Multi-stage chaotic magma mixing at Turrialba volcano
After a century of quiescence, Turrialba, a Quaternary stratovolcano in the Costa Rican Volcanic Front, started a new eruptive cycle in 2010 that is ongoing to this date (July 3rd, 2019). Violent eruptions began in 2014, producing columns of ash that reached 4 km above the summit of the volcano. Her...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
DeVitre, Charlotte L. [verfasserIn] |
|---|
| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2019transfer abstract |
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| Umfang: |
17 |
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| Übergeordnetes Werk: |
Enthalten in: Aromatic composition and potent odorants of the “specialty coffee” brew “Bourbon Pointu” correlated to its three trade classifications - Piccino, Sébastien ELSEVIER, 2014transfer abstract, an international journal on the geophysical, geochemical, petrological, economic and environmental aspects of volcanology and geothermal research, Amsterdam [u.a.] |
|---|---|
| Übergeordnetes Werk: |
volume:381 ; year:2019 ; day:1 ; month:09 ; pages:330-346 ; extent:17 |
| Links: |
|---|
| DOI / URN: |
10.1016/j.jvolgeores.2019.06.011 |
|---|
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ELV047391391 |
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| 520 | |a After a century of quiescence, Turrialba, a Quaternary stratovolcano in the Costa Rican Volcanic Front, started a new eruptive cycle in 2010 that is ongoing to this date (July 3rd, 2019). Violent eruptions began in 2014, producing columns of ash that reached 4 km above the summit of the volcano. Here we provide new major and trace element data from fresh, glassy fragments (basaltic to rhyolitic) and mineralogical data for feldspars, olivines, and pyroxenes from ash fallout collected from 2016 and 2017 eruptions. We investigate the composition of the magma replenishing the system as well as the different juvenile components involved in the latter phase of this renewed eruption cycle. We find a range of mafic to felsic compositions in every eruptive event sampled. Our new geochemical data, coupled with Monte Carlo binary mixing simulations, indicate that magmas at Turrialba volcano are influenced by the input of a back-arc-type, strongly high field strength element-enriched (20–60 ppm) component generated by decompression melting from subduction-driven corner-flow. Thermodynamic modeling using MELTS software suggests that fractional crystallization alone fails to explain the compositional range of Turrialba's eruptive products. We instead propose that a complex, multi-stage magma mixing process produced renewed activity at Turrialba based on the trace element variability, the dominant intermediate magmatic compositions observed, and the results of our multi-element mixing simulations. This mixing process occurs upon injection of new mantle-derived melts into Turrialba's fractionated magmatic reservoirs and is governed by chaotic dynamics induced by gradients in temperature and viscosity. | ||
| 520 | |a After a century of quiescence, Turrialba, a Quaternary stratovolcano in the Costa Rican Volcanic Front, started a new eruptive cycle in 2010 that is ongoing to this date (July 3rd, 2019). Violent eruptions began in 2014, producing columns of ash that reached 4 km above the summit of the volcano. Here we provide new major and trace element data from fresh, glassy fragments (basaltic to rhyolitic) and mineralogical data for feldspars, olivines, and pyroxenes from ash fallout collected from 2016 and 2017 eruptions. We investigate the composition of the magma replenishing the system as well as the different juvenile components involved in the latter phase of this renewed eruption cycle. We find a range of mafic to felsic compositions in every eruptive event sampled. Our new geochemical data, coupled with Monte Carlo binary mixing simulations, indicate that magmas at Turrialba volcano are influenced by the input of a back-arc-type, strongly high field strength element-enriched (20–60 ppm) component generated by decompression melting from subduction-driven corner-flow. Thermodynamic modeling using MELTS software suggests that fractional crystallization alone fails to explain the compositional range of Turrialba's eruptive products. We instead propose that a complex, multi-stage magma mixing process produced renewed activity at Turrialba based on the trace element variability, the dominant intermediate magmatic compositions observed, and the results of our multi-element mixing simulations. This mixing process occurs upon injection of new mantle-derived melts into Turrialba's fractionated magmatic reservoirs and is governed by chaotic dynamics induced by gradients in temperature and viscosity. | ||
