Three late Neoproterozoic-early Paleozoic orogenic belts, East African Orogen, Prydz Belt and Ross Orogen, occur in East Antarctica.
在东南极大陆内部及边缘发育3条晚新元古代—早古生代造山带,即东非造山带(南延部分)、普里兹造山带和罗斯造山带。