I'm Dr. Swetha Venugopal, a recent graduate from Simon Fraser University in Vancouver, Canada and Laboratoire Magmas et Volcans in Clermont-Ferrand, France.
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Magmatic Sources to Volcanic Gas Emissions: Insight from the Garibaldi Volcanic Belt, Western Canada
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Melt inclusion vapour bubbles: the hidden reservoir for major and volatile elements
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Olivine-hosted melt inclusions (MIs) provide samples of magmatic liquids and their dissolved volatiles from deep within the plumbing system. Inevitable post-entrapment modifications can lead to significant compositional changes in the glass and/or any contained bubbles.
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Did you know that volcanoes can be connected at depth? In this paper, I used olivine-hosted melt inclusions to show that one of the most active volcanoes in Nicaragua, Cerro Negro, shares its plumbing system with the neighbouring, and dormant, volcano, Las Pilas-El Hoyo.
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Not many people know that Canada has volcanoes too! Extending northwards from the High Cascades Arc, the Garibaldi Volcanic Belt exhibits a unique along-arc trend in its magmatic source.
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