| 700 | 1 | |a Gazel, Esteban |4 oth | |
| 700 | 1 | |a Allison, Chelsea M. |4 oth | |
| 700 | 1 | |a Soto, Gerardo |4 oth | |
| 700 | 1 | |a Madrigal, Pilar |4 oth | |
| 700 | 1 | |a Alvarado, Guillermo E. |4 oth | |
| 700 | 1 | |a Lücke, Oscar H. |4 oth | |
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10.1016/j.jvolgeores.2019.06.011 doi GBV00000000000694.pica (DE-627)ELV047391391 (ELSEVIER)S0377-0273(18)30570-5 DE-627 ger DE-627 rakwb eng 630 VZ 640 VZ 540 VZ 660 VZ 340 330 VZ 2 ssgn INTRECHT DE-1a fid 83.00 bkl DeVitre, Charlotte L. verfasserin aut Multi-stage chaotic magma mixing at Turrialba volcano 2019transfer abstract 17 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier After a century of quiescence, Turrialba, a Quaternary stratovolcano in the Costa Rican Volcanic Front, started a new eruptive cycle in 2010 that is ongoing to this date (July 3rd, 2019). Violent eruptions began in 2014, producing columns of ash that reached 4 km above the summit of the volcano. Here we provide new major and trace element data from fresh, glassy fragments (basaltic to rhyolitic) and mineralogical data for feldspars, olivines, and pyroxenes from ash fallout collected from 2016 and 2017 eruptions. We investigate the composition of the magma replenishing the system as well as the different juvenile components involved in the latter phase of this renewed eruption cycle. We find a range of mafic to felsic compositions in every eruptive event sampled. Our new geochemical data, coupled with Monte Carlo binary mixing simulations, indicate that magmas at Turrialba volcano are influenced by the input of a back-arc-type, strongly high field strength element-enriched (20–60 ppm) component generated by decompression melting from subduction-driven corner-flow. Thermodynamic modeling using MELTS software suggests that fractional crystallization alone fails to explain the compositional range of Turrialba's eruptive products. We instead propose that a complex, multi-stage magma mixing process produced renewed activity at Turrialba based on the trace element variability, the dominant intermediate magmatic compositions observed, and the results of our multi-element mixing simulations. This mixing process occurs upon injection of new mantle-derived melts into Turrialba's fractionated magmatic reservoirs and is governed by chaotic dynamics induced by gradients in temperature and viscosity. After a century of quiescence, Turrialba, a Quaternary stratovolcano in the Costa Rican Volcanic Front, started a new eruptive cycle in 2010 that is ongoing to this date (July 3rd, 2019). Violent eruptions began in 2014, producing columns of ash that reached 4 km above the summit of the volcano. Here we provide new major and trace element data from fresh, glassy fragments (basaltic to rhyolitic) and mineralogical data for feldspars, olivines, and pyroxenes from ash fallout collected from 2016 and 2017 eruptions. We investigate the composition of the magma replenishing the system as well as the different juvenile components involved in the latter phase of this renewed eruption cycle. We find a range of mafic to felsic compositions in every eruptive event sampled. Our new geochemical data, coupled with Monte Carlo binary mixing simulations, indicate that magmas at Turrialba volcano are influenced by the input of a back-arc-type, strongly high field strength element-enriched (20–60 ppm) component generated by decompression melting from subduction-driven corner-flow. Thermodynamic modeling using MELTS software suggests that fractional crystallization alone fails to explain the compositional range of Turrialba's eruptive products. We instead propose that a complex, multi-stage magma mixing process produced renewed activity at Turrialba based on the trace element variability, the dominant intermediate magmatic compositions observed, and the results of our multi-element mixing simulations. This mixing process occurs upon injection of new mantle-derived melts into Turrialba's fractionated magmatic reservoirs and is governed by chaotic dynamics induced by gradients in temperature and viscosity. Gazel, Esteban oth Allison, Chelsea M. oth Soto, Gerardo oth Madrigal, Pilar oth Alvarado, Guillermo E. oth Lücke, Oscar H. oth Enthalten in Elsevier Science Piccino, Sébastien ELSEVIER Aromatic composition and potent odorants of the “specialty coffee” brew “Bourbon Pointu” correlated to its three trade classifications 2014transfer abstract an international journal on the geophysical, geochemical, petrological, economic and environmental aspects of volcanology and geothermal research Amsterdam [u.a.] (DE-627)ELV017774535 volume:381 year:2019 day:1 month:09 pages:330-346 extent:17 https://doi.org/10.1016/j.jvolgeores.2019.06.011 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U FID-INTRECHT GBV_ILN_70 83.00 Volkswirtschaft: Allgemeines VZ AR 381 2019 1 0901 330-346 17 |
