Glacial Landforms: UK Physical Landscapes: Geography: GCSE (9:1)

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Last updated 8:09 AM on 10/1/26
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18 Terms

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Glacial erosion landforms

Features formed by abrasion and plucking.

<p>Features formed by abrasion and plucking.</p>
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Corries

Large, hollowed-out depressions found on the upper slopes of glaciated valleys. The features of Corries include a steep back wall and a raised lip at the front.

<p>Large, hollowed-out depressions found on the upper slopes of glaciated valleys. The features of Corries include a steep back wall and a raised lip at the front.</p>
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Tarn

Small mountain lake or pool formed in a corrie.

<p>Small mountain lake or pool formed in a corrie.</p>
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Arete

A narrow, knifelike ridge separating two adjacent glaciated valleys.

<p>A narrow, knifelike ridge separating two adjacent glaciated valleys.</p>
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Pyramidal Peak

Where several corries cut back to meet at a central point, the mountain takes the form of a steep pyramid.

<p>Where several corries cut back to meet at a central point, the mountain takes the form of a steep pyramid.</p>
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Truncated spur

An eroded interlocking spur characterised by having a very steep cliff.

<p>An eroded interlocking spur characterised by having a very steep cliff.</p>
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Glacial Trough

A U-shaped mountain valley that has been widened, deepened, and straightened by a glacier

<p>A U-shaped mountain valley that has been widened, deepened, and straightened by a glacier</p>
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Ribbon lake

A long, narrow lake in the bottom of a glacial trough

<p>A long, narrow lake in the bottom of a glacial trough</p>
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Hanging Valley

A valley left by a melted tributary glacier that enters a larger glacial valley above its base, high up on the valley wall.

<p>A valley left by a melted tributary glacier that enters a larger glacial valley above its base, high up on the valley wall.</p>
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Striations

Long parallel scars in rocks carved by rock fragments being dragged across them by a glacier.

<p>Long parallel scars in rocks carved by rock fragments being dragged across them by a glacier.</p>
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Roche Moutonnee

Rounded knob of rock produced by glacial erosion

<p>Rounded knob of rock produced by glacial erosion</p>
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Glacial deposition

When a glacier melts, it deposits the sediment it eroded from the land, creating various landforms.

<p>When a glacier melts, it deposits the sediment it eroded from the land, creating various landforms.</p>
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Erratic

A piece of rock that differs from the geology and size of rock native to the area in which it rests.

<p>A piece of rock that differs from the geology and size of rock native to the area in which it rests.</p>
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Drumlin

A long mound of till that is smoothed in the direction of the glacier's flow.

<p>A long mound of till that is smoothed in the direction of the glacier's flow.</p>
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Medial moraine

A moraine formed when two advancing valley glaciers come together to form a single ice stream, forms in the middle of the glacier.

<p>A moraine formed when two advancing valley glaciers come together to form a single ice stream, forms in the middle of the glacier.</p>
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Recessional moraine

Marks the pauses in the retreat of a glacier.

<p>Marks the pauses in the retreat of a glacier.</p>
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Lateral moraine

Moraine that forms along the side of a glacier

<p>Moraine that forms along the side of a glacier</p>
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Terminal moraine

A moraine deposited at the point of furthest advance of a glacier or ice sheet.

<p>A moraine deposited at the point of furthest advance of a glacier or ice sheet.</p>