4.5–3.1 Ma). The volcanic activity ceased about 3–2 Ma ago when the edifice started to be deeply eroded until disappearing about 90% of its total volume. Only in recent times (0.3 Ma) very scarce and local strombolian activity has been developed aside the São Vicente Edifice, in the eastern sector of the island.Elsevier Science PublishersUniversidad Complutense de Madrid20102010-01-0120102010-01-01journal articlehttp://purl.org/coar/resource_type/c_6501info:eu-repo/semantics/articleapplication/pdfhttps://hdl.handle.net/20.500.14352/44200reponame:Docta Complutenseinstname:Universidad Complutense de Madrid (UCM)Inglésengopen accesshttp://purl.org/coar/access_right/c_abf2info:eu-repo/semantics/openAccessoai:docta.ucm.es:20.500.14352/442002026-06-02T12:44:21Z
dc.title.none.fl_str_mv Volcanic evolution of São Vicente, Cape Verde Islands: The Praia Grande landslide
title Volcanic evolution of São Vicente, Cape Verde Islands: The Praia Grande landslide
spellingShingle Volcanic evolution of São Vicente, Cape Verde Islands: The Praia Grande landslide
Ancochea Soto, Eumenio
551.21(665.8)
Cape Verde Islands
Dikes
Volcano evolution
Giant lateral
Collapse
Petrología
title_short Volcanic evolution of São Vicente, Cape Verde Islands: The Praia Grande landslide
title_full Volcanic evolution of São Vicente, Cape Verde Islands: The Praia Grande landslide
title_fullStr Volcanic evolution of São Vicente, Cape Verde Islands: The Praia Grande landslide
title_full_unstemmed Volcanic evolution of São Vicente, Cape Verde Islands: The Praia Grande landslide
title_sort Volcanic evolution of São Vicente, Cape Verde Islands: The Praia Grande landslide
dc.creator.none.fl_str_mv Ancochea Soto, Eumenio
Huertas Coronel, María José
Hernán, F.
Brandle, J.L.
author Ancochea Soto, Eumenio
author_facet Ancochea Soto, Eumenio
Huertas Coronel, María José
Hernán, F.
Brandle, J.L.
author_role author
author2 Huertas Coronel, María José
Hernán, F.
Brandle, J.L.
author2_role author
author
author
dc.contributor.none.fl_str_mv Universidad Complutense de Madrid
dc.subject.none.fl_str_mv 551.21(665.8)
Cape Verde Islands
Dikes
Volcano evolution
Giant lateral
Collapse
Petrología
topic 551.21(665.8)
Cape Verde Islands
Dikes
Volcano evolution
Giant lateral
Collapse
Petrología
description The island of São Vicente has undergone continuous volcanic activity from Pliocene to Pleistocene times. The earliest evidence of activity corresponds to some 9 million years ago when a submarine edifice of alkaline basaltic affinity had already started to develop. The island resulted from the growth of a single major edifice (the São Vicente Edifice) built up in several distinguishable growth stages. The early main stage occurred at 6.5 to 4.5 Ma giving rise to an edifice of about 10–12 km in radius and more than 2500 m in height whose centre was located south of the present city of Mindelo. Although the edifice in its earlier phase showed typical characteristics of a shield volcano (the Mindelo Formation) it adopted later on those of an ordinary composite volcano (the Madeiral–Monte Cara Formation). A giant landslide event, the Praia Grande landslide, destroyed the NE sector of the edifice and left a 10×12 km large depression that was successively refilled by nephelinitic lava flows and some associated carbonatites (the Monte Verde Formation, 4.5–3.1 Ma). The volcanic activity ceased about 3–2 Ma ago when the edifice started to be deeply eroded until disappearing about 90% of its total volume. Only in recent times (0.3 Ma) very scarce and local strombolian activity has been developed aside the São Vicente Edifice, in the eastern sector of the island.
publishDate 2010
dc.date.none.fl_str_mv 2010
2010-01-01
2010
2010-01-01
dc.type.none.fl_str_mv journal article
http://purl.org/coar/resource_type/c_6501
dc.type.openaire.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv https://hdl.handle.net/20.500.14352/44200
url https://hdl.handle.net/20.500.14352/44200
dc.language.none.fl_str_mv Inglés
eng
language_invalid_str_mv Inglés
language eng
dc.rights.none.fl_str_mv open access
http://purl.org/coar/access_right/c_abf2
dc.rights.openaire.fl_str_mv info:eu-repo/semantics/openAccess
rights_invalid_str_mv open access
http://purl.org/coar/access_right/c_abf2
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Elsevier Science Publishers
publisher.none.fl_str_mv Elsevier Science Publishers
dc.source.none.fl_str_mv reponame:Docta Complutense
instname:Universidad Complutense de Madrid (UCM)
instname_str Universidad Complutense de Madrid (UCM)
reponame_str Docta Complutense
collection Docta Complutense
repository.name.fl_str_mv
repository.mail.fl_str_mv
_version_ 1869411958023782400
score 15,301603

Registos relacionados