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10.1016/j.jvolgeores.2019.06.011 doi GBV00000000000694.pica (DE-627)ELV047391391 (ELSEVIER)S0377-0273(18)30570-5 DE-627 ger DE-627 rakwb eng 630 VZ 640 VZ 540 VZ 660 VZ 340 330 VZ 2 ssgn INTRECHT DE-1a fid 83.00 bkl DeVitre, Charlotte L. verfasserin aut Multi-stage chaotic magma mixing at Turrialba volcano 2019transfer abstract 17 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier After a century of quiescence, Turrialba, a Quaternary stratovolcano in the Costa Rican Volcanic Front, started a new eruptive cycle in 2010 that is ongoing to this date (July 3rd, 2019). Violent eruptions began in 2014, producing columns of ash that reached 4 km above the summit of the volcano. Here we provide new major and trace element data from fresh, glassy fragments (basaltic to rhyolitic) and mineralogical data for feldspars, olivines, and pyroxenes from ash fallout collected from 2016 and 2017 eruptions. We investigate the composition of the magma replenishing the system as well as the different juvenile components involved in the latter phase of this renewed eruption cycle. We find a range of mafic to felsic compositions in every eruptive event sampled. Our new geochemical data, coupled with Monte Carlo binary mixing simulations, indicate that magmas at Turrialba volcano are influenced by the input of a back-arc-type, strongly high field strength element-enriched (20–60 ppm) component generated by decompression melting from subduction-driven corner-flow. Thermodynamic modeling using MELTS software suggests that fractional crystallization alone fails to explain the compositional range of Turrialba's eruptive products. We instead propose that a complex, multi-stage magma mixing process produced renewed activity at Turrialba based on the trace element variability, the dominant intermediate magmatic compositions observed, and the results of our multi-element mixing simulations. This mixing process occurs upon injection of new mantle-derived melts into Turrialba's fractionated magmatic reservoirs and is governed by chaotic dynamics induced by gradients in temperature and viscosity. After a century of quiescence, Turrialba, a Quaternary stratovolcano in the Costa Rican Volcanic Front, started a new eruptive cycle in 2010 that is ongoing to this date (July 3rd, 2019). Violent eruptions began in 2014, producing columns of ash that reached 4 km above the summit of the volcano. Here we provide new major and trace element data from fresh, glassy fragments (basaltic to rhyolitic) and mineralogical data for feldspars, olivines, and pyroxenes from ash fallout collected from 2016 and 2017 eruptions. We investigate the composition of the magma replenishing the system as well as the different juvenile components involved in the latter phase of this renewed eruption cycle. We find a range of mafic to felsic compositions in every eruptive event sampled. Our new geochemical data, coupled with Monte Carlo binary mixing simulations, indicate that magmas at Turrialba volcano are influenced by the input of a back-arc-type, strongly high field strength element-enriched (20–60 ppm) component generated by decompression melting from subduction-driven corner-flow. Thermodynamic modeling using MELTS software suggests that fractional crystallization alone fails to explain the compositional range of Turrialba's eruptive products. We instead propose that a complex, multi-stage magma mixing process produced renewed activity at Turrialba based on the trace element variability, the dominant intermediate magmatic compositions observed, and the results of our multi-element mixing simulations. This mixing process occurs upon injection of new mantle-derived melts into Turrialba's fractionated magmatic reservoirs and is governed by chaotic dynamics induced by gradients in temperature and viscosity. Gazel, Esteban oth Allison, Chelsea M. oth Soto, Gerardo oth Madrigal, Pilar oth Alvarado, Guillermo E. oth Lücke, Oscar H. oth Enthalten in Elsevier Science Piccino, Sébastien ELSEVIER Aromatic composition and potent odorants of the “specialty coffee” brew “Bourbon Pointu” correlated to its three trade classifications 2014transfer abstract an international journal on the geophysical, geochemical, petrological, economic and environmental aspects of volcanology and geothermal research Amsterdam [u.a.] (DE-627)ELV017774535 volume:381 year:2019 day:1 month:09 pages:330-346 extent:17 https://doi.org/10.1016/j.jvolgeores.2019.06.011 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U FID-INTRECHT GBV_ILN_70 83.00 Volkswirtschaft: Allgemeines VZ AR 381 2019 1 0901 330-346 17 |
