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Glaciation is the formation, movement and recession of glaciers. Glaciation was much more extensive in the past, when much of the world was covered in large, continental ... See More
Période géologique durant laquelle une région a été recouverte par des glaciers. (Les glaciations sont connues depuis le précambrien ; dans l'Europe alpine, elles on ... See More
The effects on land of ice sheets or glaciers that erode rocks and deposit the rock debris or glaciation - the process of covering the earth with glaciers or masses of ... See More