The Pyramids of Euseigne are far, far older than the Pyramids of Giza – although, perhaps comparisons are a little unfair ...

The ridges are formed transverse to ice flow in a subglacial position and are usually found in the central portions of former ice sheets. Individual ridges are typically 10-30 m high, 300-1200 m long ...

Examples of till deposits include drumlins, moraines and erratics. Fluvio-glacial - layered or stratified materials deposited in layers by meltwater. When ice is melting, materials are sorted in ...