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10.1016/j.jvolgeores.2019.06.011 doi GBV00000000000694.pica (DE-627)ELV047391391 (ELSEVIER)S0377-0273(18)30570-5 DE-627 ger DE-627 rakwb eng 630 VZ 640 VZ 540 VZ 660 VZ 340 330 VZ 2 ssgn INTRECHT DE-1a fid 83.00 bkl DeVitre, Charlotte L. verfasserin aut Multi-stage chaotic magma mixing at Turrialba volcano 2019transfer abstract 17 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier After a century of quiescence, Turrialba, a Quaternary stratovolcano in the Costa Rican Volcanic Front, started a new eruptive cycle in 2010 that is ongoing to this date (July 3rd, 2019). Violent eruptions began in 2014, producing columns of ash that reached 4 km above the summit of the volcano. Here we provide new major and trace element data from fresh, glassy fragments (basaltic to rhyolitic) and mineralogical data for feldspars, olivines, and pyroxenes from ash fallout collected from 2016 and 2017 eruptions. We investigate the composition of the magma replenishing the system as well as the different juvenile components involved in the latter phase of this renewed eruption cycle. We find a range of mafic to felsic compositions in every eruptive event sampled. Our new geochemical data, coupled with Monte Carlo binary mixing simulations, indicate that magmas at Turrialba volcano are influenced by the input of a back-arc-type, strongly high field strength element-enriched (20–60 ppm) component generated by decompression melting from subduction-driven corner-flow. Thermodynamic modeling using MELTS software suggests that fractional crystallization alone fails to explain the compositional range of Turrialba's eruptive products. We instead propose that a complex, multi-stage magma mixing process produced renewed activity at Turrialba based on the trace element variability, the dominant intermediate magmatic compositions observed, and the results of our multi-element mixing simulations. This mixing process occurs upon injection of new mantle-derived melts into Turrialba's fractionated magmatic reservoirs and is governed by chaotic dynamics induced by gradients in temperature and viscosity. After a century of quiescence, Turrialba, a Quaternary stratovolcano in the Costa Rican Volcanic Front, started a new eruptive cycle in 2010 that is ongoing to this date (July 3rd, 2019). Violent eruptions began in 2014, producing columns of ash that reached 4 km above the summit of the volcano. Here we provide new major and trace element data from fresh, glassy fragments (basaltic to rhyolitic) and mineralogical data for feldspars, olivines, and pyroxenes from ash fallout collected from 2016 and 2017 eruptions. We investigate the composition of the magma replenishing the system as well as the different juvenile components involved in the latter phase of this renewed eruption cycle. We find a range of mafic to felsic compositions in every eruptive event sampled. Our new geochemical data, coupled with Monte Carlo binary mixing simulations, indicate that magmas at Turrialba volcano are influenced by the input of a back-arc-type, strongly high field strength element-enriched (20–60 ppm) component generated by decompression melting from subduction-driven corner-flow. Thermodynamic modeling using MELTS software suggests that fractional crystallization alone fails to explain the compositional range of Turrialba's eruptive products. We instead propose that a complex, multi-stage magma mixing process produced renewed activity at Turrialba based on the trace element variability, the dominant intermediate magmatic compositions observed, and the results of our multi-element mixing simulations. This mixing process occurs upon injection of new mantle-derived melts into Turrialba's fractionated magmatic reservoirs and is governed by chaotic dynamics induced by gradients in temperature and viscosity. Gazel, Esteban oth Allison, Chelsea M. oth Soto, Gerardo oth Madrigal, Pilar oth Alvarado, Guillermo E. oth Lücke, Oscar H. oth Enthalten in Elsevier Science Piccino, Sébastien ELSEVIER Aromatic composition and potent odorants of the “specialty coffee” brew “Bourbon Pointu” correlated to its three trade classifications 2014transfer abstract an international journal on the geophysical, geochemical, petrological, economic and environmental aspects of volcanology and geothermal research Amsterdam [u.a.] (DE-627)ELV017774535 volume:381 year:2019 day:1 month:09 pages:330-346 extent:17 https://doi.org/10.1016/j.jvolgeores.2019.06.011 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U FID-INTRECHT GBV_ILN_70 83.00 Volkswirtschaft: Allgemeines VZ AR 381 2019 1 0901 330-346 17 |
