Brown Bluff (IV) Brown Bluff (IV) / / gallery 
20171207aq20
Standing on the beach under the cliffs of Brown Bluff. The former volcano's original diameter is thought to have been about 12-15km, probably formed by a single vent. It is named Brown Bluff due to its steep slopes and its brown-to-black hyaloclastite (rapidly-cooled lava due to ice).
LOCATION: Antarctic Peninsula
DATE: Thu, 07/12/2017
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