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Brown Bluff - Tabarin Peninsula - Antarctica![]() Antarctica Brown Bluff Brown Bluff is a tuya located at the northern tip of the Antarctic Peninsula, Antarctica. It formed in the past 1 million years, which erupted subglacially within an englacial lake. The volcano's original diameter is thought to have been about 12-15 kilometers, and probably formed by a single vent. Brown Bluff is subdivided into four stages: pillow volcano, tuff cone, slope failure, and hyaloclastite delta and into five structural units. The volcano is named "Brown Bluff" because of its steep slopes and its brown-to-black hyaloclastite. All text is available under the terms of the GNU Free Documentation License (see Copyrights for details). About Wikipedia Disclaimers 2009
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