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10.1016/j.jvolgeores.2019.06.011 doi GBV00000000000694.pica (DE-627)ELV047391391 (ELSEVIER)S0377-0273(18)30570-5 DE-627 ger DE-627 rakwb eng 630 VZ 640 VZ 540 VZ 660 VZ 340 330 VZ 2 ssgn INTRECHT DE-1a fid 83.00 bkl DeVitre, Charlotte L. verfasserin aut Multi-stage chaotic magma mixing at Turrialba volcano 2019transfer abstract 17 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier After a century of quiescence, Turrialba, a Quaternary stratovolcano in the Costa Rican Volcanic Front, started a new eruptive cycle in 2010 that is ongoing to this date (July 3rd, 2019). Violent eruptions began in 2014, producing columns of ash that reached 4 km above the summit of the volcano. Here we provide new major and trace element data from fresh, glassy fragments (basaltic to rhyolitic) and mineralogical data for feldspars, olivines, and pyroxenes from ash fallout collected from 2016 and 2017 eruptions. We investigate the composition of the magma replenishing the system as well as the different juvenile components involved in the latter phase of this renewed eruption cycle. We find a range of mafic to felsic compositions in every eruptive event sampled. Our new geochemical data, coupled with Monte Carlo binary mixing simulations, indicate that magmas at Turrialba volcano are influenced by the input of a back-arc-type, strongly high field strength element-enriched (20–60 ppm) component generated by decompression melting from subduction-driven corner-flow. Thermodynamic modeling using MELTS software suggests that fractional crystallization alone fails to explain the compositional range of Turrialba's eruptive products. We instead propose that a complex, multi-stage magma mixing process produced renewed activity at Turrialba based on the trace element variability, the dominant intermediate magmatic compositions observed, and the results of our multi-element mixing simulations. This mixing process occurs upon injection of new mantle-derived melts into Turrialba's fractionated magmatic reservoirs and is governed by chaotic dynamics induced by gradients in temperature and viscosity. After a century of quiescence, Turrialba, a Quaternary stratovolcano in the Costa Rican Volcanic Front, started a new eruptive cycle in 2010 that is ongoing to this date (July 3rd, 2019). Violent eruptions began in 2014, producing columns of ash that reached 4 km above the summit of the volcano. Here we provide new major and trace element data from fresh, glassy fragments (basaltic to rhyolitic) and mineralogical data for feldspars, olivines, and pyroxenes from ash fallout collected from 2016 and 2017 eruptions. We investigate the composition of the magma replenishing the system as well as the different juvenile components involved in the latter phase of this renewed eruption cycle. We find a range of mafic to felsic compositions in every eruptive event sampled. Our new geochemical data, coupled with Monte Carlo binary mixing simulations, indicate that magmas at Turrialba volcano are influenced by the input of a back-arc-type, strongly high field strength element-enriched (20–60 ppm) component generated by decompression melting from subduction-driven corner-flow. Thermodynamic modeling using MELTS software suggests that fractional crystallization alone fails to explain the compositional range of Turrialba's eruptive products. We instead propose that a complex, multi-stage magma mixing process produced renewed activity at Turrialba based on the trace element variability, the dominant intermediate magmatic compositions observed, and the results of our multi-element mixing simulations. This mixing process occurs upon injection of new mantle-derived melts into Turrialba's fractionated magmatic reservoirs and is governed by chaotic dynamics induced by gradients in temperature and viscosity. Gazel, Esteban oth Allison, Chelsea M. oth Soto, Gerardo oth Madrigal, Pilar oth Alvarado, Guillermo E. oth Lücke, Oscar H. oth Enthalten in Elsevier Science Piccino, Sébastien ELSEVIER Aromatic composition and potent odorants of the “specialty coffee” brew “Bourbon Pointu” correlated to its three trade classifications 2014transfer abstract an international journal on the geophysical, geochemical, petrological, economic and environmental aspects of volcanology and geothermal research Amsterdam [u.a.] (DE-627)ELV017774535 volume:381 year:2019 day:1 month:09 pages:330-346 extent:17 https://doi.org/10.1016/j.jvolgeores.2019.06.011 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U FID-INTRECHT GBV_ILN_70 83.00 Volkswirtschaft: Allgemeines VZ AR 381 2019 1 0901 330-346 17 |
