Glacial erosion is indicted by the following features:-

(i) Striated, polished and grooved bedrock surfaces.

(ii) Presence of unweathered bedrock material.

(iii) U-shaped valleys.

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(iv) Hanging Valleys.

(iv) Cirque.

(v) Unsorted and facetted rock fragements.

(vi) Presence of erosional features like roches mountonnees, crags and tails etc.

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(vii) Presence of depositional features like moraines, drumlins, eskers, kames, kettles etc.