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- Lastly, the process ends by which clay, sand, and other sediments on the ocean's or other bodies of water's bottom are gradually compressed into rocks by the weight of overlying sediments.
- They can also form when the rock is composed of rough minerals, in which individual crystals no longer align since they are no longer in any particular dimension.
- Non-foliated rocks are formed as a result of contact metamorphism. Contact metamorphism is when rock structure and minerals change as a result of contact with magma. Non-foliated rocks form when pressure remains constant or is relatively low near the surface.
- APPLICATION:Examples of non foliated rocks include quartzite and marble. Today, Marble is frequently utilised in the production of floor tiles, columns, and sculptures.
- APPLICATION:Today, Gneiss has several use as a building material, including flooring, decorative stones, gravestones, building facing stones, and work surfaces.
- Foliated rocks are formed when pressure causes flat or elongated minerals inside a rock to align. These rocks form a sheet-like structure that reflects the direction the pressure was put.Examples of foliated metamorphic rocks include phyllite and gneiss.
- Foliated metamorphic rocks are often formed as a result of regional metamorphism that occurs within the core of a folded mountain range. They are categorised based on the size of the main mineral grains.
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