Geology of Antarctica

Into the freezer: Cenozoic glaciation

Commonly associated with, and underlying, the Sirius Group is a striated pavement indicative of subglacial erosion. This surface occurs extensively on Roberts Massif at 85S and is known as the Shackleton Erosion Surface. Note also the crescentic gouge, top left, indicating ice movement from bottom to top.

« Previous  ·  Back to the thumbnails  ·  Next »