sedimenttikiven
Sedimenttikivi is the Finnish term for sedimentary rock. Sedimentary rocks are a major class of rock types that, along with igneous and metamorphic rocks, make up the Earth's crust. They are formed from the accumulation or deposition of mineral or organic particles at the Earth's surface, followed by cementation.
These particles, called sediment, are derived from the weathering and erosion of pre-existing rocks, or from
Common types of sedimentary rocks include sandstone, shale, and limestone. Sandstone is formed from sand-sized grains,