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10.1016/j.jvolgeores.2019.06.011 doi GBV00000000000694.pica (DE-627)ELV047391391 (ELSEVIER)S0377-0273(18)30570-5 DE-627 ger DE-627 rakwb eng 630 VZ 640 VZ 540 VZ 660 VZ 340 330 VZ 2 ssgn INTRECHT DE-1a fid 83.00 bkl DeVitre, Charlotte L. verfasserin aut Multi-stage chaotic magma mixing at Turrialba volcano 2019transfer abstract 17 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier After a century of quiescence, Turrialba, a Quaternary stratovolcano in the Costa Rican Volcanic Front, started a new eruptive cycle in 2010 that is ongoing to this date (July 3rd, 2019). Violent eruptions began in 2014, producing columns of ash that reached 4 km above the summit of the volcano. Here we provide new major and trace element data from fresh, glassy fragments (basaltic to rhyolitic) and mineralogical data for feldspars, olivines, and pyroxenes from ash fallout collected from 2016 and 2017 eruptions. We investigate the composition of the magma replenishing the system as well as the different juvenile components involved in the latter phase of this renewed eruption cycle. We find a range of mafic to felsic compositions in every eruptive event sampled. Our new geochemical data, coupled with Monte Carlo binary mixing simulations, indicate that magmas at Turrialba volcano are influenced by the input of a back-arc-type, strongly high field strength element-enriched (20–60 ppm) component generated by decompression melting from subduction-driven corner-flow. Thermodynamic modeling using MELTS software suggests that fractional crystallization alone fails to explain the compositional range of Turrialba's eruptive products. We instead propose that a complex, multi-stage magma mixing process produced renewed activity at Turrialba based on the trace element variability, the dominant intermediate magmatic compositions observed, and the results of our multi-element mixing simulations. This mixing process occurs upon injection of new mantle-derived melts into Turrialba's fractionated magmatic reservoirs and is governed by chaotic dynamics induced by gradients in temperature and viscosity. After a century of quiescence, Turrialba, a Quaternary stratovolcano in the Costa Rican Volcanic Front, started a new eruptive cycle in 2010 that is ongoing to this date (July 3rd, 2019). Violent eruptions began in 2014, producing columns of ash that reached 4 km above the summit of the volcano. Here we provide new major and trace element data from fresh, glassy fragments (basaltic to rhyolitic) and mineralogical data for feldspars, olivines, and pyroxenes from ash fallout collected from 2016 and 2017 eruptions. We investigate the composition of the magma replenishing the system as well as the different juvenile components involved in the latter phase of this renewed eruption cycle. We find a range of mafic to felsic compositions in every eruptive event sampled. Our new geochemical data, coupled with Monte Carlo binary mixing simulations, indicate that magmas at Turrialba volcano are influenced by the input of a back-arc-type, strongly high field strength element-enriched (20–60 ppm) component generated by decompression melting from subduction-driven corner-flow. Thermodynamic modeling using MELTS software suggests that fractional crystallization alone fails to explain the compositional range of Turrialba's eruptive products. We instead propose that a complex, multi-stage magma mixing process produced renewed activity at Turrialba based on the trace element variability, the dominant intermediate magmatic compositions observed, and the results of our multi-element mixing simulations. This mixing process occurs upon injection of new mantle-derived melts into Turrialba's fractionated magmatic reservoirs and is governed by chaotic dynamics induced by gradients in temperature and viscosity. Gazel, Esteban oth Allison, Chelsea M. oth Soto, Gerardo oth Madrigal, Pilar oth Alvarado, Guillermo E. oth Lücke, Oscar H. oth Enthalten in Elsevier Science Piccino, Sébastien ELSEVIER Aromatic composition and potent odorants of the “specialty coffee” brew “Bourbon Pointu” correlated to its three trade classifications 2014transfer abstract an international journal on the geophysical, geochemical, petrological, economic and environmental aspects of volcanology and geothermal research Amsterdam [u.a.] (DE-627)ELV017774535 volume:381 year:2019 day:1 month:09 pages:330-346 extent:17 https://doi.org/10.1016/j.jvolgeores.2019.06.011 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U FID-INTRECHT GBV_ILN_70 83.00 Volkswirtschaft: Allgemeines VZ AR 381 2019 1 0901 330-346 17 |
