Rocks are structures that have completed their formation process for hundreds of millions of years. Rocks are mineral assemblages; They are formed by the combination of minerals or rock fragments. Rocks are divided into three main groups according to their formation conditions and origins: igneous, metamorphic, and sedimentary.

Sedimentary Rocks
Sedimentary rocks are a type of rock formed by water-soluble minerals for hundreds of millions of years. Extremely durable, hard and colored stones are used in large commercial projects around the world. It consists mainly of calcium carbonate. It is formed by the evaporation of water and the separation of calcium carbonate from the water by precipitation. This type of rock is often used as a decorative building block. Marbles, travertines, limestones, and onyx are included in this group of rocks.

Metamorphic Rocks
They are rocks formed by the recrystallization of minerals by changing under the influence of pressure and temperature. Although the formation was the same as the sedimentary rocks at the beginning, they have passed through a second formation phase with the process they have undergone, and have reached their present state. Crystalline marbles are included in this group of rocks and have a wide color range.


Magmatic Rocks
Magmatic rocks are formed as a result of the cooling and solidification of magma or lava. It is divided into three main groups, the products obtained from these types of rock are durable and highly resistant to abrasion and scratching. It can be especially preferred in places with heavy crowds.

• Plutonic Rocks (Depth Rocks)
  If the cooling and solidification of magma occur at depths, the resulting rocks are called plutonic rocks (Example: Granite).
• Volcanic Rocks (Surface Rocks)
  If the cooling and solidification of magma occur at the surface, the resulting rocks are called igneous rocks. (Example: Basalt).
• Vein Rocks (Half Depth Rocks)
  Rocks formed by the cooling of magma near the earth’s surface as it rises from the depths of the earth are called semi-depth rocks. (Example: Diabase).