Focus on Sedimentary Environments

River system on an active stratovolcano

White River, Mount Hood, Oregon, USA

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Space Shuttle view
the volcano
summit area
upper valley
sediment transport
fluvial sediment

Mount Hood is an active stratovolcano which last erupted in the mid 1800s. The products of that and earlier eruptions are continuously reworked and transported downslope by active river processes and debris flows in the radiating valleys which dissect the lower slopes of the volcano.

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Page © ; last updated 13 August, 2013