Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The Antarctic Plate is a tectonic plate covering the continent of Antarctica and extending outward under the surrounding oceans. The Antarctic Plate has a boundary with the Nazca Plate, the South American Plate, the African Plate, the Indo- Australian Plate, the Scotia Plate and a divergent boundary with the Pacific Plate forming the Pacific- Antarctic Ridge.