Newberry Location Map

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Figure 2. Generalized map of Newberry Volcano after Walker and MacLeod (1991). Physiographic abbreviations: CR = Cascade Range, HLP = High Lava Plains, BR = Basin and Range. Rhyolite isochrons show age progression of silicic volcanic rocks becoming younger to the northwest, across the High Lava Plains, towards the geothermally active Newberry caldera.

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