Brown Bluff (II) Brown Bluff (II) / / gallery 
20171207aq16
Under the cliffs of Brown Bluff. Its signature shape is due to quickly cooling lava erupting under a glacier, piling up into a steep-sided hill, eventually emerging from the surviving ice and creating normal-looking lava flows that make a flat cap on top of the hill (known as a tuya).
LOCATION: Antarctic Peninsula
DATE: Thu, 07/12/2017
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