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A moraine is a landform created by deposition, not erosion. It forms when a glacier deposits rocks, soil, and other materials it carries as it moves and melts. This material accumulates at the glacier's edges and forms a ridge or mound.
Medial moraine forms through the accumulation of rocky debris carried and deposited by glaciers as they flow down valleys. Therefore, medial moraine is a result of deposition, not erosion.
Moraine is created by deposition. It forms when glaciers transport rocks and sediments as they move, then deposit these materials at the glacier's edge as it melts or retreats.
Moraine erosion refers to the process of sediment and debris being removed or worn away from a moraine, typically by water, ice, or gravity. Moraine deposition, on the other hand, is when sediment and debris carried by ice or water is deposited by a melting glacier, forming a new moraine or landform.
A medial moraine is formed by deposition. It is a ridge of glacial debris that runs down the center of a glacier where two tributary glaciers merge. The debris is deposited as these glaciers flow and carry rock material with them, which accumulates in the center of the combined glacier.
A kettle is a result of deposition. It is formed when a block of ice from a retreating glacier becomes buried in sediment, then melts, leaving a depression that fills with water.