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Showing 1–4 of 4 results
Advanced filters: Author: Marc-Antoine Longpré Clear advanced filters

  • Mantle-sourced magmas erupted at hotspot volcanoes can provide clues to the sulphur cycle over geological timescales. In this work, sulphur isotopes were analysed in crystal-hosted inclusions entrapped at depth, and reveal the presence of post-Archaean recycled material in the Canary Island mantle.

    • Patrick Beaudry
    • Marc-Antoine Longpré
    • John Stix
    ResearchOpen Access
    Nature Communications
    Volume: 9, P: 1-12

  • Redox-driven sulfur speciation and incremental magma recharge modulate the sulfur emissions and climate impacts of large explosive eruptions, according to investigation of 1257 CE Mount Samalas eruption’s sulfur budget.

    • Shuo Ding
    • Marc-Antoine Longpré
    • Brian Monteleone
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-15

  • Volcanism at mid-ocean ridges is usually effusive, but some explosive eruptions have been documented. Measurement of the carbon dioxide content of lavas erupted at the Juan de Fuca Ridge, Pacific Ocean, indicate that elevated concentrations of carbon dioxide in the upper oceanic mantle could drive these explosive eruptions.

    • Christoph Helo
    • Marc-Antoine Longpré
    • John Stix
    Research
    Nature Geoscience
    Volume: 4, P: 260-263

  • The SiO2 contents of erupted volcanic melts are correlated with persistent seismic signals that accompany eruptions—volcanic tremor—and may represent an eruption monitoring tool, according to a study of volcanic ash glasses from Cumbre Vieja volcano.

    • Marc-Antoine Longpré
    • Samantha Tramontano
    • Jane H. Scarrow
    Research
    Nature Geoscience
    Volume: 18, P: 175-183