Sedimentary Rocks are basically a type of rocks. These rocks are formed by deposition and consolidation of minerals and organic materials. Sedimentary rocks cover around 75-80% of the land area of the earth. The most common types of sedimentary rocks are lime stones, chalk, sandstone, breccia etc.
Following are the properties of Sedimentary Rocks:
- These rocks are formed by overburden pressure of air, ice, wind, gravity, water etc.
- These rocks are laid down in the form of layers called beds or strata.
- These rocks contain important information about the history of the Earth.
- Most of these rocks contain fossils of plants and animals.
- The difference between the successive layers of Sedimentary rocks indicate the changes in environment that occurred over time.
- These rocks cover most of the Earth's crust and surface.