Rozel Conglomerate

The Rozel Conglomerate Formation can be seen along the northeast of the Island and is made up of beds of pebbles which have been cemented together.

These rocks were formed around 400 million years ago and are the youngest hard rock formation in Jersey. Conglomerate is also known as ‘pudding stone’ because the rock formation is made up of lots of pebbles, probably from eroded and worn mountains. Streams with fast flowing water carried the pebbles and sand down valleys and left them behind before they cemented together.