Newer Drift The deposits that mark the maximum extent of the last (Devensian) glaciation. In the British Isles, a morphological distinction occurs between the more weathered drift to the south and the less weathered drift to the north. The boundaries between the less weathered Newer Drift and the Older Drift have been shown to be less distinct than was once supposed.

Newer Drift The deposits marking the maximum extent of the last (Devensian) glaciation. A morphological distinction occurs between the more-weathered drift to the south and the less-weathered drift to the north, in the British Isles. The boundaries between the less-weathered Newer Drift and the Older Drift have been shown to be less distinct than was once supposed.