Because they are made from chalk (calcium carbonate) which is a white material.
The truth is that they are really not that white. If you looked closely you would find that some parts are absolutely full of plant growth and flint.
The effect that causes them to be "so white" also has to do with reflection of light.
The calcium carbonate form coccolith structures that can reflect light. The (south-)western orientation of the cliffs in combination with the rising sun generate the reflection and "light up" the cliffs.
The cliff face, which reaches up to 350 feet high, owes its striking façade to its composition of chalk (pure white calcium carbonate) accentuated by streaks of black flint.
They are mad of chalk, or the shells of microorganisms that lived in shallow seas millions of years ago.
The White cliffs of Dover reach up to approx. 350 ft or 108 meters.
The White Cliffs of Dover are along the coast by the Town of Dover in East Kent, England.
Chalk.
Yes, Chalk
Chalk
The white cliffs of Dover are so named because they are made of chalk.
They are famous for being white cliffs.
No, they are chalk cliffs and naturally white.
Check out the White Cliffs of Dover.
The chalk cliffs at Dover.
The White Cliffs of Dover are located in Southeast England, along the coastline facing France and the Strait of Dover. They're white because of the chalk in the sediments that formed them.
The White cliffs of Dover reach up to approx. 350 ft or 108 meters.
The White Cliffs of Dover face reaches up to 350 feet (110 m).
The white cliffs of Dover are composed of chalk.
The Cliffs of Dover have appeared in hundreds of films.
The White Cliffs of Dover are cliffs forming part of the English coastline. The cliffs reach up to 300 feet in height and stretch for 10 miles to the east and west of Dover.
- There'll Be Bluebirds Over - The White Cliffs of Dover was created in 1941.