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Recurring volcanic winters during the latest Cretaceous: Sulfur and fluorine budgets of Deccan Traps lavas
Abstract
Two events share the stage as main drivers of the Cretaceous-Paleogene mass extinction—Deccan Traps volcanism, and an asteroid impact recorded by the Chicxulub crater. We contribute to refining knowledge of the volcanic stressor by providing sulfur and fluorine budgets of Deccan lavas from the Western Ghats (India), which straddle the Cretaceous-Paleogene boundary. Volcanic fluorine budgets were variable (400 to 3000 parts per million) and probably sufficient to affect the environment, albeit only regionally. The highest sulfur budgets (up to 1800 parts per million) are recorded in Deccan lavas emplaced just prior (within 0.1 million years) to the extinction interval, whereas later basalts are generally sulfur-poor (up to 750 parts per million). Independent evidence suggests the Deccan flood basalts erupted in high-flux pulses. Our data suggest that volcanic sulfur degassing from such activity could have caused repeated short-lived global drops in temperature, stressing the ecosystems long before the bolide impact delivered its final blow at the end of the Cretaceous.
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![Fig. 4. S and F concentrations calculated for Deccan Traps melts in equilibrium with the analyzed clinopyroxenes. (A) Eruption rates for the WG Formations of the MDVP (1, 41) based on approximate duration (horizontal length) and eruptive volume calculated by Richards et al. (36). The volume of each formation is 103 km3. Cumulative volumes reported for Kalsubai and Lonavala Subgroups (details in data S4). Red curve: Global temperature change across the KPB as 60-point fast Fourier transform smoother through a compilation of benthic δ18O [‰ Vienna Pee Dee Belemnite (VPDB)] data (14). Curve plotted correlating magnetic reversals from (1, 14). Purple arrow: 40Ar/39Ar KPB age (66.016 ± 0.08/0.004 Ma) and highest probability stratigraphic position along WG (1, 2, 41). Blue dotted arrow: Probability of stratigraphic position of KPB age from (1, 2) according to (41). Green stapled arrow: U-Pb KPB age (66.016 ± 0.05/0.099 Ma) and its highest probability position along the WG (3, 24, 41). Red arrow: Astronomically calibrated KPB age (66.022 ± 0.040 Ma) (87), tied to the paleotemperature curve of (14). Magnetozones from (78). 40Ar/39Ar ages for magnetic reversals from (1). (B and C) Concentration of S (in parts per million) and F (in parts per million) in equilibrium melts calculated from clinopyroxene microanalyses (data S2). Concentrations are plotted per lava formation. Box-and-whiskers construction as in Fig. 2. Yellow horizontal bars in (B): Sulfur concentration at sulfide saturation (SCSS) calculated for each lava sample (46). SCSS values of different samples are plotted as stacked and centered on the formation of pertinence. We plotted (B) previously published S concentrations in melt inclusions in olivine and plagioclase from the MDVP (28), and S and F concentrations for Laki (Iceland), the Roza member of Columbia River Basalts (USA), and the Siberian Traps (20, 48–50) for comparison. We plotted (C) fluorine concentrations measured in oceanic island (OIB) and mid-ocean ridge basalts (MORB) (61).](/paper-figures/ae1cb005d6954f368cc655b54610abe0/recurring-volcanic-winters-during-the-latest-cretaceous-sulfur-and-fluorine-figure-4.jpg)
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“Also of interest is the observation that global benthic foraminifera δ13C start to shift toward heavier values at 66.07 Ma being synchronous with the Bushe Formation sulfur-rich lavas (30) just before the K/Pg boundary when Os isotope data start to shift as well.”
From Earth orbital rhythms links timing of Deccan trap volcanism phases and global climate change (2025) · cites this paper as [30]
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“Both observations indicate that major phases in the DT volcanism start with sulfur-rich eruptions, stressing the ecosystem locally (30) and, possibly, more globally (31).”
From Earth orbital rhythms links timing of Deccan trap volcanism phases and global climate change (2025) · cites this paper as [30]
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U-Pb constraints on pulsed eruption of the Deccan Traps across the end-Cretaceous mass extinction
Schoene, B., Eddy, M. P., Samperton, K. M., Keller, C. B., Keller, G., Adatte, T., & Khadri, S. F. R. (2019) · Science · doi:10.1126/science.aau2422 · Cited by 542
The eruptive tempo of Deccan volcanism in relation to the Cretaceous-Paleogene boundary
Sprain, C. J., Renne, P. R., Vanderkluysen, L., Pande, K., Self, S., & Mittal, T. (2019) · Science · doi:10.1126/science.aav1446 · Cited by 395
Self-citationAsteroid impact, not volcanism, caused the end-Cretaceous dinosaur extinction
Chiarenza, A. A., Farnsworth, A., Mannion, P. D., Lunt, D. J., Valdes, P. J., Morgan, J. V., & Allison, P. A. (2020) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.2006087117 · Cited by 228
Petersen, S. V., Dutton, A., & Lohmann, K. C. (2016) · Nature Communications · doi:10.1038/ncomms12079 · Cited by 210
Triggering of the largest Deccan eruptions by the Chicxulub impact
Richards, M. A., Alvarez, W., Self, S., Karlstrom, L., Renne, P. R., Manga, M., Sprain, C. J., Smit, J., Vanderkluysen, L., & Gibson, S. A. (2015) · Geological Society of America Bulletin · doi:10.1130/b31167.1 · Cited by 210
Self-citationMercury linked to Deccan Traps volcanism, climate change and the end-Cretaceous mass extinction
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Cited by
Earth orbital rhythms links timing of Deccan trap volcanism phases and global climate change
Westerhold, T., Dallanave, E., Penman, D., Schoene, B., Röhl, U., Gussone, N., & Kuroda, J. (2025) · Science Advances · doi:10.1126/sciadv.adr8584 · Cited by 17
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Self-citationKale, V. S., Upasani, D., Rajput, M., Dole, G., & Pillai, S. P. (2026) · Geological Society of America Bulletin · doi:10.1130/b38412.1 · Cited by 3
Metadata
- Authors
- Callegaro, S., Baker, D. R., Renne, P. R., Melluso, L., Geraki, K., Whitehouse, M. J., De Min, A., & Marzoli, A.
- Affiliations
- Centre for Earth Evolution and Dynamics, University of Oslo, Sem Sælands vei 2A, 0371 Oslo, Norway.
- Department of Earth and Planetary Sciences, McGill University, 3450 University St., Montreal, QC, Canada.
- Berkeley Geochronology Center, 2455 Ridge Road, Berkeley, CA 94709, USA.
- Dipartimento di Scienze della Terra, Ambiente e Risorse, University of Napoli Federico II, via Cintia 21, 80126 Napoli, Italy.
- Diamond Light Source, Harwell Science and Innovation Campus, Didcot OX11 0DE, UK.
- Swedish Museum of Natural History, Stockholm, Sweden.
- Department of Mathematics and Geoscience, University of Trieste, via Weiss 2, 34128 Trieste, Italy.
- Dipartimento Territorio e Sistemi Agro-Forestali, University of Padova, 35020 Legnaro, Italy.
- ORCID
- Venue
- Science Advances
- Published
- 2023-10-06
- Volume
- 9
- Issue
- 40
- ISSN
- 2375-2548
- PMC
- PMC10550224
- Cited by
- 31
- References
- 7
- Language
- en
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