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  • Schipper et al 2019 Caulle halogens Volcanica

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Halogen (Cl, F) release during explosive, effusive, and intrusive phases of the 2011 rhyolitic eruption at Cordón Caulle volcano (Chile)

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Halogen (Cl, F) release during explosive, effusive, and intrusive phases of the 2011 rhyolitic eruption at Cordón Caulle volcano (Chile). / Schipper, C. Ian; Castro, Jonathan; Kennedy, Ben; Christenson, Bruce; Aiuppa, Alessandro ; Alloway, Brent; Forte, Pablo; Seropian, Gilles ; Tuffen, Hugh.

In: Volcanica, Vol. 2, No. 1, 11.05.2019, p. 73-90.

Research output: Contribution to journalJournal articlepeer-review

Harvard

Schipper, CI, Castro, J, Kennedy, B, Christenson, B, Aiuppa, A, Alloway, B, Forte, P, Seropian, G & Tuffen, H 2019, 'Halogen (Cl, F) release during explosive, effusive, and intrusive phases of the 2011 rhyolitic eruption at Cordón Caulle volcano (Chile)', Volcanica, vol. 2, no. 1, pp. 73-90. https://doi.org/10.30909/vol.02.01.7390

APA

Schipper, C. I., Castro, J., Kennedy, B., Christenson, B., Aiuppa, A., Alloway, B., Forte, P., Seropian, G., & Tuffen, H. (2019). Halogen (Cl, F) release during explosive, effusive, and intrusive phases of the 2011 rhyolitic eruption at Cordón Caulle volcano (Chile). Volcanica, 2(1), 73-90. https://doi.org/10.30909/vol.02.01.7390

Vancouver

Author

Schipper, C. Ian ; Castro, Jonathan ; Kennedy, Ben ; Christenson, Bruce ; Aiuppa, Alessandro ; Alloway, Brent ; Forte, Pablo ; Seropian, Gilles ; Tuffen, Hugh. / Halogen (Cl, F) release during explosive, effusive, and intrusive phases of the 2011 rhyolitic eruption at Cordón Caulle volcano (Chile). In: Volcanica. 2019 ; Vol. 2, No. 1. pp. 73-90.

Bibtex

@article{39a88fa9ef3c424ea78e3f4cddbffd60,
title = "Halogen (Cl, F) release during explosive, effusive, and intrusive phases of the 2011 rhyolitic eruption at Cord{\'o}n Caulle volcano (Chile)",
abstract = "We investigate sulphur, chlorine and fluorine release during explosive, effusive and intrusive phases the 2011 Cord{\'o}n Caulle eruption, with a focus on halogen devolatilization. Petrological analysis shows halogen release to have been promoted by isobaric crystallization in slowly-cooled magma that was emplaced in a lava flow and sub-vent intrusion. Fluorine in particular mobilized only after extensive groundmass crystallization and incipient devitrification. By 2017, the gas emitted from vent-proximal fumaroles had hydrothermal compositions, with HCl/HF ratios decreasing with decreasing temperature. We estimate that the eruption could eventually emit up to 0.84 Mt of SO2, 6.3 Mt of HCl, and 1.9 Mt of HF, but only ~7% and ~2% of total HCl and HF were emitted during explosive phases, and significant halogens are yet to be released from the intrusion. Halogen devolatilization and its associated hazards can persist long after the cessation of rhyolite eruptions with complex magma emplacement mechanisms.",
author = "Schipper, {C. Ian} and Jonathan Castro and Ben Kennedy and Bruce Christenson and Alessandro Aiuppa and Brent Alloway and Pablo Forte and Gilles Seropian and Hugh Tuffen",
year = "2019",
month = may,
day = "11",
doi = "10.30909/vol.02.01.7390",
language = "English",
volume = "2",
pages = "73--90",
journal = "Volcanica",
issn = "2610-3540",
number = "1",

}

RIS

TY - JOUR

T1 - Halogen (Cl, F) release during explosive, effusive, and intrusive phases of the 2011 rhyolitic eruption at Cordón Caulle volcano (Chile)

AU - Schipper, C. Ian

AU - Castro, Jonathan

AU - Kennedy, Ben

AU - Christenson, Bruce

AU - Aiuppa, Alessandro

AU - Alloway, Brent

AU - Forte, Pablo

AU - Seropian, Gilles

AU - Tuffen, Hugh

PY - 2019/5/11

Y1 - 2019/5/11

N2 - We investigate sulphur, chlorine and fluorine release during explosive, effusive and intrusive phases the 2011 Cordón Caulle eruption, with a focus on halogen devolatilization. Petrological analysis shows halogen release to have been promoted by isobaric crystallization in slowly-cooled magma that was emplaced in a lava flow and sub-vent intrusion. Fluorine in particular mobilized only after extensive groundmass crystallization and incipient devitrification. By 2017, the gas emitted from vent-proximal fumaroles had hydrothermal compositions, with HCl/HF ratios decreasing with decreasing temperature. We estimate that the eruption could eventually emit up to 0.84 Mt of SO2, 6.3 Mt of HCl, and 1.9 Mt of HF, but only ~7% and ~2% of total HCl and HF were emitted during explosive phases, and significant halogens are yet to be released from the intrusion. Halogen devolatilization and its associated hazards can persist long after the cessation of rhyolite eruptions with complex magma emplacement mechanisms.

AB - We investigate sulphur, chlorine and fluorine release during explosive, effusive and intrusive phases the 2011 Cordón Caulle eruption, with a focus on halogen devolatilization. Petrological analysis shows halogen release to have been promoted by isobaric crystallization in slowly-cooled magma that was emplaced in a lava flow and sub-vent intrusion. Fluorine in particular mobilized only after extensive groundmass crystallization and incipient devitrification. By 2017, the gas emitted from vent-proximal fumaroles had hydrothermal compositions, with HCl/HF ratios decreasing with decreasing temperature. We estimate that the eruption could eventually emit up to 0.84 Mt of SO2, 6.3 Mt of HCl, and 1.9 Mt of HF, but only ~7% and ~2% of total HCl and HF were emitted during explosive phases, and significant halogens are yet to be released from the intrusion. Halogen devolatilization and its associated hazards can persist long after the cessation of rhyolite eruptions with complex magma emplacement mechanisms.

U2 - 10.30909/vol.02.01.7390

DO - 10.30909/vol.02.01.7390

M3 - Journal article

VL - 2

SP - 73

EP - 90

JO - Volcanica

JF - Volcanica

SN - 2610-3540

IS - 1

ER -