Chlorine and fluorine partition coefficients and abundances in sub-arc mantle xenoliths (Kamchatka, Russia): Implications for melt generation and volatile recycling processes in subduction zones
Co-auteur étranger International audience We report chlorine (Cl) and fluorine (F) abundances in minerals, interstitial glasses, and melt inclusions in 12 andesite-hosted, spinel harzburgite xenoliths and crosscutting pyroxenite veins exhumed from the sub-arc lithospheric mantle beneath Avacha volca...
Published in: | Geochimica et Cosmochimica Acta |
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Main Authors: | , , , , , , |
Other Authors: | , , , , , , , , , , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
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HAL CCSD
2017
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Online Access: | https://hal.archives-ouvertes.fr/hal-01553610 https://doi.org/10.1016/j.gca.2016.10.035 |
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Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe) |
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English |
topic |
Fluorine Chlorine Subduction Partition coefficients peridotite Island-arc [SDU.STU.GC]Sciences of the Universe [physics]/Earth Sciences/Geochemistry [SDU.STU]Sciences of the Universe [physics]/Earth Sciences |
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Fluorine Chlorine Subduction Partition coefficients peridotite Island-arc [SDU.STU.GC]Sciences of the Universe [physics]/Earth Sciences/Geochemistry [SDU.STU]Sciences of the Universe [physics]/Earth Sciences Benard, A. Koga, K.T. Shimizu, N. Kendrick, M. a. IONOV, Dmitri Nebel, O. Arculus, R. j. Chlorine and fluorine partition coefficients and abundances in sub-arc mantle xenoliths (Kamchatka, Russia): Implications for melt generation and volatile recycling processes in subduction zones |
topic_facet |
Fluorine Chlorine Subduction Partition coefficients peridotite Island-arc [SDU.STU.GC]Sciences of the Universe [physics]/Earth Sciences/Geochemistry [SDU.STU]Sciences of the Universe [physics]/Earth Sciences |
description |
Co-auteur étranger International audience We report chlorine (Cl) and fluorine (F) abundances in minerals, interstitial glasses, and melt inclusions in 12 andesite-hosted, spinel harzburgite xenoliths and crosscutting pyroxenite veins exhumed from the sub-arc lithospheric mantle beneath Avacha volcano in the Kamchatka Arc (NE Russia). The data are used to calculate equilibrium mineral-melt partition coefficients (Dmineral/meltDmineral/melt) for Cl and F relevant to subduction-zone processes and unravel the history of volatile depletion and enrichment mechanisms in an arc setting.Chlorine is ∼100 times more incompatible in pyroxenes (View the MathML sourceDClmineral/melt = 0.005–0.008 [±0.002–0.003]) than F (View the MathML sourceDFmineral/melt = 0.50–0.57 [±0.21–0.24]), which indicates that partial melting of mantle sources leads to strong depletions in Cl relative to F in the residues. The data set in this study suggests a strong control of melt composition on View the MathML sourceDCl,Fpyroxene/melt, in particular H2O contents and Al/(Al + Si), which is in line with recent experiments. Fluorine is compatible in Ca-amphibole in the ‘wet’ sub-arc mantle (View the MathML sourceDFamphibole/melt = 3.5–3.7 [±1.5]) but not Cl (View the MathML sourceDClamphibole/melt = 0.03–0.05 [±0.01–0.03]), indicating that amphibole may fractionate F from Cl in the mantle wedge. The inter-mineral partition coefficients for Cl and F in this study are consistent amongst different harzburgite samples, whether they contain glass or not. In particular, disseminated amphibole hosts much of the Cl and F bulk rock budgets of spinel harzburgites (View the MathML sourceDClamphibole/pyroxene up to 14 and View the MathML sourceDFamphibole/pyroxene up to 40). Chlorine and fluorine are variably enriched (up to 1500 ppm Cl and 750 ppm F) in the parental arc picrite and boninite melts of primitive pyroxenite veins (and related melt inclusions) crosscutting spinel harzburgites.Based on the data in this study, the main inferences on the ... |
author2 |
