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Glaciation
01
glaciation, période glaciaire
the geological process involving the expansion and movement of glaciers, shaping landscapes through erosion, deposition, and the formation of distinctive glacial landforms
Exemples
The Great Lakes were formed during past glaciation periods when massive ice sheets shaped the landscape.
Les Grands Lacs se sont formés durant les périodes de glaciation passées lorsque d'immenses nappes glaciaires ont façonné le paysage.
Glacial striations on bedrock surfaces provide evidence of the direction of ice flow during glaciation.
Les stries glaciaires sur les surfaces rocheuses fournissent des preuves de la direction de l'écoulement de la glace pendant la glaciation.
02
the state or condition of a region being covered by glaciers or ice as a result of glacial activity
Exemples
The valley 's glaciation persisted for thousands of years.
Glaciation left thick ice sheets across the landscape.
Arbre Lexical
glaciation
glaciate
glace
