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Formation of Limestone and Comendite


Formation of Comendite and Limestone


Formation

Formation
Limestone is a sedimentary rock which is mainly made up of calcium carbonate.  
Comendite is a type of Igneous rock which is formed due to cooling and solidification of lava or magma. It may form with or without crystallization, either below the surface as intrusive rocks or on the surface as extrusive rocks.  

Composition
  
  

Mineral Content
Calcite, Chert, Clay, Dolomite, Quartz, Sand, Silt  
Albite, Amphibole, Quartz  

Compound Content
Aluminium Oxide, NaCl, CaO, Iron(III) Oxide, FeO, MgO  
Al, Fe, Potassium Oxide  

Transformation
  
  

Metamorphism
No  
Yes  

Types of Metamorphism
-  
Cataclastic Metamorphism, Regional Metamorphism  

Weathering
Yes  
Yes  

Types of Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering  
Biological Weathering, Chemical Weathering, Mechanical Weathering  

Erosion
Yes  
Yes  

Types of Erosion
Chemical Erosion, Coastal Erosion  
Coastal Erosion, Water Erosion  

Properties >>
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Limestone and Comendite Formation

Formation of rocks is a long process and hence, Limestone and Comendite formation sounds very interesting. According to the formation, all rocks are divided into :Igneous Rocks, Sedimentary Rocks and Metamorphic Rocks. Igneous rocks form by crystallization of magma or lava. The magma is made up of various components of pre-existing rocks which have been subjected to melting either at subduction zones or within the Earth's mantle. Igneous rocks are generally seen at mid ocean ridges or in intra-plate hotspots. Sedimentary rocks are formed when sediments accumulate gradually. As the sediments are buried they get compacted as more and more material is deposited on top. Eventually the sediments become so dense that they form a rock. Metamorphic rocks are rocks which once existed as igneous or sedimentary rocks but have been subjected to varying degrees of pressure and heat within the Earth's crust. Get to know all about formation of Limestone and Comendite, composition of Limestone and Comendite and their transformation.

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