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The geographic definitions of a delta includes areas of water action such as an alluvial deposit at the end of a river as it empties into the sea, and a collection of minerals at the mouth of a tidal inlet.

Since there are no permanent rivers on Antarctica that empty into the sea -- 98% of the continent is covered with an ice sheet, and the tidal inlets to open lagoons are non-existent, there is no occurrence of a delta on the continent.

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10y ago

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