Constraining sulphur yields of trachytic and phonolitic volcanic eruptions: Tambora, Vesuvius, Laacher See and Campi Flegrei
Evolved alkaline magmas have fuelled renowned large explosive eruptions, including that of Tambora in 1815. Very high sulphur yields to the atmosphere have been suggested for some prominent phonolite–trachyte eruptions, influencing assessments of their potential climatic impacts. However, the implic...
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Académie des sciences
2024-12-01
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| Series: | Comptes Rendus. Géoscience |
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| Online Access: | https://comptes-rendus.academie-sciences.fr/geoscience/articles/10.5802/crgeos.276/ |
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| author | Scaillet, Bruno Oppenheimer, Clive Cioni, Raffaello Scaillet, Stephane Moussallam, Yves Prouteau, Gaelle Andujar, Joan |
| author_facet | Scaillet, Bruno Oppenheimer, Clive Cioni, Raffaello Scaillet, Stephane Moussallam, Yves Prouteau, Gaelle Andujar, Joan |
| author_sort | Scaillet, Bruno |
| collection | DOAJ |
| description | Evolved alkaline magmas have fuelled renowned large explosive eruptions, including that of Tambora in 1815. Very high sulphur yields to the atmosphere have been suggested for some prominent phonolite–trachyte eruptions, influencing assessments of their potential climatic impacts. However, the implications of alkalinity on volatile abundances in melts remain only partially understood. Here, we draw on available petrological and thermodynamical constraints, accounting for uncertainty in pre-eruptive magma redox state, to quantify pre-eruptive sulphur budgets for several prominent phonolite–trachyte eruptions. We thereby calculate upper limits for suphur yields for the 13 kyr calBP Laacher See eruption (3–15 Tg S), the plinian component of the 39.85 ka Campanian Ignimbrite (2–9 Tg S), and the 1890 calBCE “Avellino” and 79 CE eruptions of Vesuvius. Our findings demonstrate that alkali-rich magmas do not outstrip dacite or rhyolite arc compositions in respect of sulphur abundance and can inform both climate modelling efforts and the search for the eruptions’ signatures in ice core records. |
| format | Article |
| id | doaj-art-ca1d748cefe94896b98aa22bda791546 |
| institution | Kabale University |
| issn | 1778-7025 |
| language | English |
| publishDate | 2024-12-01 |
| publisher | Académie des sciences |
| record_format | Article |
| series | Comptes Rendus. Géoscience |
| spelling | doaj-art-ca1d748cefe94896b98aa22bda7915462025-02-07T10:41:29ZengAcadémie des sciencesComptes Rendus. Géoscience1778-70252024-12-01356S110912610.5802/crgeos.27610.5802/crgeos.276Constraining sulphur yields of trachytic and phonolitic volcanic eruptions: Tambora, Vesuvius, Laacher See and Campi FlegreiScaillet, Bruno0https://orcid.org/0000-0003-1561-0226Oppenheimer, Clive1https://orcid.org/0000-0003-4506-7260Cioni, Raffaello2https://orcid.org/0000-0002-2526-9095Scaillet, Stephane3https://orcid.org/0000-0002-0731-3451 Moussallam, Yves4https://orcid.org/0000-0002-4707-8943Prouteau, Gaelle5Andujar, Joan6https://orcid.org/0000-0001-5988-0506ISTO, CNRS-Université d’Orléans-BRGM, 1a rue de la Férollerie, 45071, Orléans, FranceDepartment of Geography, University of Cambridge, Downing Place, Cambridge, CB2 3EN, UKEarth Sciences Dept., Universita di Firenze, Via La Pira 4 50121 Firenze, ItalyISTO, CNRS-Université d’Orléans-BRGM, 1a rue de la Férollerie, 45071, Orléans, FranceAmerican Museum of Natural History, Department of Earth and Planetary Sciences, NY 10024, New York, USA; Lamont-Doherty Earth Observatory, Columbia University, New York, USAISTO, CNRS-Université d’Orléans-BRGM, 1a rue de la Férollerie, 45071, Orléans, FranceISTO, CNRS-Université d’Orléans-BRGM, 1a rue de la Férollerie, 45071, Orléans, FranceEvolved alkaline magmas have fuelled renowned large explosive eruptions, including that of Tambora in 1815. Very high sulphur yields to the atmosphere have been suggested for some prominent phonolite–trachyte eruptions, influencing assessments of their potential climatic impacts. However, the implications of alkalinity on volatile abundances in melts remain only partially understood. Here, we draw on available petrological and thermodynamical constraints, accounting for uncertainty in pre-eruptive magma redox state, to quantify pre-eruptive sulphur budgets for several prominent phonolite–trachyte eruptions. We thereby calculate upper limits for suphur yields for the 13 kyr calBP Laacher See eruption (3–15 Tg S), the plinian component of the 39.85 ka Campanian Ignimbrite (2–9 Tg S), and the 1890 calBCE “Avellino” and 79 CE eruptions of Vesuvius. Our findings demonstrate that alkali-rich magmas do not outstrip dacite or rhyolite arc compositions in respect of sulphur abundance and can inform both climate modelling efforts and the search for the eruptions’ signatures in ice core records.https://comptes-rendus.academie-sciences.fr/geoscience/articles/10.5802/crgeos.276/EruptionSulphurLaacher SeeTamboraVesuviusCampi Flegrei |
| spellingShingle | Scaillet, Bruno Oppenheimer, Clive Cioni, Raffaello Scaillet, Stephane Moussallam, Yves Prouteau, Gaelle Andujar, Joan Constraining sulphur yields of trachytic and phonolitic volcanic eruptions: Tambora, Vesuvius, Laacher See and Campi Flegrei Comptes Rendus. Géoscience Eruption Sulphur Laacher See Tambora Vesuvius Campi Flegrei |
| title | Constraining sulphur yields of trachytic and phonolitic volcanic eruptions: Tambora, Vesuvius, Laacher See and Campi Flegrei |
| title_full | Constraining sulphur yields of trachytic and phonolitic volcanic eruptions: Tambora, Vesuvius, Laacher See and Campi Flegrei |
| title_fullStr | Constraining sulphur yields of trachytic and phonolitic volcanic eruptions: Tambora, Vesuvius, Laacher See and Campi Flegrei |
| title_full_unstemmed | Constraining sulphur yields of trachytic and phonolitic volcanic eruptions: Tambora, Vesuvius, Laacher See and Campi Flegrei |
| title_short | Constraining sulphur yields of trachytic and phonolitic volcanic eruptions: Tambora, Vesuvius, Laacher See and Campi Flegrei |
| title_sort | constraining sulphur yields of trachytic and phonolitic volcanic eruptions tambora vesuvius laacher see and campi flegrei |
| topic | Eruption Sulphur Laacher See Tambora Vesuvius Campi Flegrei |
| url | https://comptes-rendus.academie-sciences.fr/geoscience/articles/10.5802/crgeos.276/ |
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