El Volcán Nevado del Huila (Colombia): rasgos generales y caracterización composicional

Nevado del Huila Volcano (VNH), the highest volcano of the colombian Andes (5360m) has be en relatively inactive for a long time, may be since prehistoric times because there is no historical record of volcanic activity. This continental margin volcano zone belongs to the volcanic ridge associated t...

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Authors: Correa, A.Mª., Cepeda, H., Pulgarin, B., Ancochea Soto, Eumenio
Format: article
Publication Date:2000
Country:España
Institution:Universidad Complutense de Madrid (UCM)
Repository:Docta Complutense
Language:Spanish
OAI Identifier:oai:docta.ucm.es:20.500.14352/58284
Online Access:https://hdl.handle.net/20.500.14352/58284
Access Level:Open access
Keyword:551.21(861)
552.3(861)
Volcano
Andesites
Andes
Nevado del Huila
Colombia
Petrología
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repository_id_str
spelling El Volcán Nevado del Huila (Colombia): rasgos generales y caracterización composicionalCorrea, A.Mª.Cepeda, H.Pulgarin, B.Ancochea Soto, Eumenio551.21(861)552.3(861)VolcanoAndesitesAndesNevado del HuilaColombiaPetrologíaNevado del Huila Volcano (VNH), the highest volcano of the colombian Andes (5360m) has be en relatively inactive for a long time, may be since prehistoric times because there is no historical record of volcanic activity. This continental margin volcano zone belongs to the volcanic ridge associated to the subduction of the Nazca Plate beneath the South American Plate. VNH has been generally classified as stratovolcano with predominant effusive activity. However the recent discovery of new pyroclastic deposits identified by the authors, suggest that VNH had more than one explosive episode in past time. The lavas ofVNH are typical andesites of active continental margin, belonging to calcoalcaline series. Only a few of the these lavas are slightly tholeitic, all of them have a clear subalcaline tendency (Na20 + K20 < 8%) with a high to medium K20 contents varying between 7,5 - 3%.Sociedad Geológica de EspañaUniversidad Complutense de Madrid20002000-05-0120002000-05-01journal articlehttp://purl.org/coar/resource_type/c_6501info:eu-repo/semantics/articleapplication/pdfhttps://hdl.handle.net/20.500.14352/58284reponame:Docta Complutenseinstname:Universidad Complutense de Madrid (UCM)Españolspaopen accesshttp://purl.org/coar/access_right/c_abf2info:eu-repo/semantics/openAccessoai:docta.ucm.es:20.500.14352/582842026-06-02T12:44:21Z
dc.title.none.fl_str_mv El Volcán Nevado del Huila (Colombia): rasgos generales y caracterización composicional
title El Volcán Nevado del Huila (Colombia): rasgos generales y caracterización composicional
spellingShingle El Volcán Nevado del Huila (Colombia): rasgos generales y caracterización composicional
Correa, A.Mª.
551.21(861)
552.3(861)
Volcano
Andesites
Andes
Nevado del Huila
Colombia
Petrología
title_short El Volcán Nevado del Huila (Colombia): rasgos generales y caracterización composicional
title_full El Volcán Nevado del Huila (Colombia): rasgos generales y caracterización composicional
title_fullStr El Volcán Nevado del Huila (Colombia): rasgos generales y caracterización composicional
title_full_unstemmed El Volcán Nevado del Huila (Colombia): rasgos generales y caracterización composicional
title_sort El Volcán Nevado del Huila (Colombia): rasgos generales y caracterización composicional
dc.creator.none.fl_str_mv Correa, A.Mª.
Cepeda, H.
Pulgarin, B.
Ancochea Soto, Eumenio
author Correa, A.Mª.
author_facet Correa, A.Mª.
Cepeda, H.
Pulgarin, B.
Ancochea Soto, Eumenio
author_role author
author2 Cepeda, H.
Pulgarin, B.
Ancochea Soto, Eumenio
author2_role author
author
author
dc.contributor.none.fl_str_mv Universidad Complutense de Madrid
dc.subject.none.fl_str_mv 551.21(861)
552.3(861)
Volcano
Andesites
Andes
Nevado del Huila
Colombia
Petrología
topic 551.21(861)
552.3(861)
Volcano
Andesites
Andes
Nevado del Huila
Colombia
Petrología
description Nevado del Huila Volcano (VNH), the highest volcano of the colombian Andes (5360m) has be en relatively inactive for a long time, may be since prehistoric times because there is no historical record of volcanic activity. This continental margin volcano zone belongs to the volcanic ridge associated to the subduction of the Nazca Plate beneath the South American Plate. VNH has been generally classified as stratovolcano with predominant effusive activity. However the recent discovery of new pyroclastic deposits identified by the authors, suggest that VNH had more than one explosive episode in past time. The lavas ofVNH are typical andesites of active continental margin, belonging to calcoalcaline series. Only a few of the these lavas are slightly tholeitic, all of them have a clear subalcaline tendency (Na20 + K20 < 8%) with a high to medium K20 contents varying between 7,5 - 3%.
publishDate 2000
dc.date.none.fl_str_mv 2000
2000-05-01
2000
2000-05-01
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/20.500.14352/58284
url https://hdl.handle.net/20.500.14352/58284
dc.language.none.fl_str_mv Español
spa
language_invalid_str_mv Español
language spa
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 Sociedad Geológica de España
publisher.none.fl_str_mv Sociedad Geológica de España
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
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score 15,300724

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