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Formation of Siltstone

Types of Hard Rocks

Novaculite
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Formation of Siltstone

Formation
Siltstone is a type of sedimentary rock which is formed from fine rock particles. As the particles of eroded rock travel along with water, the edges of the rock are worn-out by water into a rounded shape.

Composition

Mineral Content
Calcite, Clay, Clay Minerals, Feldspar, Micas, Quartz, Sand, Silica, Silt
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Compound Content
Aluminium Oxide, CaO, Iron(III) Oxide, Potassium Oxide, MgO, Sodium Oxide, Silicon Dioxide
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Transformation

Metamorphism

Types of Metamorphism
Not Applicable

Weathering

Types of Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering

Erosion

Types of Erosion
Chemical Erosion, Coastal Erosion, Glacier Erosion

Siltstone Formation

Siltstone formation took place millions of years ago. There are a variety of Siltstone Uses and the Siltstone Reserves are found in many countries around the world. The rocks in the earth’s crust continuously undergo changes in their composition which leads to formation of other rocks. Each rock has a unique formation process. Formation of Siltstone is explained below:

  • Siltstone is a type of sedimentary rock which is formed from fine rock particles. As the particles of eroded rock travel along with water, the edges of the rock are worn-out by water into a rounded shape.

Along with Siltstone Formation, also learn about Siltstone composition and transformation in the next section.

Siltstone Composition

Every rock is composed of one or more minerals. Siltstone composition which can be further divided into mineral and compound content. The Siltstone mineral content includes Calcite, Clay, Clay Minerals, Feldspar, Micas, Quartz, Sand, Silica, Silt. Its compound content includes Aluminium Oxide, CaO, Iron(III) Oxide, Potassium Oxide, MgO, Sodium Oxide, Silicon Dioxide. You can also check out Properties of Siltstone.

Transformation of Siltstone

Every rock on earth undergoes transformation process. Siltstone is a type of Sedimentary Rocks. Transformation of Siltstone takes place in three steps- Metamorphism, Weathering and Erosion.

  • Metamorphism of Siltstone:- Metamorphism is change in arrangement of minerals and texture in the pre-existing rocks. Siltstone rock does not undergo metamorphism. Unlike in formation of Siltstone, the rock does not melt into liquid magma.
  • Weathering of Siltstone:- The breaking down of rocks when they come in contact with the Earth's atmosphere, ecology and water is called as weathering. Talking about weathering of Siltstone, this rock undergoes weathering. Weathering of Igneous rocks leads to formation of Sedimentary rocks. Weathering is further classified as chemical and mechanical weathering. Siltstone undergoes biological weathering, chemical weathering and mechanical weathering.
  • Siltstone Erosion:- After formation of Siltstone, let’s move on to Siltstone Erosion. The weathered small fragments of rock are carried from one place to other by a process called erosion. Siltstone rock undergoes Erosion. Erosion is one of the important aspects in the life cycle of a rock. Siltstone undergoes chemical erosion, coastal erosion and glacier erosion.