These sediments were more likely to be formed as a result of depositional activites of the periglacial process.
Explanation:
The mountain in the polar region is affected by the erosional as well as depositional activities of the periglacial process. The movement of ice in the form of glaciers is the main cause of all activities in the periglacial (polar) regions.
Glaciers move on the surface and carry with themselves huge assortments of sediments. During this process, they create several erosional as well as depositional landforms too. Some of such landforms created due to the glacial actions are Cirques, Horns, Fjords etc.
The sediment likely produced in the cold regions due to depositional process of ice or water.
Depositional landforms are the evidence of processes that is responsible for the deposition of sediments or rocks after they were transported in that region through different sources such as flowing water, ice, wind or gravity.
Examples of depositional landforms are beaches, deltas, glacial moraines, sand dunes and salt domes so we can say that sediments are produced due to the depositional process done by ice and water.
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