Recurring volcanic winters during the latest Cretaceous: Sulfur and fluorine budgets of Deccan Traps lavas

S Callegaro, DR Baker, PR Renne, L Melluso… - Science …, 2023 - science.org
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 …

A subduction influence on ocean ridge basalts outside the Pacific subduction shield

AY Yang, CH Langmuir, Y Cai, P Michael… - Nature …, 2021 - nature.com
The plate tectonic cycle produces chemically distinct mid-ocean ridge basalts and arc
volcanics, with the latter enriched in elements such as Ba, Rb, Th, Sr and Pb and depleted in …

[HTML][HTML] On the role of Earth's lithospheric mantle in global volatile cycles

SA Gibson, D McKenzie - Earth and Planetary Science Letters, 2023 - Elsevier
In whole-Earth models of volatile cycles the outflux from our planet's convecting mantle to its
surface via volcanoes, including those essential for life (eg C, H 2 O, S, F, Cl), is traditionally …

Sulfur isotope and trace element systematics in arc magmas: seeing through the degassing via a melt inclusion study of Kyushu Island volcanoes, Japan

M Kawaguchi, KT Koga, EF Rose-Koga… - Journal of …, 2022 - academic.oup.com
Sulfur is a minor element in magmas but one of the major volatile elements released in
volcanic systems, from the magma to the fluid phase upon ascent. Not only are sulfur gasses …

Covariation of slab tracers, volatiles, and oxidation during subduction initiation

M Brounce, MK Reagan, KA Kelley… - Geochemistry …, 2021 - Wiley Online Library
Subduction‐related lavas have higher Fe3+/∑ Fe than midocean ridge basalts (MORB).
Hypotheses for this offset include imprint from subducting slabs and differentiation in …

MAGLAB: A computing platform connecting geophysical signatures to melting processes in Earth's mantle

M Massuyeau, E Gardés, G Rogerie, S Aulbach… - Physics of the Earth and …, 2021 - Elsevier
Decompression melting of the upper mantle produces magmas and volcanism at the Earth's
surface. Experimental petrology demonstrates that the presence of CO 2 and H 2 O …

Hydrogen concentrations and He isotopes in olivine from ultramafic lamprophyres provide new constraints on a wet Tarim plume and Earth's deep water cycle

C Wang, Z Zhang, A Giuliani… - Journal of …, 2022 - Wiley Online Library
Water enters Earth's mantle via subduction of hydrated oceanic slab and largely returns to
the ocean‐atmosphere system through arc volcanism. However, the extent to which H2O is …

Development of major element proxies for magmatic H2O content in oceanic basalts

W Wang, L Chen, Y Dong, KA Kelley, F Chu, B Zhou… - Chemical …, 2022 - Elsevier
Abstract Analysis of H 2 O concentrations in quenched glass has enabled significant
improvements in our understanding of its role in mantle melting, magma differentiation …

Volatiles in olivine-hosted melt inclusions from a rejuvenated Oʻahu tephra: Degree of melting controls the primary melt CO2 content—And extent of H2O degassing …

OE Anderson, MG Jackson, J Dottin III, S Harðardóttir… - Chemical …, 2024 - Elsevier
Naturally glassy olivine-hosted melt inclusions from Tantalus Rift tephra, part of the Honolulu
Volcanic Series on Oʻahu, were analyzed to explore the volatile element concentrations …