Abstract
The Twenty‐Sixth Annual Meeting of Pacific Northwest AGU was held in Bend, Oregon, September 17–18, 1979, attracting 101 papers and approximately 400 participants. A special symposium on volcanism included five topical sessions: Large Explosive Eruptions, Volatiles in Volcanism, Rates of Magma Supply and Ages of Volcanic Systems, Magma Mixing, and Glacier‐Volcano Interactions. Prior to and following formal sessions, field trips were taken to Columbia River Basalt‐Clarno and John Day formations (Swanson, Wright, Robinson); Medicine Lake Highlands (Donnelly‐Nolan, Eichelberger, Heiken, Fink); Newberry Volcano (Macleod, Chitwood, Sherrod); High Cascades (Ed Taylor); Christmas Lake Valley (Heiken, Fisher); Brothers Fault Zone‐Harney Basin (Walker, Nolf). Session summaries follow.
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