Research School of Earth Sciences Canberra (RSES) Australian National University (ANU) Laboratoire Magmas et Volcans (LMV) Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement et la société-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Physique du Globe de Clermont-Ferrand (OPGC) Centre National de la Recherche Scientifique (CNRS)-Université Clermont Auvergne 2017-2020 (UCA 2017-2020 )-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université Clermont Auvergne 2017-2020 (UCA 2017-2020 )-Institut national des sciences de l'Univers (INSU - CNRS)-Université Clermont Auvergne 2017-2020 (UCA 2017-2020 )-Université Jean Monnet Saint-Étienne (UJM) Woods Hole Oceanographic Institution (WHOI) Géosciences Montpellier Institut national des sciences de l'Univers (INSU - CNRS)-Université de Montpellier (UM)-Université des Antilles (UA)-Centre National de la Recherche Scientifique (CNRS) Monash University Centre National de la Recherche Scientifique and Institut National des Sciences de l’Univers (PNP project, theme SEDI-TPS to D. A.) the Australian Research Council (DE120100513 to O. N. and DP120104240 to R. J. A and O. N.) ANR-10-LABX-0006,CLERVOLC,Clermont-Ferrand centre for research on volcanism(2010) ANR-16-IDEX-0001,CAP 20-25,CAP 20-25(2016) |
format |
Article in Journal/Newspaper |
author |
Benard, A. Koga, K.T. Shimizu, N. Kendrick, M. a. IONOV, Dmitri Nebel, O. Arculus, R. j. |
author_facet |
Benard, A. Koga, K.T. Shimizu, N. Kendrick, M. a. IONOV, Dmitri Nebel, O. Arculus, R. j. |
author_sort |
Benard, A. |
title |
Chlorine and fluorine partition coefficients and abundances in sub-arc mantle xenoliths (Kamchatka, Russia): Implications for melt generation and volatile recycling processes in subduction zones |
title_short |
Chlorine and fluorine partition coefficients and abundances in sub-arc mantle xenoliths (Kamchatka, Russia): Implications for melt generation and volatile recycling processes in subduction zones |
title_full |
Chlorine and fluorine partition coefficients and abundances in sub-arc mantle xenoliths (Kamchatka, Russia): Implications for melt generation and volatile recycling processes in subduction zones |
title_fullStr |
Chlorine and fluorine partition coefficients and abundances in sub-arc mantle xenoliths (Kamchatka, Russia): Implications for melt generation and volatile recycling processes in subduction zones |
title_full_unstemmed |
Chlorine and fluorine partition coefficients and abundances in sub-arc mantle xenoliths (Kamchatka, Russia): Implications for melt generation and volatile recycling processes in subduction zones |
title_sort |
chlorine and fluorine partition coefficients and abundances in sub-arc mantle xenoliths (kamchatka, russia): implications for melt generation and volatile recycling processes in subduction zones |
publisher |
HAL CCSD |
publishDate |
2017 |
url |
https://hal.archives-ouvertes.fr/hal-01553610 https://doi.org/10.1016/j.gca.2016.10.035 |
long_lat |
ENVELOPE(158.503,158.503,53.040,53.040) |
geographic |
Avacha |
geographic_facet |
Avacha |
genre |
Kamchatka |
genre_facet |
Kamchatka |
op_source |
ISSN: 0016-7037 EISSN: 0016-7037 Geochimica et Cosmochimica Acta https://hal.archives-ouvertes.fr/hal-01553610 Geochimica et Cosmochimica Acta, Elsevier, 2017, 199, pp.324-350. ⟨10.1016/j.gca.2016.10.035⟩ |
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info:eu-repo/semantics/altIdentifier/doi/10.1016/j.gca.2016.10.035 hal-01553610 https://hal.archives-ouvertes.fr/hal-01553610 doi:10.1016/j.gca.2016.10.035 |
op_doi |
https://doi.org/10.1016/j.gca.2016.10.035 |
container_title |
Geochimica et Cosmochimica Acta |
container_volume |
199 |
container_start_page |
324 |
op_container_end_page |
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1766051374309572608 |
spelling |
