Pinnacles formed in Mazama pyroclastic flow deposit as erosion reve...
Detailed Description
Pinnacles formed in Mazama pyroclastic flow deposit as erosion revealed fumarole chimneys that formed shortly after 7,700 ka eruption released gas, Crater Lake.
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Related
Climactic Eruption of Mount Mazama formed Crater Lake
The climactic eruption of Mount Mazama devastated the terrain for tens of kilometers from the volcano, sent pyroclastic flows as far as 70 km (43 mi) down every valley heading on the volcano, and produced ash fall throughout much of the Pacific Northwest and parts of southern Canada.
Related
Climactic Eruption of Mount Mazama formed Crater Lake
The climactic eruption of Mount Mazama devastated the terrain for tens of kilometers from the volcano, sent pyroclastic flows as far as 70 km (43 mi) down every valley heading on the volcano, and produced ash fall throughout much of the Pacific Northwest and parts of southern Canada.