The rocks that glaciers transport at their base scratch the underlying surface and create striations and deeper gouge marks that we call glacial grooves.
What is glaciers ?
The word "glacial" is also applied to chemical compounds that have a propensity to crystallize into ice at temperatures just below room temperature. Pure organic acids that are present in their pure and anhydrous form are where this type of phenomenon that results in the formation of ice-like crystals occurs.
What is glacial grooves?
Rock and sediment fragments are mixed into the ice as glaciers flow over land. The sole of the glacier, which is where the inclusions are, resembles a rough sandpaper that can scratch bedrock as a result of these inclusions.
Therefore, rocks that glaciers transport at their base scratch the underlying surface and create striations and deeper gouge marks that we call glacial grooves.
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