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It is called a glacial erratic.
Alpine Glacier produce a variety of erosional features. These features are usually rounded or polished grooves made by the glacier's passing. The features are called arete, Circque, horn, tarn, u shaped valley, and hanging valleys.
Glacial drift is the term for all sediments of glacier origin.
A glacial erratic is a rock of any size that is released from a melting glacier. A glacial erratic can be identified because it differs from the rocks in its surrounding area.
The process by which a glacier loosens and moves rock is called glacial erosion. It occurs when the glacier's immense weight and movement cause it to pick up and carry rock fragments. As the glacier moves, these rocks scrape and grind against the underlying surface, gradually wearing it down and forming characteristic features like U-shaped valleys and striations on bedrock.
They are called hanging valleys. The smaller glacier valleys are the hanging walls that join the deeper main valley called the U-shaped valley.
It is called a glacial erratic.
Ridges of rock debris that form in front of a glacier are called terminal moraines at the point that the glacier stops moving ahead.
Glacial drift.
Glacial plucking.
Ridges are long narrow hilltops or mountain ranges. The landform between ridges are called valleys, which are typically low areas with a river or stream flowing through them.A valley that is surrounded by mountains or ridges is called a hollow. In rural areas they are call hollers.
Alpine Glacier produce a variety of erosional features. These features are usually rounded or polished grooves made by the glacier's passing. The features are called arete, Circque, horn, tarn, u shaped valley, and hanging valleys.
Glacial drift is the term for all sediments of glacier origin.
A mountain ridge that separates the heads of opposing glacial valleys is called an arete. It is a narrow and sharp ridge formed by the erosive action of glaciers on both sides.
They are called oceanic trenches.
Sediments directly deposited by the glacier are called till.
It's called the Jökulhlaups. Jökulhlaups is the Icelandic word for "glacial run".