Browsing by Subject "Degassing"

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Implications for Volcanic Hazards in the Central and Southern Cascades Based on Gas Emissions During Explosive Cinder Cone Activity

Walsh, Lucy (University of Oregon, 2013-07-11)

Volatile emissions from Cascades cinder cone eruptions have been well-documented; however the implications for understanding the effects that volcanic gases have on surrounding communities have not been addressed. This ...
The Plumbing Systems and Parental Magma Compositions of Shield Volcanoes in the Central Oregon High Cascades as Inferred from Melt Inclusion Data

Mordensky, Stanley (University of Oregon, 2012)

Long-lived and short-lived volcanic vents often form in close proximity to one another. However, the processes that distinguish between these volcano types remain unknown. Here, I investigate the differences of long-lived ...
The Depths and Locations of Magma Reservoirs and their Consequences for the Behavior of Sulfur and Volcanic Degassing

Lerner, Allan (University of Oregon, 2020-12-08)

Interpreting volcanic behavior is challenging because the phenomena controlling volcano eruptibility occur at substantial crustal depths. However, volcanic gases are a measurable surface expression of subterranean magmatic ...
Volatiles in basaltic magmas from central Mexico: From subduction to eruption

Johnson, Emily Renee (University of Oregon, 2008-06)

Volatiles, particularly H 2 O, play an important role in subduction zone magmatism, from instigating melting of the mantle wedge to influencing the explosivity of eruptions at the surface. To better understand both small-scale ...