ftccsdartic:oai:HAL:hal-01553610v1 2023-05-15T16:59:10+02:00 Chlorine and fluorine partition coefficients and abundances in sub-arc mantle xenoliths (Kamchatka, Russia): Implications for melt generation and volatile recycling processes in subduction zones Benard, A. Koga, K.T. Shimizu, N. Kendrick, M. a. IONOV, Dmitri Nebel, O. Arculus, R. j. Research School of Earth Sciences Canberra (RSES) Australian National University (ANU) Laboratoire Magmas et Volcans (LMV) Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement et la société-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Physique du Globe de Clermont-Ferrand (OPGC) Centre National de la Recherche Scientifique (CNRS)-Université Clermont Auvergne 2017-2020 (UCA 2017-2020 )-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université Clermont Auvergne 2017-2020 (UCA 2017-2020 )-Institut national des sciences de l'Univers (INSU - CNRS)-Université Clermont Auvergne 2017-2020 (UCA 2017-2020 )-Université Jean Monnet Saint-Étienne (UJM) Woods Hole Oceanographic Institution (WHOI) Géosciences Montpellier Institut national des sciences de l'Univers (INSU - CNRS)-Université de Montpellier (UM)-Université des Antilles (UA)-Centre National de la Recherche Scientifique (CNRS) Monash University Centre National de la Recherche Scientifique and Institut National des Sciences de l’Univers (PNP project, theme SEDI-TPS to D. A.) the Australian Research Council (DE120100513 to O. N. and DP120104240 to R. J. A and O. N.) ANR-10-LABX-0006,CLERVOLC,Clermont-Ferrand centre for research on volcanism(2010) ANR-16-IDEX-0001,CAP 20-25,CAP 20-25(2016) 2017-02-15 https://hal.archives-ouvertes.fr/hal-01553610 https://doi.org/10.1016/j.gca.2016.10.035 en eng HAL CCSD Elsevier info:eu-repo/semantics/altIdentifier/doi/10.1016/j.gca.2016.10.035 hal-01553610 https://hal.archives-ouvertes.fr/hal-01553610 doi:10.1016/j.gca.2016.10.035 ISSN: 0016-7037 EISSN: 0016-7037 Geochimica et Cosmochimica Acta https://hal.archives-ouvertes.fr/hal-01553610 Geochimica et Cosmochimica Acta, Elsevier, 2017, 199, pp.324-350. ⟨10.1016/j.gca.2016.10.035⟩ Fluorine Chlorine Subduction Partition coefficients peridotite Island-arc [SDU.STU.GC]Sciences of the Universe [physics]/Earth Sciences/Geochemistry [SDU.STU]Sciences of the Universe [physics]/Earth Sciences info:eu-repo/semantics/article Journal articles 2017 ftccsdartic https://doi.org/10.1016/j.gca.2016.10.035 2021-11-07T03:49:42Z Co-auteur étranger International audience We report chlorine (Cl) and fluorine (F) abundances in minerals, interstitial glasses, and melt inclusions in 12 andesite-hosted, spinel harzburgite xenoliths and crosscutting pyroxenite veins exhumed from the sub-arc lithospheric mantle beneath Avacha volcano in the Kamchatka Arc (NE Russia). The data are used to calculate equilibrium mineral-melt partition coefficients (Dmineral/meltDmineral/melt) for Cl and F relevant to subduction-zone processes and unravel the history of volatile depletion and enrichment mechanisms in an arc setting.Chlorine is ∼100 times more incompatible in pyroxenes (View the MathML sourceDClmineral/melt = 0.005–0.008 [±0.002–0.003]) than F (View the MathML sourceDFmineral/melt = 0.50–0.57 [±0.21–0.24]), which indicates that partial melting of mantle sources leads to strong depletions in Cl relative to F in the residues. The data set in this study suggests a strong control of melt composition on View the MathML sourceDCl,Fpyroxene/melt, in particular H2O contents and Al/(Al + Si), which is in line with recent experiments. Fluorine is compatible in Ca-amphibole in the ‘wet’ sub-arc mantle (View the MathML sourceDFamphibole/melt = 3.5–3.7 [±1.5]) but not Cl (View the MathML sourceDClamphibole/melt = 0.03–0.05 [±0.01–0.03]), indicating that amphibole may fractionate F from Cl in the mantle wedge. The inter-mineral partition coefficients for Cl and F in this study are consistent amongst different harzburgite samples, whether they contain glass or not. In particular, disseminated amphibole hosts much of the Cl and F bulk rock budgets of spinel harzburgites (View the MathML sourceDClamphibole/pyroxene up to 14 and View the MathML sourceDFamphibole/pyroxene up to 40). Chlorine and fluorine are variably enriched (up to 1500 ppm Cl and 750 ppm F) in the parental arc picrite and boninite melts of primitive pyroxenite veins (and related melt inclusions) crosscutting spinel harzburgites.Based on the data in this study, the main inferences on the ... Article in Journal/Newspaper Kamchatka Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe) Avacha ENVELOPE(158.503,158.503,53.040,53.040) Geochimica et Cosmochimica Acta 199 324 350 |