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A Pyramidal Peak is a mountaintop that has
been modified by the action of ice during
glaciation and frost weathering.
A Pyramidal Peak is formed when snow
collects in hollows high in the mountains.
The snow compacts to form ice and the
weight of ice causes the ice to move,
helped by melting water underneath. The
ice has a rotational movement towards lip of
the hollow
and plucking and abrasion by the ice
deepens the hollow producing a steep
After the ice has melted, a corrie loch may
form and three corries form around the
The Matterhorn in Zermatt
mountaintop. Aréte ridges form between the
corries leading up to the top of the
Pyramidal Peak.…read more

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Glacial environment…read more

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