in what two ways chalk limestone and coral reef limestone are different?
Answers
Answer:
Chalk Limestone
The White Cliffs of Dover is known for a limestone known with a chalky appearance. It is made up of small algae and those skeletons have been deposited over thousands of years. They then became mud chalk that formed the cliffs. The skeletons are small and can’t be seen without a microscope, but you might be able to find them if you look carefully. This isn’t the same kind of chalk that you use on blackboards, but it has a similar white appearance.
Coral Reef Limestone
Coral reefs bring a wide variety of limestone that are made from skeletons from invertebrae, or animals without backbones. Wind and weather erosion expose the coral reef, some of which was formed millions of years ago from fossils from land and sea creatures. There have also been tectonic uplifts along fault lines that thrust reefs up into mountains.
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