Positioned asymmetrically around the South Pole and largely south of the Antarctic Circle, Antarctica is the southernmost continent and is surrounded by the Southern Ocean; alternatively, it may be considered to be surrounded by the southern Pacific, Atlantic, and Indian Oceans, or by the southern waters of the World Ocean. There are a number of rivers and lakes in Antarctica, the longest river being the Onyx. The largest lake, Vostok, is one of the largest sub-glacial lakes in the world. Antarctica covers more than 14,000,000 km2 (5,400,000 sq mi),[1] making it the fifth-largest continent, about 1.3 times as large as Europe. The coastline measures 17,968 km (11,165 mi)[1] and is mostly characterized by ice formations, as the following chart shows:
Reference 1: Frequency.
Reference 2: Ice shelf (floating ice front), Ice walls (resting on ground), Ice stream/outlet glacier (ice front or ice wall), Rock and Total.
Source: http://en.wikipedia.org/wiki/Antarctica
Reference 2: Ice shelf (floating ice front), Ice walls (resting on ground), Ice stream/outlet glacier (ice front or ice wall), Rock and Total.
Source: http://en.wikipedia.org/wiki/Antarctica

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