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Spectral Emissivity of Phonolite Lava at High Temperature
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In: ISSN: 0196-2892 ; IEEE Transactions on Geoscience and Remote Sensing ; https://hal-insu.archives-ouvertes.fr/insu-03433900 ; IEEE Transactions on Geoscience and Remote Sensing, Institute of Electrical and Electronics Engineers, 2021, Accepted Manuscript, pp.1-15. ⟨10.1109/TGRS.2021.3104657⟩ (2021)
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Pre-eruptive conditions at satellite vent eruptions at Teide-Pico Viejo complex (Tenerife, Canary Islands)
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In: ISSN: 0024-4937 ; Lithos ; https://hal-insu.archives-ouvertes.fr/insu-03211846 ; Lithos, Elsevier, 2021, 396-397, pp.106193. ⟨10.1016/j.lithos.2021.106193⟩ (2021)
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Controls of magma chamber zonation on eruption dynamics and deposits stratigraphy: The case of El Palomar fallout succession (Tenerife, Canary Islands)
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In: ISSN: 0377-0273 ; Journal of Volcanology and Geothermal Research ; https://hal-insu.archives-ouvertes.fr/insu-02569124 ; Journal of Volcanology and Geothermal Research, Elsevier, 2020, 399, pp.106908. ⟨10.1016/j.jvolgeores.2020.106908⟩ (2020)
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Abstract:
International audience ; Anticipating volcanic eruptions at central volcanoes require knowing how magma chambers prepare for new eruptions. Pre-eruptive processes that occur in such magma chambers are recorded in the products of these eruptions, so their characterisation in terms of magma composition and physics offers the clues to understand past eruptions and predict future ones. Here, we study the very well preserved pyroclastic succession of El Palomar Member (712 ± 41 ka), in Las Cañadas caldera, Teide, Canary Islands. This deposit resulted from a single explosive eruption of a phonolitic magma that started with a sustained eruption column (sub-plinian or plinian) that formed a massive, 40 m thick non-welded fallout deposit, progressively changing into a lower intensity fire fountain that deposited a 25 m thick fallout succession of non-welded to strongly welded pumices. Stratigraphic and petrological data suggest that this eruption was related to a thermally-compositionally zoned and relatively shallow magma chamber in which the arrival of a hotter and more mafic magma rapidly triggered the eruption. The studied deposit shows how this zoned structure was maintained during the whole process, which allows one to reconstruct what happened during the eruption. Comparison of this eruption with the current situation at Teide volcano alerts on the potential rapid preparation for new eruptions in the case that sufficient phonolitic magma was available in the shallow plumbing system of this active volcano if new inputs of deeper magma take place.
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Keyword:
[SDU.STU.VO]Sciences of the Universe [physics]/Earth Sciences/Volcanology; El Palomar pumice fall; Eruption dynamics; Las Cañadas Edifice; Magma chamber zonation; Teide; Tenerife
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URL: https://hal-insu.archives-ouvertes.fr/insu-02569124
https://hal-insu.archives-ouvertes.fr/insu-02569124/document
https://doi.org/10.1016/j.jvolgeores.2020.106908
https://hal-insu.archives-ouvertes.fr/insu-02569124/file/1-s2.0-S0377027320301037-main.pdf
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Mechanisms controlling explosive-effusive transition of Teide-Pico Viejo complex dome eruptions
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In: EGU 2020 ; https://hal-insu.archives-ouvertes.fr/insu-02569982 ; EGU 2020, May 2020, Vienna, Austria. ⟨10.5194/egusphere-egu2020-199⟩ (2020)
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Mechanisms controlling explosive-effusive transition of Teide-Pico Viejo complex dome eruptions.
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In: EGU General Assembly 2020 ; https://hal.archives-ouvertes.fr/hal-03554446 ; EGU General Assembly 2020, May 2020, Online, France. ⟨10.5194/egusphere-egu2020-199⟩ (2020)
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Phonolites, s-solubility and sodalite-haüyne stability
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In: Geological Society of America (GSA2020) ; https://hal.archives-ouvertes.fr/hal-03043620 ; Geological Society of America (GSA2020), Oct 2020, United States, United States (2020)
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A radiography of Teide-Pico Viejo active volcanic complex, Tenerife, Canary Islands
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In: Geophysical Research Abstracts ; EGU General Assembly 2019 ; https://hal-insu.archives-ouvertes.fr/insu-02301534 ; EGU General Assembly 2019, Apr 2019, Vienne, Austria. pp.2019 - 18237 (2019)
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Toward accurate magma temperature determination: in situ direct emissivity measurements of phonolite Teide and Erebus volcanos
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In: EGU General Assembly 2019 ; https://hal-insu.archives-ouvertes.fr/insu-02301606 ; EGU General Assembly 2019, Apr 2019, Vienne, Austria. pp.2019 - 17168 (2019)
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A radiography of Teide-Pico Viejo active volcanic complex, Tenerife, Canary Islands
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In: 21st EGU General Assembly ; https://hal.archives-ouvertes.fr/hal-03554113 ; 21st EGU General Assembly, 2019, Vienne, Austria (2019)
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Toward accurate magma temperature determination: in situ direct emissivity measurements of phonolite Teide and Erebus volcanos
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In: 21st EGU General Assembly ; https://hal.archives-ouvertes.fr/hal-03554115 ; 21st EGU General Assembly, 2019, Vienne, Austria (2019)
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Megacrystals track magma convection between reservoir and surface
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In: ISSN: 0012-821X ; Earth and Planetary Science Letters ; https://hal-insu.archives-ouvertes.fr/insu-01124396 ; Earth and Planetary Science Letters, Elsevier, 2015, 413, pp.1-12. ⟨10.1016/j.epsl.2014.12.022⟩ (2015)
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Storage conditions and eruptive dynamics of central versus flank eruptions in volcanic islands: the case of Tenerife (Canary Islands, Spain)
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In: ISSN: 0377-0273 ; Journal of Volcanology and Geothermal Research ; https://hal-insu.archives-ouvertes.fr/insu-00827722 ; Journal of Volcanology and Geothermal Research, Elsevier, 2013, 260, pp.62-79. ⟨10.1016/j.jvolgeores.2013.05.004⟩ (2013)
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Relationships between pre-eruptive conditions and eruptive styles of phonolite-trachyte magmas
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In: ISSN: 0024-4937 ; Lithos ; https://hal-insu.archives-ouvertes.fr/insu-00705854 ; Lithos, Elsevier, 2012, 152 (1), pp.122-131. ⟨10.1016/j.lithos.2012.05.009⟩ (2012)
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Experimental Constraints on Parameters Controlling the Difference in the Eruptive Dynamic of Phonolitic Magmas: the case from Tenerife (Canary Islands)
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In: ISSN: 0022-3530 ; EISSN: 1460-2415 ; Journal of Petrology ; https://hal-insu.archives-ouvertes.fr/insu-00715847 ; Journal of Petrology, Oxford University Press (OUP), 2012, 53 (9), pp.1777-1806. ⟨10.1093/petrology/egs033⟩ (2012)
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| 15 |
Experimental Constraints on Parameters Controlling the Difference in the Eruptive Dynamics of Phonolitic Magmas: the Case of Tenerife (Canary Islands)
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Magma storage conditions of the last eruption of Teide volcano (Canary Islands, Spain)
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In: Bulletin of Volcanology / Bull Volcanic Eruptions ; https://hal-insu.archives-ouvertes.fr/insu-00447691 ; Bulletin of Volcanology / Bull Volcanic Eruptions, 2010, 72, pp.381-395. ⟨10.1007/s00445-009-0325-3⟩ (2010)
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