What are dykes?(please give a simple and clean answer)
Answers
Explanation:
A dike or dyke, in geological usage, is a sheet of rock that is formed in a fracture of a pre-existing rock body. ... Magmatic dikes form when magma flows into a crack then solidifies as a sheet intrusion, either cutting across layers of rock or through a contiguous mass of rock.
Answer:
A dike is a barrier used to regulate or hold back water from a river, lake, or even the ocean. In geology, a dike is a large slab of rock that cuts through another type of rock. Geologic Dike. A geologic dike is a flat body of rock that cuts through another type of rock.Dikes can be either magmatic or sedimentary in origin. Magmatic dikes form when magma flows into a crack then solidifies as a sheet intrusion, either cutting across layers of rock or through a contiguous mass of rock. Clastic dikes are formed when sediment fills a pre-existing crack.