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Aromatic composition and potent odorants of the “specialty coffee” brew “Bourbon Pointu” correlated to its three trade classifications |
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After a century of quiescence, Turrialba, a Quaternary stratovolcano in the Costa Rican Volcanic Front, started a new eruptive cycle in 2010 that is ongoing to this date (July 3rd, 2019). Violent eruptions began in 2014, producing columns of ash that reached 4 km above the summit of the volcano. Here we provide new major and trace element data from fresh, glassy fragments (basaltic to rhyolitic) and mineralogical data for feldspars, olivines, and pyroxenes from ash fallout collected from 2016 and 2017 eruptions. We investigate the composition of the magma replenishing the system as well as the different juvenile components involved in the latter phase of this renewed eruption cycle. We find a range of mafic to felsic compositions in every eruptive event sampled. Our new geochemical data, coupled with Monte Carlo binary mixing simulations, indicate that magmas at Turrialba volcano are influenced by the input of a back-arc-type, strongly high field strength element-enriched (20–60 ppm) component generated by decompression melting from subduction-driven corner-flow. Thermodynamic modeling using MELTS software suggests that fractional crystallization alone fails to explain the compositional range of Turrialba's eruptive products. We instead propose that a complex, multi-stage magma mixing process produced renewed activity at Turrialba based on the trace element variability, the dominant intermediate magmatic compositions observed, and the results of our multi-element mixing simulations. This mixing process occurs upon injection of new mantle-derived melts into Turrialba's fractionated magmatic reservoirs and is governed by chaotic dynamics induced by gradients in temperature and viscosity. |
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After a century of quiescence, Turrialba, a Quaternary stratovolcano in the Costa Rican Volcanic Front, started a new eruptive cycle in 2010 that is ongoing to this date (July 3rd, 2019). Violent eruptions began in 2014, producing columns of ash that reached 4 km above the summit of the volcano. Here we provide new major and trace element data from fresh, glassy fragments (basaltic to rhyolitic) and mineralogical data for feldspars, olivines, and pyroxenes from ash fallout collected from 2016 and 2017 eruptions. We investigate the composition of the magma replenishing the system as well as the different juvenile components involved in the latter phase of this renewed eruption cycle. We find a range of mafic to felsic compositions in every eruptive event sampled. Our new geochemical data, coupled with Monte Carlo binary mixing simulations, indicate that magmas at Turrialba volcano are influenced by the input of a back-arc-type, strongly high field strength element-enriched (20–60 ppm) component generated by decompression melting from subduction-driven corner-flow. Thermodynamic modeling using MELTS software suggests that fractional crystallization alone fails to explain the compositional range of Turrialba's eruptive products. We instead propose that a complex, multi-stage magma mixing process produced renewed activity at Turrialba based on the trace element variability, the dominant intermediate magmatic compositions observed, and the results of our multi-element mixing simulations. This mixing process occurs upon injection of new mantle-derived melts into Turrialba's fractionated magmatic reservoirs and is governed by chaotic dynamics induced by gradients in temperature and viscosity. |
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After a century of quiescence, Turrialba, a Quaternary stratovolcano in the Costa Rican Volcanic Front, started a new eruptive cycle in 2010 that is ongoing to this date (July 3rd, 2019). Violent eruptions began in 2014, producing columns of ash that reached 4 km above the summit of the volcano. Here we provide new major and trace element data from fresh, glassy fragments (basaltic to rhyolitic) and mineralogical data for feldspars, olivines, and pyroxenes from ash fallout collected from 2016 and 2017 eruptions. We investigate the composition of the magma replenishing the system as well as the different juvenile components involved in the latter phase of this renewed eruption cycle. We find a range of mafic to felsic compositions in every eruptive event sampled. Our new geochemical data, coupled with Monte Carlo binary mixing simulations, indicate that magmas at Turrialba volcano are influenced by the input of a back-arc-type, strongly high field strength element-enriched (20–60 ppm) component generated by decompression melting from subduction-driven corner-flow. Thermodynamic modeling using MELTS software suggests that fractional crystallization alone fails to explain the compositional range of Turrialba's eruptive products. We instead propose that a complex, multi-stage magma mixing process produced renewed activity at Turrialba based on the trace element variability, the dominant intermediate magmatic compositions observed, and the results of our multi-element mixing simulations. This mixing process occurs upon injection of new mantle-derived melts into Turrialba's fractionated magmatic reservoirs and is governed by chaotic dynamics induced by gradients in temperature and viscosity. |
