New Data on mid-Miocene Rhyolite Volcanism in Eastern Oregon Extend Early, co-CRBG Rhyolite Flare up and Constrain Storage Sites of Grande Ronde Flood Basalts

Martin J Streck, Portland State University, Geology, Portland, OR, United States, Mark L Ferns, Eastern Oregon University, College of Arts and Sciences, La Grande, OR, United States and William C. McIntosh, New Mexico Institute Mining & Tech, Socorro, NM, United States
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