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Global Volcanism Program | Image GVP-06608

The broad forested area in the center of the photo, below the Big Valley Mountain fault scarp on the horizon, is a series of youthful lava flows erupted from Brushy Butte, a small low shield volcano barely distinguishable in this photo.  Big Lake, at the extreme right, was formed by numerous springs issuing from the margin of the basaltic lava flows.  This view from the SW is from the summit of Soldier Mountain. Photo by Lee Siebert, 1998 (Smithsonian Institution).

The broad forested area in the center of the photo, below the Big Valley Mountain fault scarp on the horizon, is a series of youthful lava flows erupted from Brushy Butte, a small low shield volcano barely distinguishable in this photo. Big Lake, at the extreme right, was formed by numerous springs issuing from the margin of the basaltic lava flows. This view from the SW is from the summit of Soldier Mountain.

Photo by Lee Siebert, 1998 (Smithsonian Institution).


Brushy Butte