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dc.contributor.author
Norini, Gianluca
dc.contributor.author
Bustos, Emilce
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Arnosio, José Marcelo
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Baez, Walter Ariel
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Zuluaga, María Clara
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Roverato, Matteo
dc.date.available
2021-09-09T18:42:24Z
dc.date.issued
2020-02
dc.identifier.citation
Norini, Gianluca; Bustos, Emilce; Arnosio, José Marcelo; Baez, Walter Ariel; Zuluaga, María Clara; et al.; Unusual volcanic instability and sector collapse configuration at Chimpa volcano, central Andes; Elsevier Science; Journal of Volcanology and Geothermal Research; 393; 106807; 2-2020; 1-11
dc.identifier.issn
0377-0273
dc.identifier.uri
http://hdl.handle.net/11336/140035
dc.description.abstract
Upper Miocene Chimpa volcano is one of the largest stratovolcanoes of the back–arc region of the central Andes. The gentle–sloped volcano underwent previously unrecognized volcanic instability, consisting of ≈ 2 km3 mass– wasting processes and catastrophic sector collapse, whose characteristics have been identified by means of stratigraphy, geological mapping and structural analysis. The origin of instability at Chimpa can be attributed to tectonic faulting, hydrothermal alteration and overloading. These common promoting and triggering factors have produced an unusual configuration of the volcano gravitational instability, characterized by parallel landslide scars delimiting unstable sectors on eastern and western volcano flanks, with large toreva blocks sliding in opposite directions, perpendicular to the flow direction of a subsequent long–run out debris avalanche. Even if the style of such a complex volcanic instability has never been described before, its identification may be also useful to study volcano sector failures and mass–wasting deposits in other volcanoes worldwide.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier Science
dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
DEBRIS AVALANCHE
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TOREVA BLOCK
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VOLCANIC INSTABILITY
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VOLCANIC STRATIGRAPHY
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VOLCANOTECTONICS
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Vulcanología
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Ciencias de la Tierra y relacionadas con el Medio Ambiente
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CIENCIAS NATURALES Y EXACTAS
dc.title
Unusual volcanic instability and sector collapse configuration at Chimpa volcano, central Andes
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2021-09-07T13:57:01Z
dc.journal.volume
393
dc.journal.number
106807
dc.journal.pagination
1-11
dc.journal.pais
Países Bajos
dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Norini, Gianluca. Consiglio Nazionale delle Ricerche; Italia. Istituto di Geologia Ambientale e Geoingegneria; Italia
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Fil: Bustos, Emilce. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Salta. Instituto de Bio y Geociencias del NOA. Universidad Nacional de Salta. Facultad de Ciencias Naturales. Museo de Ciencias Naturales. Instituto de Bio y Geociencias del NOA; Argentina
dc.description.fil
Fil: Arnosio, José Marcelo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Salta. Instituto de Bio y Geociencias del NOA. Universidad Nacional de Salta. Facultad de Ciencias Naturales. Museo de Ciencias Naturales. Instituto de Bio y Geociencias del NOA; Argentina
dc.description.fil
Fil: Baez, Walter Ariel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Salta. Instituto de Bio y Geociencias del NOA. Universidad Nacional de Salta. Facultad de Ciencias Naturales. Museo de Ciencias Naturales. Instituto de Bio y Geociencias del NOA; Argentina
dc.description.fil
Fil: Zuluaga, María Clara. Servicio Geologico Colombiano.; Colombia
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Fil: Roverato, Matteo. Yachay Tech University; Ecuador
dc.journal.title
Journal of Volcanology and Geothermal Research
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.jvolgeores.2020.106807
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/abs/pii/S0377027319306377
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