Search Results - "Robidoux, Philippe"
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Volatile Content Implications of Increasing Explosivity of the Strombolian Eruptive Style along the Fracture Opening on the NE Villarrica Flank: Minor Eruptive Centers in the Los Nevados Group 2
Published in Geosciences (Basel) (01-08-2021)“…Potential flank eruptions at the presently active Villarrica, Southern Andes Volcanic Zone (33.3–46 °S) require the drawing of a comprehensive scenario of…”
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3He/4He Signature of Magmatic Fluids from Telica (Nicaragua) and Baru (Panama) Volcanoes, Central American Volcanic Arc
Published in Applied sciences (22-04-2022)“…Constraining the magmatic 3He/4He signature of fluids degassed from a magmatic system is crucial for making inferences on its mantle source. This is especially…”
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The orientation of intra-arc crustal fault systems influences the copper budget of magmatic-hydrothermal fluids
Published in Communications earth & environment (02-09-2024)“…Some of the largest magmatic-hydrothermal copper ore deposits and deposit clusters are associated with arc-oblique fault systems. Whether this structural…”
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Along-arc, inter-arc and arc-to-arc variations in volcanic gas CO2/ST ratios reveal dual source of carbon in arc volcanism
Published in Earth-science reviews (01-05-2017)“…Some 300–600Tg of volatiles are globally vented each year by arc volcanism. Such arc gas emissions have contributed to past and present-day evolution of the…”
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New insights from plumbing system below composite mafic volcanoes: Post-glacial volatile contents and magmatic fluids from Villarrica magmas
Published in Lithos (01-12-2024)“…Villarrica volcano, in the southern Andes, is a composite mafic volcano whose persistent open-vent activity is punctuated by frequent Strombolian/Hawaiian…”
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Petrological and noble gas features of Lascar and Lastarria volcanoes (Chile): Inferences on plumbing systems and mantle characteristics
Published in Lithos (01-10-2020)“…Lascar (5592 m a.s.l.) and Lastarria (5697 m a.s.l.) are Chilean active stratovolcanoes located in the Central Volcanic Zone (CVZ; 16°S to 28°S) that have…”
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Shrinkage Bubbles: The C–O–H–S Magmatic Fluid System at San Cristóbal Volcano
Published in Journal of petrology (01-11-2018)Get full text
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Gas geothermometry, soil CO2 degassing, and heat release estimation to assess the geothermal potential of the Alpehue Hydrothermal Field (Sollipulli volcano, Southern Chile)
Published in Geothermics (01-09-2024)“…•Helium isotopes up to 7.9Ra are among the highest in the SVZ, showing mantle-derived fluids.•Soil CO2 flux > 3000 g m−2d−1 and temperatures up to 96 °C were…”
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Total CO2 output and carbon origin discharged from Rincón de Parangueo Maar (México)
Published in Journal of geochemical exploration (01-08-2020)“…A geochemical survey was carried out (May 2016) in the Rincón de Parangueo maar in Valle de Santiago, México. The challenge was to measure CO2 and CH4 fluxes…”
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Volatile contents of mafic-to-intermediate magmas at San Cristóbal volcano in Nicaragua
Published in Lithos (01-02-2017)“…San Cristóbal volcano in northwest Nicaragua is one of the most active basaltic–andesitic stratovolcanoes of the Central American Volcanic Arc (CAVA). Here we…”
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Along-arc, inter-arc and arc-to-arc variations in volcanic gas CO 2 /S T ratios reveal dual source of carbon in arc volcanism
Published in Earth-science reviews (01-05-2017)Get full text
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Geochemistry and volatile content of magmas feeding explosive eruptions at Telica volcano (Nicaragua)
Published in Journal of volcanology and geothermal research (15-07-2017)“…Telica volcano, in north-west Nicaragua, is a young stratovolcano of intermediate magma composition producing frequent Vulcanian to phreatic explosive…”
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Measurements of volcanic SO2 and CO2 fluxes by combined DOAS, Multi-GAS and FTIR observations: a case study from Turrialba and Telica volcanoes
Published in International journal of earth sciences : Geologische Rundschau (01-11-2014)“…Over the past few decades, substantial progress has been made to overcome the technical difficulties of continuously measuring volcanic SO 2 emissions…”
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Measurements of volcanic SO sub(2) and CO sub(2) fluxes by combined DOAS, Multi-GAS and FTIR observations: a case study from Turrialba and Telica volcanoes
Published in International journal of earth sciences : Geologische Rundschau (01-11-2014)“…Over the past few decades, substantial progress has been made to overcome the technical difficulties of continuously measuring volcanic SO sub(2) emissions…”
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