Geology of the Antarctic

The Antarctic tectonic plate is limited by the mid-ocean ridges in the southern parts of the Indian Ocean, South Atlantic and the Pacific. Continental Randen is passive, with no mountain building, etc. With the exception of approx. 2000 km of border with the South American plate that is an active plate boundary. Because of this location has not moved the Antarctic, in particular in relation to the South Pole since the breakup of the supercontinent Gondwanaland about. 250 million years ago.