IAVCEI Field Trip C7: Columbia River flood basalts, associated rhyolites, and diverse post-plume volcanism in eastern Oregon
Interested in co-genetic rhyolites of Columbia River flood basalts or volcanism immediately post-dating? Then this trip is for YOU.
We invite you to participate in this four-day, post-conference geologic excursion that will explore the stratigraphic and geochemical relationships between flood basalts and coeval rhyolites as well as compositionally diverse volcanic rocks that immediately postdate the main flood basalt units in eastern Oregon. Highlights include traversing the “great flows” of the CRBG, rhyolites of the Lake Owhyee volcanic field (e.g. thick intra-caldera tuffs of the Mahogany Mountain caldera and flow units of the widespread Dinner Creek Tuff), CRBG vent complexes, spectacularly exposed bimodal (rhyolite-basalt) sequences including ‘Snake River-type’ rhyolites, and much more— including observing the total solar eclipse on the morning of the third day, August 21st.
The cost is $500/person including transportation, lodging, continental breakfasts, lunches, and dinner on the second evening. For any question email Martin Streck at streckm@xxxxxxx
Volcano Listserv is a collaborative venture among Arizona State University (ASU), Portland State University (PSU), the Global Volcanism Program (GVP) of the Smithsonian Institution's National Museum of Natural History, and the International Association for Volcanology and Chemistry of the Earth's Interior (IAVCEI).
ASU - http://www.asu.edu/ PSU - http://pdx.edu/ GVP - http://www.volcano.si.edu/ IAVCEI - http://www.iavcei.org/
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