Glaciers are long-lasting bodies of ice with significant impacts on landscapes and geology.
A glacier is a long-lasting body of ice (decades or more) that is large enough (at least tens of meters) to move and flow due to its weight. Glaciers form through the accumulation of snow exceeding melting rates over time, resulting in compacted ice.
The features indicating past glacial presence include moraines, cirques, drumlins, and horns. Moraines are ridges of debris left by moving glaciers, cirques are bowl-shaped hollows, drumlins are elongated hills, and horns are sharp peaks formed by erosion.
Glaciers have impacted Earth's surface by creating diverse landscapes, such as sculpting sharp mountain peaks like the Torres del Paine. Understanding glacier formation and effects is essential in geology and environmental studies.
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