Where is limestone formed in the earths crust?

Answer 1

Limestone started as the shells of marine animals. It started at the floor of the ocean and, layer-upon-layer, the shells became compressed and cemented together to form the sedimentary rock.

Answer 2

Limestone is formed in the Earth's crust through the accumulation and compaction of the remains of marine organisms such as shells and coral over millions of years. It commonly forms in shallow, warm marine environments where these organisms thrive and contribute to the buildup of calcium carbonate deposits.

Answer 3

In marine places where there is clacite. This is because there is calcite in limestone rocks and there are sometimes seashell fossils.