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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.
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Where are white cliffs located?
White cliffs can be found in various locations around the world, but some of the most well-known examples include the White Cliffs of Dover in England, the White Cliffs of Rügen in Germany, and the White Cliffs of Møn in Denmark.
How high are the white cliffs of dover?
The White Cliffs of Dover reach heights of up to 350 feet (110 meters) above sea level. They are an iconic landmark on the English coastline, known for their distinctive chalky white appearance.
Can you see the white cliffs of dover from France?
Yes, the White Cliffs of Dover can be seen from France on a clear day, particularly from the cliffs near Calais, which is approximately 21 miles away across the English Channel.
Are the white cliffs of dover sedimentary rocks?
Yes, the White Cliffs of Dover are predominantly made up of sedimentary rocks. These cliffs consist mainly of chalk, which is a soft, white, fine-grained limestone rock formed from the remains of marine organisms.
Which stone a form calcium carbonate are the white cliffs of dover made of?
Chalk