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Violent eruptions began in 2014, producing columns of ash that reached 4 km above the summit of the volcano. Here we provide new major and trace element data from fresh, glassy fragments (basaltic to rhyolitic) and mineralogical data for feldspars, olivines, and pyroxenes from ash fallout collected from 2016 and 2017 eruptions. We investigate the composition of the magma replenishing the system as well as the different juvenile components involved in the latter phase of this renewed eruption cycle. We find a range of mafic to felsic compositions in every eruptive event sampled. Our new geochemical data, coupled with Monte Carlo binary mixing simulations, indicate that magmas at Turrialba volcano are influenced by the input of a back-arc-type, strongly high field strength element-enriched (20–60 ppm) component generated by decompression melting from subduction-driven corner-flow. Thermodynamic modeling using MELTS software suggests that fractional crystallization alone fails to explain the compositional range of Turrialba's eruptive products. We instead propose that a complex, multi-stage magma mixing process produced renewed activity at Turrialba based on the trace element variability, the dominant intermediate magmatic compositions observed, and the results of our multi-element mixing simulations. This mixing process occurs upon injection of new mantle-derived melts into Turrialba's fractionated magmatic reservoirs and is governed by chaotic dynamics induced by gradients in temperature and viscosity.</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Gazel, Esteban</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Allison, Chelsea M.</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Soto, Gerardo</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Madrigal, Pilar</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Alvarado, Guillermo E.</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Lücke, Oscar H.</subfield><subfield code="4">oth</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">Enthalten in</subfield><subfield code="n">Elsevier Science</subfield><subfield code="a">Piccino, Sébastien ELSEVIER</subfield><subfield code="t">Aromatic composition and potent odorants of the “specialty coffee” brew “Bourbon Pointu” correlated to its three trade classifications</subfield><subfield code="d">2014transfer abstract</subfield><subfield code="d">an international journal on the geophysical, geochemical, petrological, economic and environmental aspects of volcanology and geothermal research</subfield><subfield code="g">Amsterdam [u.a.]</subfield><subfield code="w">(DE-627)ELV017774535</subfield></datafield><datafield tag="773" ind1="1" ind2="8"><subfield code="g">volume:381</subfield><subfield code="g">year:2019</subfield><subfield code="g">day:1</subfield><subfield code="g">month:09</subfield><subfield code="g">pages:330-346</subfield><subfield code="g">extent:17</subfield></datafield><datafield tag="856" ind1="4" ind2="0"><subfield code="u">https://doi.org/10.1016/j.jvolgeores.2019.06.011</subfield><subfield code="3">Volltext</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_USEFLAG_U</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_ELV</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SYSFLAG_U</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">FID-INTRECHT</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_ILN_70</subfield></datafield><datafield tag="936" ind1="b" ind2="k"><subfield code="a">83.00</subfield><subfield code="j">Volkswirtschaft: Allgemeines</subfield><subfield code="q">VZ</subfield></datafield><datafield tag="951" ind1=" " ind2=" "><subfield code="a">AR</subfield></datafield><datafield tag="952" ind1=" " ind2=" "><subfield code="d">381</subfield><subfield code="j">2019</subfield><subfield code="b">1</subfield><subfield code="c">0901</subfield><subfield code="h">330-346</subfield><subfield code="g">17</subfield></datafield></record></collection>
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