Sandstone can be described as a kind of sedimentary rock that is formed under the river, lakes, and oceans. In other words, sandstone is formed usually forms on buried or laid down sands. this usually happens offshore from river deltas, desert dunes, and beaches. can be found in sandstone, although the energetic environments where sand beds form doesn’t always favor preservation.
Due to a deeply buried process, the pressure from high temperature causes the materials dissolved and become mobile. These grains will finally bound together and sediment become smaller. when material moves into the sediment, as the result of dissolved materials some fluid is made. That fluid moves the materials forwards. Due to oxidation, the color changes to darker and grey ones.
In terms of composed mineral particles, Sandstone is very like the quartz. In ancient times, it is usually used for building facing and paving. Sandstone as a perfect material for buildings and exterior. Because of the resistance to Weather, sandstone is a good option to be used for the exteriors like paving, building facing, interior walls, garden benches, patio tables and also swimming pool edges.
Some Examples of Sandstone Architecture
Sandstone has good characteristics that make it a perfect choice for the architecture to use in their projects. Among all, natural strength, durability and split resistant properties are some to mention. A very good example of sandstone is The White House of the United States. Two kinds of materials can be seen in sediment particles of sandstone: matrix and cement. Matrix can be defined as the fine-grained stuff in the sediment along with the sand while it is the cement that binds the sediment into rock.
Depending on the percent of sandstone, sandstone can be divided into two groups. Those sandstones with hight percent of rock are called wacke or wacky (dirty). That sandstone with a lot of matrices is called poorly sorted. Those sandstones with a little matrix are called well-sorted. Also, this well-sorted sandstone with little cement is called arenites (or clean). Moreover, a sandstone with at least 25 percent feldspar is called arkose. Also, a sandstone formed of volcanic particles is called tuff.
It is clear that the particle size in sandstone can define the quality of the stone. On the other hand, minerals play a great role to define the quality of sandstone. The sandstone cam has different colors. The color highly depends on the mix of matrix and cement and its color can range from nearly white to nearly black, with gray, brown, red, pink and buff in between.
Minerals of Sandstone
What can help to distinguish sandstone from limestone is partially related to minerals. Rocks made of carbonate minerals can be defined as limestone and have their own classification. It can say sandstone is a silicate-rich rock. The difference between limestone and sandstone is that limestone is formed in clean ocean water while sandstone is formed from sediment eroded off the continents.
Radsamstone & Sandstone
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