in what two ways chalk limestone and coral reef limestone are different?
Answers
Answer:
Sandstone and limestone are common rocks found throughout the world. They create some of the dramatic landscapes you can find across the U.S. As sedimentary rocks, they share certain similarities. However, their different origins and compositions make them unique.
Explanation:
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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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