What is the difference between limestone and chalk

Science News Features. Interviews Answers to Science Questions. Pages: [ 1 ] Go Down. What is the difference between chalk, limestone and marble? Chalk, limestone and marble are all examples of calcium carbonate aren't they? So what is the distinction between them?

They differ from each other according to the formation, appearance and composition as well. There are many uses of limestone. It is common in architecture; there are many landmarks that were made from this rock. Ex: The Great Pyramid. Moreover, it is the major ingredient in making quicklime, slaked lime, cement, etc.

Apart from that, we can use this mineral as a soil conditioner to neutralize acidic soils. Therefore, it is also a sedimentary carbonate rock. This type of rocks forms under deep marine conditions, from the accumulation of calcite shells. These calcite shells come from the microorganism coccolithophores. Moreover, chalk has a common type of embedded nodules or as bands named Flint. Chalk has many favorable properties.

For example, it has a great resistance to weathering, slumping than the associated clays. Therefore, this mineral forms tall, steep cliffs. We can mine chalk from chalk deposits. Based in San Diego, John Brennan has been writing about science and the environment since Home - Maintenance Chalk vs.

By John Brennan Updated September 26, Limestone; Mike Strickler. What Is the Appearance of Limestone? How to Remove Paint From Limestone. Copyright Leaf Group Ltd.

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