All About Sedimentary Rocks (below) !
Sedimentary Rocks
Sedimentary Rocks are formed when pieces of rock called sediment are pressed and cemented together.
Sedimentary Rocks
Some common uses for igneous rocks are cleaning, making statues, polishing, starting veggie seeds, building construction such as kitchen counter tops, paving streets, also walls and floors and building public places. Also, pumice is used to wash our hands and obsidian rocks are used for windows.
Breccia
Rock fragments with sharp edges form breccia embedded in a fine-grained matrix.
Sandstone
Many small holes allow sandstone to absorb water.
Words To Know
Clastic Rocks-
Clastic Rocks- Is a rock that forms when rock pieces are squeezed together.
Cementation-
Cementation- A process in which dissolved minerals crystallize and glue pieces of sediment together
Sediment-
Sediment- Small, solid pieces of material that come from rocks or living things.
Chemical Rocks-
Chemical Rocks- Minerals are dissolved in a solution that is crystallized.
Organic Rocks-
Organic Rocks- This forms where the remains of plants and animals are deposited in thick layers.
Compaction-
Compaction- Presses sediments together.
Deposition-
Deposition- Sediment settles out of water or wind.
Erosion-
Erosion- Running water,wind, or ice loosen and carry away pieces of rock.