How does sedimentary rock form?

Question

Maya Adams · Accepted Answer

Sedimentary rocks form when sediments solidify and become rocks.

When calcium carbonate from seashells is combined with sand, it forms sandstone, which is then combined with more calcium carbonate to create concrete. Mud, silt, and organic material are examples of other sediments that can be compressed and undergo a chemical process that is comparable to that of calcium carbonate to become rock. The question from modern plate tectonics is how the deep ocean sediments end up on the tops of mountains and on the continental crust. Plate tectonics states that the oceanic plates are pushed under the continental crusts in subduction zones, where the sediments are changed into metamorphic rocks and melted into igneous rocks. The sediments settle down to the bottom of the oceans, where they can be turned into sedimentary rocks. Visit https://tutor.hix.ai to learn more.