 Silurian-Devonian rocks outcrop in the Transantarctic, Ellsworth and Pensacola Mountains, and include the Neptune Group, Horlick Formation, the Crashsite Quartzite, and the Taylor Group within the Beacon Supergroup.During the Late Paleozoic icehouse, Antarctica was positioned over the South Pole while connected with the rest of Pangea.Antarctica underwent submergence and glaciation, and up to 375 m of Carboniferous and Permian glaciogenic rocks were deposited.