AQA GCSE Geography · 8035
Specification 3.1.3.4 · Paper 1
Revise: Glacial Deposition and Identification of LandformsAn erratic is a rock transported by a glacier and deposited where the local bedrock is a different rock type. Size alone does not identify an erratic: a small rock can be an erratic, while a huge boulder matching the local geology may not be one.