Volcanic signature of Basin and Range extension on the shrinking Cascade arc, Klamath Falls-Keno area, Oregon

Detailed geologic mapping of the Klamath Falls‐Keno area revealed the complex relationship between subduction, crustal extension, and magmatic composition of the southern Oregon Cascade volcanic arc. Volcanism in the study area at ~7–4 Ma consisted of calc‐alkaline basaltic andesite and andesite lav...

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