This is the area of hundreds of depressions in the landscape formed by past glaciation.

The terrain contains many drumlins from past glaciation.

The landscape of today is not from mountain building but from the forces of erosion such as wind, water, and past glaciation.

The range is mainly composed of dolerite and features evidence of past glaciation.

At the rear wall, local geologists discovered a record of the past three glaciations.

The landscape shows evidence of past glaciation.

Areas of study within glaciology include glacial history and the reconstruction of past glaciation.

Until recently, scientists who study past glaciations for clues to the future thought the present warm period was nearing its end.

However, freeze and thaw cycles influence landscapes outside areas of past glaciation.

He studied the evidence for past glaciations in Tasmania.