![White Cliffs of Dover: Thousands of tons of chalk crash into the sea as large section collapses | Daily Mail Online White Cliffs of Dover: Thousands of tons of chalk crash into the sea as large section collapses | Daily Mail Online](https://i.dailymail.co.uk/i/pix/2012/03/14/article-2114912-122B6689000005DC-406_964x480.jpg)
White Cliffs of Dover: Thousands of tons of chalk crash into the sea as large section collapses | Daily Mail Online
![If you put chalk under a powerful microscope—white cliffs of Dover type chalk, not the modern blackboard variety—you will see something like this Because it's not just a rock. It's an accumulation If you put chalk under a powerful microscope—white cliffs of Dover type chalk, not the modern blackboard variety—you will see something like this Because it's not just a rock. It's an accumulation](https://preview.redd.it/hqcplrau7jc11.jpg?auto=webp&s=c8869075e246385d04c0e32ac122b12997ac4bc2)
If you put chalk under a powerful microscope—white cliffs of Dover type chalk, not the modern blackboard variety—you will see something like this Because it's not just a rock. It's an accumulation
![White Cliffs of Dover: a walk through the country's past and present | Walking holidays | The Guardian White Cliffs of Dover: a walk through the country's past and present | Walking holidays | The Guardian](https://i.guim.co.uk/img/media/88c00bd7340e480b20f54b21acc52c5fcdaa174d/0_187_5616_3370/5616.jpg?width=1200&height=630&quality=85&auto=format&fit=crop&overlay-align=bottom%2Cleft&overlay-width=100p&overlay-base64=L2ltZy9zdGF0aWMvb3ZlcmxheXMvdG8tZGVmYXVsdC5wbmc&s=29b82e093715cb843ec57b849cb6870a)
White Cliffs of Dover: a walk through the country's past and present | Walking holidays | The Guardian
![The White Cliffs of Dover connected Britain to France before global warming caused "megaflood" and created English Channel - Mirror Online The White Cliffs of Dover connected Britain to France before global warming caused "megaflood" and created English Channel - Mirror Online](https://i2-prod.mirror.co.uk/incoming/article10156409.ece/ALTERNATES/s615b/EU-Referendum-The-White-Cliffs-Of-Dover.jpg)