Great idea but just found this. “The main rock in South East England’s coastline is chalk. Chalk cannot be broken down into sand. The pebbles on Brighton’s Beach are mainly composed of flint. (Yes, the kind of flint that you can strike to make a fire). Flint’s a very useful substance in developing societies even if it doesn’t erode well into sand.” Oh well…

Does Brighton in England have a Sandy Beach? | Jolly Explorer

Link: https://jollyexplorer.com/does-b

When people hear that Brighton is a seaside resort town, the first questions they have are about the beach. Was Brighton Beach ever Sandy? You’d…