Concept explainers
How are the most carbonates rocks formed?
The formation of carbonates rocks.
Answer to Problem 17TE
Carbonate rocks are formed by inorganic precipitation or due to biological activity.
Explanation of Solution
Carbonate rocks can be composed in two ways, one is inorganic precipitation and another one is biological activity. A carbonate rock is formed by inorganic precipitation when the water is carrying calcium carbonate precipitate. Travertine rock is an example of rock from by such precipitation. Carbonate rocks can be formed by biological activity in narrow, still and warm ocean water.
In such conditions, when the organisms present in the water die, their shell and skeletal deposits as sediment that can be transformed into carbonate rock. The waste from these organisms also adds up to the sediment mass. These organic sedimentary rocks are carbonate rocks. An example of such rocks is limestone.
Conclusion:
Therefore, carbonate rocks are formed by inorganic precipitation or due to biological activity.
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